Term
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Definition
| The study of relationships among organisms of different species, in which one organism lives in or on another organism |
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Term
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Definition
| The relationship between the parasite and the host |
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Term
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Definition
| Both parasite and host benefit |
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Term
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Definition
| Parasite benefits, host is unaffected |
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Term
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Definition
| Both parasite and host are unaffected |
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Term
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Definition
| Parasite benefits at the expense of the host |
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Term
Name the type of relationship associated with the following:
Intestinal flagella & Termite |
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Definition
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Term
Name the type of relationship associated with the following:
E. coli & Human |
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Definition
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Term
Name the type of relationship associated with the following:
Giardia intestinalis & Human |
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Definition
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Term
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Definition
| Found within the host's tissues or cells |
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Term
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Definition
| Found on the host's surface - skin or outer mucosal area |
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Term
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Definition
| Parasite may exist as free-living organism or parasite (opportunistic) |
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Term
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Definition
| Must spend part of all of its life cycle in or on a host |
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Term
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Definition
| Parasite normally lives in or on a host other than humans but can infect humans accidentally |
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Term
What type of parasite is the following considered?
Plasmodium Species |
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Definition
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Term
What type of parasite is the following considered?
Scabies mites |
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Definition
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Term
What type of parasite is the following considered?
Strongyloides stercoralis |
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Definition
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Term
What type of parasite is the following considered?
Trichinella spiralis |
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Definition
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Term
What type of parasite is the following considered?
Hookworm |
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Definition
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Term
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Definition
Disease involving a parasite that has accidentally infected a human;
normal host for parasite is an animal |
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Term
The following is a type of __________:
Trichinellosis |
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Definition
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Term
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Definition
| Harbors parasite during larval or asexual stage |
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Term
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Definition
| Harbors parasite during adult or sexual stage |
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Term
| Transport (Paratenic) Host |
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Definition
| Supplies nourishment to the parasite, but is not essential in parasite's life cycle; host serves as a carrier |
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Term
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Definition
| An animal that is infected with a parasite with no ill effects, but can spread the parasite to humans |
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Term
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Definition
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Term
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Definition
| Accidental or non-essential transmission |
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Term
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Definition
| Essential for life cycle of parasite; required for development or reproduction |
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Term
Which type of host is the following?
Dog roundworm ingested by humans; the larvae can hatch, survive, and migrate in the human body |
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Definition
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Term
Which type of host is the following?
Beavers are a definitive host for Giardia intestinalis, as well as humans. Beavers cause an infestation within a water source and spread it to humans who drink the water |
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Definition
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Term
Which type of host is the following?
Fly transferring an amoeba from feces to a countertop |
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Definition
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Term
Which type of host is the following?
Plasmodium species and Mosquito |
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Definition
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Term
Which type of host is the following?
Pig ingests tapeworm egg; egg hatches; larva migrates to muscle tissue where it forms a cyst |
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Definition
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Term
Which type of host is the following?
Human ingests undercooked pork; larva leaves cyst and matures into adult tapeworm; begins reproductive cycle in human |
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Definition
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Term
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Definition
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Term
The following are all ____ ____:
Direct contact or contact with infected host
Air
Food or water
Soil
Fomite |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Protozoa = _____, ______, ______ |
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Definition
Unicellular
Eukaryotic
Microorganisms |
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Term
Organelles for movement:
Amoebae |
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Definition
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Term
Organelles for movement:
Ciliates |
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Definition
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Term
Organelles for movement:
Flagellates |
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Definition
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Term
Organelles for movement:
Sporozoa |
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Definition
| No organelles for movement |
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Term
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Definition
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Term
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Definition
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Term
| Fleas & Lice are two examples of what type of Organism? |
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Definition
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Term
| Ticks & Mites are two examples of what type of Organism? |
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Definition
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Term
| Most insects and all arachnids develop through a process called ______ |
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Definition
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Term
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Definition
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Term
| Encysted resting stage (cocoon) |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Nymphs go through _______ aka molting stages |
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Definition
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Term
| After each molting phase, the new nymph form is known as an |
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Definition
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Term
| Passive transfer of infective organisms |
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Definition
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Term
| Arthropod required for the development of the parasite |
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Definition
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Term
What is the following an Example of:
Feces --> cooking utensils
Contaminated Soil ---> food |
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Definition
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Term
What is the following an Example of:
Organism directly infected into new host from bite wound
Organism deposited on new host's skin |
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Definition
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Term
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Definition
| Condition caused by the infestation of fly larvae within the host's tissues |
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Term
| What are the body segments of the Insect |
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Definition
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Term
| How many pairs of antennae do Insects have? |
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Definition
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Term
| How pairs of legs do Insects have? |
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Definition
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Term
| Do Insects usually have wings? |
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Definition
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Term
| The Anopheles mosquito is tied to which disease? |
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Definition
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Term
| The Genus Glossina (tsetse fly) is tied to which disease? |
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Definition
| African sleeping sickness |
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Term
| What type of Life Cycle do Pediculus humanus capitis and Pediculus humanus corporis go through? |
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Definition
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Term
| What is the method of infection for Pediculus humanus capitis and Pediculus humanus corporis? |
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Definition
| Person to person transmission |
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Term
| What is the method of diagnosis for Pediculus humanus capitis and Pediculus humanus corporis? |
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Definition
| Identify nits/adults on hair shafts |
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Term
| Symptoms from Pediculus humanus capitis and Pediculus humanus corporis? |
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Definition
| Intense pruritis (itching) |
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Term
| Life cycle of Phthirus pubis? |
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Definition
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Term
| Method of infection - Phthirus pubis |
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Definition
| Usually sexual contact or close contact |
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Term
| Method of Diagnosis - Phthirus pubis |
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Definition
| Identify nits/adults on genital hair shaft |
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Term
| Symptoms associated with Phthirus pubis? |
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Definition
| Intense pruritis (itching) |
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Term
Common Name of:
Pediculus humanus capitis |
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Definition
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Term
Common Name of:
Pediculus humanus corporis |
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Definition
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Term
Common Name of:
Phthirus pubis |
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Definition
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Term
Common Name of:
Pulex irritans |
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Definition
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Term
Which insect(s) can transmit the follow diseases?
Murine Typhus and Bubonic Plague |
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Definition
Pulex irritans
Xenopsylla cheopis |
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Term
Common Name of:
Xenopsylla cheopis |
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Definition
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Term
Common Name of:
Cimex lectularius |
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Definition
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Term
| Cimex lectularius is attracted to host by what? |
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Definition
| Carbon Dioxide production and heat |
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Term
| Arachnids have how many body segments? |
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Definition
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Term
| What are the body segments of the Arachnid called? |
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Definition
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Term
| How many legs do Arachnids have? |
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Definition
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Term
| How many pairs of legs do Arachnids have? |
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Definition
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Term
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Definition
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Term
Common Name of:
Genus Dermacentor |
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Definition
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Term
| In the United States, ______ transmit more vector-borne diseases than any other arthropod |
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Definition
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Term
| Toxin from tick saliva = _____ ____ |
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Definition
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Term
| What does Tick Paralysis cause? |
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Definition
| Respiratory failure and death |
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Term
| Ticks are attracted to their host by what? |
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Definition
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Term
The following Diseases are associated with which Arachnid?
Rocky Mountain Spotted Fever
Lyme Disease
Tularemia
Babesia |
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Definition
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Term
Common Name of:
Sarcoptes scabiei |
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Definition
| Human Scabies OR Itch Mite |
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Term
| Method of Infection - Sarcoptes scabiei: |
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Definition
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Term
| Method of Diagnosis - Sarcoptes scabiei: |
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Definition
| Identify nits/adults from skin scraping of burrow site |
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Term
| Symptoms associated with Sarcoptes scabiei: |
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Definition
| Intense pruritis (Severe itching) |
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Term
Common Name of:
Loxosceles reculsa |
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Definition
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Term
| Characteristic fiddle-shaped marking on back is associated with which Arachnid? |
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Definition
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Term
| Symptoms/Diseases associated with Loxosceles reclusa are: |
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Definition
Necrotizing skin lesions
hemolytic anemia
jaundice
death |
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Term
Common Name of:
Latrodectus mactans |
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Definition
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Term
| Sleek black body with characteristic red hourglass on abdomen |
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Definition
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Term
| Symptoms/Diseases associated with Latrodectus mactans: |
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Definition
| convulsions, shock, delirium, reduced heartbeat, death |
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Term
| What type of toxin does the Latrodectus mactans have? |
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Definition
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Term
| What is the mouth of the nematode called? |
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Definition
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Term
| What is the exterior of the nematode called? |
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Definition
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Term
| How do nematodes reproduce? |
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Definition
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Term
| Do Nematodes have separate sexes? |
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Definition
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Term
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Definition
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Term
Which stage of nematode development does the following describe?
Resistant & Transmissible |
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Definition
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Term
Which stage of nematode development does the following describe?
Feeding and growth stage, may be transmissible |
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Definition
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Term
Which stage of nematode development does the following describe?
Reproductive stage & causes pathogenesis |
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Definition
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Term
| Stage when parasite is infective to humans |
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Definition
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Term
| The means by which a human host becomes infected |
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Definition
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Term
| Stage in the parasite's life when it can be identified for diagnosis |
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Definition
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Term
| The method used to identify the parasite |
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Definition
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Term
The following are all examples of what?:
Penetration of skin
Ingestion of ova
Vector transmission |
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Definition
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Term
The following are all examples of what?:
Identify ova or larva in stool
Examination of blood smears
Serology testing |
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Definition
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Term
Common Name of:
Enterobius vermicularis |
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Definition
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Term
| Most common helminth infection in the United States |
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Definition
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Term
Ova Morphology:
Jelly bean or C shaped
Colorless, thin outer shell |
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Definition
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Term
| Method of Infection - Enterobius vermicularis |
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Definition
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Term
| How can auto-reinfection occur with Enterobius vermicularis? |
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Definition
| Itching anal region followed by: Hand to mouth transfer |
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Term
| Method of Diagnosis - Enterobius vermicularis |
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Definition
| Examine for embryonated ova or larva on the perianal region |
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Term
| Which Nematode would you perform the Cellophane Tape preparation for? |
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Definition
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Term
| Infective stage of Enterobius vermicularis |
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Definition
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Term
| Diagnostic stage of Enterobius vermicularis |
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Definition
| Eggs on perianal folds; larvae inside the eggs mature within 4-6 hours |
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Term
| Disease/Symptoms associated with Enterobius vermicularis? |
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Definition
| Intense pruritis ani (anal itching) |
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Term
Common Name of:
Trichuris trichiura |
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Definition
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Term
| 3rd Most common helminth infection in the United States |
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Definition
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Term
Ova Morphology:
Barrel shaped
Polar plugs
Double Wall |
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Definition
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Term
| Infective Stage - Trichuris trichiura |
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Definition
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Term
| Diagnostic Stage - Trichuris trichiura |
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Definition
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Term
| Method of Infection - Trichuris trichiura |
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Definition
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Term
| Method of Diagnosis - Trichuris trichiura |
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Definition
| Identify unembryonated ova in stool |
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Term
| Disease/Symptoms associated with Trichuris trichiura |
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Definition
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Term
Common name of:
Ascaris lumbricoides |
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Definition
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Term
| Largest adult intestinal nematode |
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Definition
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Term
| Most common parasitic infection worldwide |
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Definition
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Term
| 2nd most common helminth infection in the United States |
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Definition
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Term
Morphology of Ova:
Round
Thick outer shell
Inner translucent layer
Outer mammilated layer
- Outer layer may be decorticated |
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Definition
| Fertilized Ascaris lumbricoides |
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Term
Morphology of ova:
Elongated
Inner globular material
Thin Outer shell
Outer mammilated layer |
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Definition
| Infertile Ascaris lumbricoides |
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Term
| Disease/Symptoms associated with Ascaris lumbricoides |
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Definition
Bowel obstruction
Distended abdomen
Pneumonial/Asthmatic reactions
Outward migration through nasal, anal, or oral passages |
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Term
| Method of Infection - Ascaris lumbricoides |
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Definition
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Term
| Method of Diagnosis - Ascaris lumbricoides |
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Definition
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Term
| Infective stage - Ascaris lumbricoides |
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Definition
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Term
| Diagnostic stage - Ascaris lumbricoides |
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Definition
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Term
Common Name of:
Ancylostoma duodenale |
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Definition
|
|
Term
Common Name of:
Necator americanus |
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Definition
|
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Term
Ova Morphology:
Oval shaped
colorless
Thin, smooth outer shell
Multi-segmented embryo |
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Definition
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Term
| Which nematode goes through the Liver-Lung Migration? |
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Definition
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Term
| Which nematode goes through the Lung-Heart Migration? |
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Definition
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Term
|
Definition
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Term
|
Definition
|
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Term
| Infective Stage - Hookworm |
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Definition
|
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Term
| Diagnostic Stage - Hookworm |
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Definition
|
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Term
| Method of Infection - Hookworm |
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Definition
| Filariform larva penetrates the skin |
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Term
| Method of Diagnosis - Hookworm |
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Definition
|
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Term
| Diseases/Symptoms associated with Hookworm: |
|
Definition
Anemia with Eosinophilia
Ground itch - site of penetration
Cutaneous Larval Migrans |
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Term
| Cutaneous Larval Migrans due to Necator americanus or Ancylosoma duodenale is caused by what? |
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Definition
|
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Term
Common Name of:
Strongyloides stercoralis |
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Definition
|
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Term
| Which Nematode is considered a Parthenogenic organism? |
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Definition
| Strongyloides stercoralis |
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Term
| Can Strongyloides stercoralis survive as a free-living organism? |
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Definition
|
|
Term
Ova Morphology:
Resembles Hookworm ova(segmented embryo) |
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Definition
| Strongyloides stercoralis |
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Term
| Infective Stage - Strongyloides stercoralis |
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Definition
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Term
| Diagnostic Stage - Strongyloides stercoralis |
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Definition
|
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Term
| Method of Infection - Strongyloides stercoralis |
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Definition
| Filariform larva penetrates the skin |
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Term
| Can auto-reinfection occur with Strongyloides stercoralis? |
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Definition
|
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Term
| Method of Diagnosis - Strongyloides stercoralis |
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Definition
| Identify rhabditiform larva in stool |
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Term
| Disease/Symptoms associated with Strongyloides stercoralis |
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Definition
Pneumonitis
Ground itch
Larva currens
Hyperinfection (fatal) |
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Term
| What type of migration does Strongyloides stercoralis follow when auto-reinfection is occurring? |
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Definition
|
|
Term
Rhabditiform Larva:
Short buccal cavity and prominent genital primoridum |
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Definition
| Strongyloides stercoralis |
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|
Term
Rhabditiform Larva:
Long buccal cavity |
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Definition
|
|
Term
Filariform Larva:
Notched tail and long esophagus |
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Definition
| Strongyloides stercoralis |
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|
Term
Filariform Larva:
Pointed tail and short esophagus |
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Definition
|
|
Term
| AKA: "Parasite of carnivorous animals" |
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Definition
|
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Term
| Infective Stage - Trichinella spiralis |
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Definition
| Encysted larva in striated muscle |
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Term
| Diagnostic Stage - Trichinella spiralis |
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Definition
| Encysted larva in striated muscle |
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Term
| Method of Infection - Trichinella spiralis |
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Definition
| Ingestion of undercooked meat containing encysted larva |
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Term
| Method of Diagnosis - Trichinella spiralis |
|
Definition
Muscle biopsy to identify encysted larva within "Nurse Cells"
ELISA - serological testing |
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Term
| Disease/Symptoms associated with Trichinella spiralis |
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Definition
| Inflammation and pain in localized area, fever, severe abdominal pain, muscle pain, nausea, diarrhea |
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|
Term
Common Name of:
Dracunculus medinensis |
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Definition
|
|
Term
| Largest/Longest parasitic nematode to infect humans |
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Definition
|
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Term
| Dracunculus medinensis is considered a ____ ___ ___ |
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Definition
| Neglected Tropical Disease |
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Term
| Infective stage - Dracunculus medinensis |
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Definition
| Larvae undergoes two molts in the copepod and becomes a L3 larvae |
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Term
| Diagnostic stage - Dracunculus medinensis |
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Definition
| Female worm begins to emerge from skin one year after infection |
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|
Term
| Method of Infection - Dracunculus medinensis |
|
Definition
| Drink water containing infected copepods |
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|
Term
| Method of Diagnosis - Dracunculus medinensis |
|
Definition
| Visually observe skin blisters containing adult female Guinea worm |
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|
Term
| Treatment for Dracunculus medinensis |
|
Definition
No drug treatment available
Must remove adult worm by slowly pulling it out of blister |
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|
Term
| Filariae are also referred to as what type of nematodes? |
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Definition
|
|
Term
|
Definition
|
|
Term
Live in subcutaneous or lymphatic tissue
Requires an intermediate host for transmission
Produces Microfilariae |
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Definition
|
|
Term
| Method of Infection - Filariae |
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Definition
| Larva enters skin at the vector's feeding site |
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Term
| Method of Diagnosis - Filariae |
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Definition
Identify microfilariae in the blood or tissue biopsy
Presence or absence of a sheath
Pattern of stained nuclei |
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|
Term
| Method of Infection - Wuchereria bancrofti |
|
Definition
| Filariform larva enters blood through mosquito bite |
|
|
Term
| Method of Diagnosis - Wuchereria bancrofti |
|
Definition
| Identify microfilariae or adult worm |
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Term
| Wuchereria bancrofti Microfilariae are found in the _____. |
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Definition
|
|
Term
| Wuchereria bancrofti adult worms are found in the ______ _______. |
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Definition
|
|
Term
| Disease/Symptoms associated with Wuchereria bancrofti |
|
Definition
Clogs lymphatic system;
Causes Elephantiasis;
Chronic Edema |
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|
Term
|
Definition
|
|
Term
| Method of Infection - Loa loa |
|
Definition
| Filariform larva enters blood through fly bite |
|
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Term
| Method of Diagnosis - Loa loa |
|
Definition
| Identify microfilariae or adult worm |
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Term
| Where do Loa loa adults often migrate to? |
|
Definition
|
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Term
| Loa loa microfilariae are found in the |
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Definition
|
|
Term
| Loa loa adult worms are found in the |
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Definition
|
|
Term
| Disease/Symptoms associated with Loa loa |
|
Definition
Calabar swellings
inflammation
eye irritation |
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Term
|
Definition
|
|
Term
T or F:
There is No buccal cavity in cestodes |
|
Definition
|
|
Term
T or F:
There is a digestive tract in Cestodes |
|
Definition
|
|
Term
T or F:
There is a vascular system in Cestodes |
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Definition
|
|
Term
T or F:
The interior of a Cestoda is solid |
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Definition
|
|
Term
| What is the exterior of the Cestoda called? |
|
Definition
|
|
Term
| What is the anterior head of the Cestoda called? |
|
Definition
|
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Term
| The crown of the scolex is called? |
|
Definition
|
|
Term
| How do Cestodes reproduce? |
|
Definition
|
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Term
|
Definition
| Posterior segments containing both male and female reproductive organs |
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Term
| What are the 3 stages of the Cestodes life cycle called? |
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Definition
|
|
Term
Which stage of the life cycle does the following describe?
Resistant and Transmissible
Onchoshphere/Hexacanth Embryo |
|
Definition
|
|
Term
Which stage of the life cycle does the following describe?
Cysticercoid
Cysticercus |
|
Definition
|
|
Term
Which stage of the life cycle does the following describe?
Reproductive stage
Causes pathogenesis |
|
Definition
|
|
Term
|
Definition
Cyst-like structure enclosing the scolex
Contains little to no fluid |
|
|
Term
| Cysticercus (Bladder worm) |
|
Definition
Cyst-like structure enclosing the scolex
Fluid-filled |
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|
Term
Common Name of:
Hymenolepis nana |
|
Definition
|
|
Term
Ova Morphology:
Polar filaments
Almond shaped embryo
Hexacanth embryo - 3 pairs of hooklets |
|
Definition
|
|
Term
| Infective stage - Hymenolepis nana |
|
Definition
|
|
Term
| Diagnostic stage - Hymenolepis nana |
|
Definition
|
|
Term
| Method of Infection - Hymenolepis nana |
|
Definition
|
|
Term
| Method of Diagnosis - Hymenolepis nana |
|
Definition
| Identify embryonated ova in stool |
|
|
Term
| Does Hymenolepis nana undergo autoinfection? |
|
Definition
|
|
Term
Common name of:
Hymenolepis diminuta |
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Definition
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Term
Ova Morphology:
Resembles H. nana ova
No Polar filaments
Hexacanth embryo |
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Definition
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Term
| Infective Stage - Hymenolepis diminuta |
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Definition
| Cysticerci in body cavity of insect |
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Term
| Diagnostic stage - Hymenolepis diminuta |
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Definition
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Term
| Method of Infection - Hymenolepis diminuta |
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Definition
| Accidental ingestion of infected beetle or flea |
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Term
| Method of Diagnosis - Hymenolepis diminuta |
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Definition
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Term
Common name of:
Taenia saginata |
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Definition
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Term
Common name of:
Taenia solium |
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Definition
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Term
T or F:
Humans are the only known definitive host for T. saginata and T. solium |
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Definition
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Term
Ova Morphology:
Spherical and brown
Thick striated shell
Hexacanth embryo - 3 pairs of hooklets |
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Definition
Taenia saginata
Taenia solium |
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Term
Unarmed scolex
> or = 15 uterine branches/side |
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Definition
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Term
Armed scolex
<15 uterine branches/side |
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Definition
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Term
| Infective stage - Taenia species |
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Definition
| Oncospheres develop into cysticerci in muscle |
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Term
| Diagnostic stage - Taenia species |
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Definition
| Eggs or gravid proglottids |
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Term
| Method of Infection - Taenia species |
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Definition
| Ingestion of cysticercus from undercooked meat |
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Term
| Method of Diagnosis - Taenia species |
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Definition
| Identify ova, proglottids, or scolex in stool |
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Term
| Disease associated with Taenia solium |
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Definition
Cysticercosis
Neurocysticercosis
Taeniasis - abdominal pain, loss of appetite, weight loss, upset stomache |
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Term
Common name of:
Diphyllobothrium latum |
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Definition
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Term
Enterobius vermicularis
Trichuris trichiura
Ascaris lumbricoides
Necator americanus
Ancylostoma duodenale
Strongyloides stercoralis
Trichinella spiralis
Dracunculus medinensis
Wuchereria bancrofti
Loa loa |
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Definition
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Term
Hymenolepis nana
Hymenolepis diminuta
Taenia saginata
Taenia solium
Diphyllobothrium latum
Echinococcus granulosus |
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Definition
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Term
Fasciolopsis buski
Fasciola hepatica
Clonorchis sinensis
Paragonimus westermani
Schistosoma mansoni
Schistosoma japonicum
Schistosoma haematobium |
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Definition
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Term
Entamoeba histolytica
Entamoeba hartmanni
Entamoeba coli
Endolimax nana
Iodamoeba buetschlii
Acanthamoeba spp.
Naegleria fowleri |
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Definition
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Term
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Definition
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Term
Pediculus humanus capitis
Pediculus humanus corporus
Phthirus pubis
Pulex irritans
Climex lectularius
Genus Dermacentor
Sarcoptes scabiei
Loxosceles reclusa
Latrodectus mactans |
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Definition
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Term
Giardia lamblia (intestinalis)
Dientamoeba fragilis
Trichomonas vaginalis
Trypanosoma brucei sp.
Trypanosoma cruzi
Leishmania spp. |
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Definition
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Term
Plasmodium falciparum
Plasmodium malariae
Plasmodium vivax
Babesia spp.
Toxoplasma gondii |
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Definition
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Term
| Largest tapeworm to infect humans |
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Definition
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Term
Ova Morphology:
Larger, ovoid
Operculum
Abopercular Knob |
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Definition
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Term
Proglottid Morphology:
Broader than long
Rosette uterus |
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Definition
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Term
Scolex Morphology:
Long, narrow
Unarmed
Bothria - sucking grooves |
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Definition
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Term
| Infective Stage - Diphyllobothrium latum |
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Definition
Fish infected with Diphyllobothrium larva
-Plerocercoid larva |
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Term
| Diagnostic Stage - Diphyllobothrium latum |
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Definition
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Term
| Method of Infection - Diphyllobothrium latum |
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Definition
| Ingestion of undercooked fish infect with larva |
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Term
| Method of Diagnosis - Diphyllobothrium latum |
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Definition
| Identify ova, proglottid, or scolex in stool |
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Term
| Symptoms/Disease associated with Diphyllobothrium latum |
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Definition
| Macrocytic anemia (B12 Deficiency) |
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Term
T or F:
Diphyllobothrium latum species requires B12 for survival |
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Definition
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Term
Common Name of:
Echinococcus granulosus |
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Definition
Hydatid Tapeworm
Minute Tapeworm
Dog Tapeworm |
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Term
| What is the definitive host for Echinococcus granulosus? |
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Definition
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Term
| Humans becomes what kind of host for Echinococcus granulosus? |
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Definition
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Term
| Infective Stage - Echinococcus granulosus |
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Definition
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Term
| Diagnostic Stage - Echinococcus granulosus |
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Definition
| Hydatid cyst in body organs |
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Term
| Method of Infection - Echinococcus granulosus |
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Definition
| Accidental ingestion of embryonated ova |
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Term
| Method of Diagnosis - Echinococcus granulosus |
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Definition
| ELISA, Serology, Biopsy, X-Ray |
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Term
| What do hydatid cysts contain? |
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Definition
| daughter cysts and hydatid sand |
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Term
| Hydatid sand is made up of what? |
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Definition
| protoscolices (immature scolices)and hooklets within cyst fluid |
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Term
| Symptoms/Disease associated with Echinococcus granulosus? |
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Definition
Hydatid Cyst/Hydatid disease
Tissue necrosis
Anaphylactic shock
Death |
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Term
| Hexacanth embryo migrates to tissues and develops into hydatid cysts |
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Definition
| Hydatid Cyst/Hhydatid disease in humans |
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Term
Common Name of:
Trematodes |
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Definition
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Term
Physiology:
Flat, Non-segmented, Leaf-shaped body
Oral Cavity & Digestive Tract |
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Definition
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Term
| What is the exterior of a Trematode called? |
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Definition
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Term
| What does the Tegument of a Trematode do? |
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Definition
| Absorbs some nutrients, releases some waste |
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Term
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Definition
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Term
T or F:
Trematodes have 2 types of suckers, oral suckers and ventral suckers |
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Definition
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Term
| Name the 3 Types of Flukes |
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Definition
| Tissue, Intestinal, and Blood |
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Term
| Which type(s) of fluke reproduces asexually? |
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Definition
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Term
| Which type(s) of fluke reproduces sexually? |
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Definition
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Term
Life Cycle:
Ovum
Larval forms
Adult fluke |
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Definition
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Term
| What are the 3 types of Larval forms associated with Trematodes |
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Definition
Miracidia
Cercaria
Metacercaria |
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Term
Which type of Larval form of fluke is the following:
Ciliated
Each species of fluke requires a specific fresh water snail as an intermediate host |
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Definition
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Term
Which type of Larval form of fluke is the following:
May or may not be free swimming |
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Definition
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Term
Which type of Larval form of fluke is the following:
Non-motile, encysted form of cercariae
Infective stage for humans |
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Definition
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Term
What type of fluke is the following:
Fasciolopsis buski |
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Definition
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Term
What type of fluke is the following:
Fasciola hepatica |
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Definition
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Term
| Largest parasitic fluke to infect humans |
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Definition
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Term
Symptoms/Disease associated with Fasciola hepatica:
Acute
Chronic |
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Definition
Abdominal pain, Eosinophilia, weight loss.
Inflammation, blockage of bile duct, liver, pancreas, and gull bladder |
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Term
Ova Morphology:
Ellipsoidal
Very large in size
Thin shell with operculum |
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Definition
| Fasciolopsis buski / Fasciola hepatica |
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Term
| Diagnostic Stage - Fasciolopsis buski/Fasciola hepatica |
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Definition
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Term
| Infective Stage - Fasciolopsis buski/Fasciola hepatica |
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Definition
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Term
| Method of Infection - Fasciolopsis buski/Fasciola hepatica |
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Definition
| Ingest undercooked water plant infected with metacercariae |
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Term
| Method of Diagnosis - Fasciolopsis buski/Fasciola hepatica |
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Definition
| Unembryonated ova in stool / ELISA |
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Term
Common Name of:
Clonorchis sinensis |
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Definition
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Term
Ova Morphology:
Chinese vase
very small
ovid
yellow-brown color
Small terminal knob (abopercular)
Prominent shoulders with operculum
Developing miracidia is visible |
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Definition
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Term
| Infective Stage - Clonorchis sinensis |
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Definition
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Term
| Diagnostic Stage - Clonorchis sinensis |
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Definition
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Term
| Method of Infection - Clonorchis sinensis |
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Definition
| Ingest metacercariae from undercooked fresh water fish |
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Term
| Method of Diagnosis - Clonorchis sinensis |
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Definition
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Term
| Disease/Symptoms associated with Clonorchis sinensis |
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Definition
| Inflammation and intermittent obstruction of bile ducts |
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Term
Common Name of:
Paragonimus westermani |
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Definition
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Term
Ova Morphology:
Large
Ovid
Flattened operculum with shoulders
Thicker posterior end |
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Definition
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Term
| Infective stage - Paragonimus westermani |
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Definition
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Term
| Diagnostic stage - Paragonimus westermani |
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Definition
|
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Term
| Method of Infection - Paragonimus westermani |
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Definition
| Ingest metacercariae from undercooked fresh water crustacean |
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Term
| Method of Diagnosis - Paragonimus westermani |
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Definition
| Identify ova in sputum or stool |
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Term
| Symptoms/Disease associated with Paragonimus westermani |
|
Definition
Chronic chest pain with bloody sputum
Cerebral paragonimiasis |
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Term
|
Definition
| Immature flukes travel to brain (as well as other sites) |
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Term
Common Name of:
Schistosoma species |
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Definition
|
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Term
T or F:
Schistosoma species takes part in sexual reproduction |
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Definition
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Term
Location of:
Schistosoma mansoni |
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Definition
| Liver sinuses and intestinal tract |
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Term
Location of:
Schistosoma japonicum |
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Definition
| Liver sinuses and intestinal tract |
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Term
Location of:
Schistosoma haematobium |
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Definition
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Term
Ova morphology:
Large lateral spine |
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Definition
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Term
Ova morphology:
Small lateral spine |
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Definition
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Term
Ova morphology:
Terminal spine |
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Definition
|
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Term
| Infective Stage - Schistosoma species |
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Definition
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Term
| Diagnostic Stage - Schistosoma species |
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Definition
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Term
| Method of Infection - Schistosoma species |
|
Definition
| Cercariae directly penetrates the skin |
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Term
| Method of Diagnosis - Schistosoma mansoni and Schistosoma japonicum |
|
Definition
| Identify ova in Stool or rectal biopsy |
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Term
| Method of Diagnosis - Schistosoma haematobium |
|
Definition
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