Term
| Characteristic of Parasites as a group? |
|
Definition
Eukaryotic
Distinct from Fungi
No Chlorophyll
Mixed group of organisms from Protozoa to Helminths
Single celled or multicellular
Microscopic to macroscopic. |
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|
Term
| Protozoa - single or multicellular? |
|
Definition
| Single celled, organized cellular structure. |
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Term
| Protozoa - environmental requirements? |
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Definition
|
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Term
|
Definition
| Reproduce by binary fission. |
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Term
|
Definition
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Term
| Helminths (Worms) - single or multi? |
|
Definition
Multicellular, organized internal structure.
Includes flatworms and roundworms. |
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|
Term
| Ectoparasites - what are they? |
|
Definition
| Insects and arachnida found on the skin |
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|
Term
| Amoebae - what type of parasite? How are these parasites classified? |
|
Definition
| It is a protozoa, classified based on means of locomotion. |
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Term
|
Definition
| move by forming cytoplasmic protrusions called pseudopodia |
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Term
| What are the two forms that amoebae take? |
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Definition
| Trophozoite (active, growing) and cyst (environmentally protected) froms. |
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|
Term
| Entamoeba histolytica - diseases caused? |
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Definition
| Range from asymptomatic, diarrhea to dysentery(blood and mucousy diarrhea) and liver disease. |
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|
Term
| Transmission of E. hystolytica? |
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Definition
| Fecal Oral Route, contaminated food/water, poor living conditions and in the tropics. |
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|
Term
| Amoeba can also cause corneal infections in contact lens wearers. |
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Definition
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Term
| Flagellate protozoa - how do they move? |
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Definition
|
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Term
| Two forms of flagellates? Hint: same as the amoebae. |
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Definition
| Trophozoites (active) and cysts (dormant, environmentally protected from). |
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|
Term
| What gives the flagellates shape? |
|
Definition
|
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Term
| Where do flagellates typically cause infection? |
|
Definition
| Of the gut, or widespread. |
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Term
| Giardia Lamblia - what type of protozoa is it? |
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Definition
|
|
Term
| Where does Giardia Lamblia cause disease and what types does it cause? |
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Definition
| Enterically, may be asymptomatic, to acute or chronic diarrhea. |
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Term
| Giardia Lamblia transmission? |
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Definition
| Fecal oral, occurs worldwide, and is usually waterborne. |
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Term
| Trichomoniasis is what type of protozoa? |
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Definition
|
|
Term
| Trichomonas vaginalis commonly causes? Hint: It's in the name. |
|
Definition
| Vaginitis, and carriage in males! |
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|
Term
| Transmission of trichomonas vaginalis? |
|
Definition
|
|
Term
| Detection of Trichomonas vaginalis? |
|
Definition
| Microscopy, wet mount of discharge for live organisms, or gram stained for nonviable organisms. |
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|
Term
| Other sites of trichomonas? |
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Definition
| Non-pathogenic spp are found in the oral cavity and gut. |
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|
Term
| Trypanosomiasis - protozoan infection commonly found where? |
|
Definition
|
|
Term
| What type of infection does trypanosomiasis cause? |
|
Definition
| Systemic, the sleeping sickness (fever encephalitis) |
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|
Term
| What type of protozoa is trypanosomiasis? |
|
Definition
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Term
| Transmission of trypanosomiasis? |
|
Definition
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Term
| Detection of trypanosomiasis? |
|
Definition
| parasites stain on blood smears, or serology. |
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|
Term
| Trypanosomiasis can also occur where? What disease does it cause here? |
|
Definition
| South America, causes Chagas disease. |
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|
Term
| What causes Chagas disease? What are some of the complications? |
|
Definition
| Cardiac complications, caused by trypanosomiasis. |
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Term
| Transmission of trypanosomiasis in South america? |
|
Definition
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Term
| Detection of Trypanosomiasis? |
|
Definition
| parasites stained on blood smears, serology. |
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|
Term
| Leshmaniasis - what type of infection? |
|
Definition
| Protozoan, flagellate, systemic. |
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|
Term
| What are the common manifestations of Leishmaniasis? |
|
Definition
| Cutaneous ulcers or visceral infiltration (Hepatosplenomegaly - enlarged liver and spleen) |
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Term
| Sporozoa - how is it different from other protozoans? |
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Definition
| Non-motile. Have complex life cycles. |
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Term
| Sporozoa - what is an example of a common pathogen and the disease it causes? |
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Definition
| Plasmodium - causes malaria. |
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|
Term
| What characterizes malaria? |
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Definition
| Episodic fevers, anemia. LIFE THREATENING |
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Term
| Transmission of Plasmodium? |
|
Definition
|
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Term
|
Definition
| Parasites stained on blood film. |
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Term
| Cryptosporidium spp - what type of protozoa? Where in the body does it commonly cause infection |
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Definition
| It is an enteric sporozoan. |
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|
Term
| How does the disease caused by cryptosporidium spp present? |
|
Definition
| Water diarrhea. Chronic diarrhea in immunosuppressed patients - ie. AIDS). |
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|
Term
| Transmission of Cryptosporidium spp? |
|
Definition
| Fecal Oral, waterborne, animals, world wide distribution. |
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Term
| Detection of cryptosporidium spp? |
|
Definition
| microscopy of stool using acid fast stain, or detection of antigen in stool using EIA |
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|
Term
| Cyclospora disease caused? |
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Definition
| Watery Diarrhea, similar to cyptosporidium. |
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Term
| cyclospora - what type of protozoa? |
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Definition
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Term
| Transmission of cyclospora? |
|
Definition
| fecal oral, especially in the tropics. |
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Term
|
Definition
| Microscopy of stool as for cryptosporidium. |
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|
Term
| Toxoplasma Gondii - what type of protozoa is it? |
|
Definition
|
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Term
| Toxoplasma gondii - disease state? |
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Definition
| mostly asymptomatic infection, new infection in pregnancy causes fetal malformations, also can cause infection in the immunosuppressed. |
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Term
| Transmission of Toxoplasma gondii? |
|
Definition
| poorly cooked meat, cat poop. |
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|
Term
| Detection of toxoplasma gondii? |
|
Definition
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