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Infectious diseases test 2
Bio 2100
77
Biology
Undergraduate 2
03/24/2010

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Cards

Term
1st recorded epidemic
Definition
412 BC
Term
Spanish Flu Pandemic total deaths
Definition
40-100 Million 
Term
Spanish Flu Strain
Definition
H1N1
Term
Spanish Flu animal orgin
Definition
From birds to humans
Term
1976 Swine Flu Scare
Definition

Same strain as 1918. 

- Ford wanted everyone vaccinated

- not a big deal

Term
Annual flu deaths
Definition
250,000-500,000
Term
Influenza A
Definition

- Most severe, common, mutatable

- most likely to cause epidemics 

 

Term
Flu symptoms
Definition
Cough, fever, sore throat, body aches
Term
Influenza B
Definition

- Slower to mutate

- mild

Term
2 Flu proteins
Definition

H & N

- multiple forms which determines how immune system recognizes flu 

Term
Bird flu can transfer between_______
Definition
Bird to bird, bird to human, but not human to human
Term
Bird Flu Strain
Definition
H5N1
Term
Swine Flu Strain
Definition
- H1N1
Term
How contagious is h1n1?
Definition
-Very, especially in age groups w/ no previous exposure
Term
H1N1 death rate
Definition
low
Term
How fast do viruses evolve?
Definition
-Extremely quickly. 2008, 11% resistent to tamiflu, in 2009, 91% resistent 
Term
Fungi are ______ cells and have_________
Definition
Eukaryotic, cell walls
Term
Molds are _______cellular
Definition
multi
Term
Why are molds fuzzy?
Definition
They have hypae with long filaments
Term
Yeast are ____cellular and are this shape _______
Definition
Uni, circular
Term
Yeast sexual reproduction
Definition

- Sexual and Asexual. 

- Spores are a clone from a single hyphae. 

Term
Yeast reproduction
Definition
Budding or fission
Term
Mycoses 
Definition
Fungal infections
Term
Fugal pathogen
Definition
Mycotoxins
Term
Yeast infections are caused by _________ _________
Definition

Candida  albicons (Blame canada!)

 

Term
Examples of Yeast infections
Definition

- Vaginal/penis

- Mouth (thrush)

- diaper rash

Term
Dermatophytes
Definition

- Athletes foot, jock itch, ring worm 

- Feed off keratin in skin

Term
Valley fever infects _______
Definition
The respiratory system
Term
Valley fever is mostly located in ______
Definition
SW US, mexico
Term
Is valley fever contagious?
Definition
No, it is infectious, but not contagious
Term
Valley Fever cause
Definition
spores in soil carried by wind
Term
Sick Building symptoms
Definition
Headaches, fatigue, lack of health, flu-like, memory changes
Term
Sick building is caused by _____
Definition
Black mold, S chartarum 
Term
Protozoans are ______ cells that lack ______
Definition
Eukaryotic, cell walls
Term
Ameoboids
Definition
- Pseudopods, have feet
Term
Flagellates
Definition
- use flagella or tail
Term
Ciliates
Definition
Use cilia or tails
Term
Protozoan reproduction
Definition

Asexually via binary fission

- can exchange DNA through conjugation

Term
Protozoans inhabit______
Definition
Aquatic areas
Term
Protozoans feed by
Definition
- They are parasites and feed off animal fluids
Term
Malaria is spread by 
Definition
- The mosquito 
Term
Which genetic disease gives protection from malaria?
Definition
Sickle Cell anemia
Term
Anti-malaria drug
Definition
Quinine
Term
Why is malaria tough to make a vaccine for?
Definition
It has a complex life cycle
Term
Who discovered the parasite that causes malaria?
Definition
- Laveran in 1880
Term
First recorded case of giardiasis
Definition
In leeuwenhoek
Term
Giardiasis Symptoms
Definition
EXPLOSIVE DIARRHEA! tummy pain
Term
Fowleri
Definition

Extremely rare (175 cases ever)

- Almost always fatal

- altered taste and smell

- Pools and lakes

Term
Roundworms
Definition

- Cylindrical body 

- simplest animal w/ digestive system

- infection occurs through ingestion of eggs/larva

Term
Flatworms 
Definition

- No digestive system

- hermaphrodites

Term
Worms cause disease by ________
Definition

- Sapping hosts nutrients

- Inducing inflamation 

- Blocking or perforating organs

Term
2nd most deadly parasite
Definition
Schistosomiasis, infects 200 mil, kills 750,000 annually
Term
Schistosomiasis symptoms
Definition

-Rash within days, flu symptoms in months

- Kills by damaging liver, kidneys, lungs and bladder

Term
Filariasis is spread by
Definition
Mosquitos and biting flies
Term
Filariasis' 2 disorders
Definition
River blindness and elephantitis 
Term
Hookworm gets in by
Definition
penetrating bottom of foot and moves to intestine
Term
Hookworms infect about
Definition
1 billion people worldwide
Term
Repeated infection as a kid 
Definition
leads to retardation
Term
Guinea worms
Definition

- Extremely long roundworms that emerge form surface of skin

- clean drinking water has greatly reduced infection

Term
Pinworms
Definition
- Roundworm of the colon
Term
Prion stands for 
Definition
Proteinaceous Infectious Particles
Term
Do prions have genetic material?
Definition
No, nonliving
Term
Prions cause disease by
Definition

-Diseased proteins sickening healthy proteins

- Form amyloid fibers that kill nerve cells

- Leave holes in brain

Term
Kuru
Definition

- Infected Fore people

- spread by ritualistic canabalism 

 

Term
Do prions have a treatment?
Definition
nope
Term
Mad Cow affects the
Definition
brainstem
Term
Disease in humans caused by mad cow
Definition
Varient CDS
Term
Varient CDS symptoms
Definition
- Memory loss, involuntary movements, loss of muscle control 
Term
Transmission
Definition
 movement of pathogens form one environment to another
Term
Horizontal infection
Definition

-  exchange of fluids (saliva, semen, blood, needles)

            STDS, mono, ect

Term
Vertical
Definition
Mother to baby
Term
Indirect
Definition

 

transfer of pathogen from reservoir to a fomite and  then to a new host. 

           

 

Term
Reservoir
Definition

living or non living source of a pathogen


Term
Fomite
Definition
inanimate object (door knob, desk ect)
Term
Droplet
Definition
Carried < 3 feet. Coughs, sneezes, talking. Can't survive if dried out.
Term
Vehicle
Definition
 Pathogen is spread by food, water or air.
Term
Vector
Definition

Pathogen transmitted by an unaffected host

 - Ticks, mosquitoes. West Nile virus, lyme disease (Ticks)

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