Quiz 1 Flashcards

1
Q

Inside the gut of the mosquito, Plasmodium spp. will increase in numbers and advance in life stage before it can be transmitted to the next host. This can be classified as:

a. Propagative transmission
b. Cyclopropagative transmission
c. Cyclodevelopmental transsion
d. Developmental transmission

A

b. Cyclopropagative transmission

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2
Q

A new coronavirs is noted in China in late 2019 and by mid-January of 2020 it affects a large number of people in china, with cases noted in Japan, Korea, Singapore, Vietnam, and the U.S. Finally, by late-Januarry 2020 cases are seen in Australia and Europe. Which word best descroped the epidemiological distribution of this disease?

a. endemic
b. epidemic
c. pandemic

A

c. pandemic

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3
Q

Give one example of an indirect transmission mode for an infectious pathogen (you don’t need to list a specific pathogen or disease).

A

My answer: Mechanical vector-mosquito

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4
Q

An R0 of 3 means:

a. For every 1 infected person person we must vaccinate 3 susceptible individuals
b. 1 infected individual will infect 3 susceptible individuals
c. It takes 3 infected individuals to generate 1 newly infected individual
d. The pathogen can be transmitted through 3 generations of cases

A

b. 1 infected individual will infect 3 susceptible individuals

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5
Q

True or False: A statistical finding of an association between a disease and an exposure by default means that the exposure is the cause of the disease

A

False

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6
Q

This man is considered the Father of epidemiology and used epidemiological methodology including observation, mappting, and intervention to stop a cholera outbreak in London in 1849. Who was this man?

A

John Snow

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7
Q

List 2 economic/management factors of a petting zoo that contribute to humans contracting zoonotic infections.

A

Potential answers:

They are temporary

Design: lack of stroller parking, hand sanitizer

Handwashing - no running water

Staff supervision

Comingling

Veterinary care

Feed/water

Source of animals

Travel

Manure management

Cleaning in general

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8
Q

Which is the most commonly acquired zoonoses associated with animal contact?

a. Salmonella
b. E. coli
c. Pasteurella
d. Campylobacter

A

d. Campylobacter

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9
Q

List 4 prevention measures you will recommend to a pregnant woman to lower her risk of acquiring a zoonotic disease.

A

Don’t change a liter box yourself, if you have to then clean every 24 hours and wear gloves

Wash your hands

Cook your meat - well done

Keep your cat indoors, do not let it hunt

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10
Q

True or False: It is important to test all healthy animals used in petting zoos for zoonoses to protect public health

A

False

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11
Q

A 1975 ban prohibits the selling of turtles less than ____ inches in diameter.

A

4

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12
Q

Which zoonotic pathogen that we talked about carries the highest case-fatality rate for pregnant women?

A

Listeria monocytogenes

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13
Q

This zoonotic agent is shed by the house mouse, more rarely sometimes in pet rodents, and can lead to abortions in pregnant women and possible blindness, hydrocephalus, or mental retardation in the child. What is this agent?

a. Borrelia burgdorferi
b. Lymphocytic choriomeningitis virus
c. Leptospira spp.
d. Coxiella burnetii

A

b. Lymphocytic choriomeningitis virus

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14
Q

True or False: Healthy pregnant woman who acquires a Toxoplasma gondii infection months before becoming pregnant are protected from transmitting the infection to their fetuses

A

True

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15
Q

True or False: Immunocompromised individuals are at a higher risk for acquiring a zoonosis

A

false

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16
Q

What is the percentage of US that would be classified as immunocompromised?

A

20