Quiz 1 Flashcards
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
b. Cyclopropagative transmission
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
c. pandemic
Give one example of an indirect transmission mode for an infectious pathogen (you don’t need to list a specific pathogen or disease).
My answer: Mechanical vector-mosquito
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
b. 1 infected individual will infect 3 susceptible individuals
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
False
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?
John Snow
List 2 economic/management factors of a petting zoo that contribute to humans contracting zoonotic infections.
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
Which is the most commonly acquired zoonoses associated with animal contact?
a. Salmonella
b. E. coli
c. Pasteurella
d. Campylobacter
d. Campylobacter
List 4 prevention measures you will recommend to a pregnant woman to lower her risk of acquiring a zoonotic disease.
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
True or False: It is important to test all healthy animals used in petting zoos for zoonoses to protect public health
False
A 1975 ban prohibits the selling of turtles less than ____ inches in diameter.
4
Which zoonotic pathogen that we talked about carries the highest case-fatality rate for pregnant women?
Listeria monocytogenes
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
b. Lymphocytic choriomeningitis virus
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
True
True or False: Immunocompromised individuals are at a higher risk for acquiring a zoonosis
false
