BB LRGPHOR Ch5 - Zoonosis & Occ Health Flashcards
1
Q
- What is the mode of transmission for Hantavirus to humans?
a. Horizontal transmission via aerosolization of urine, feces and saliva
b. Via rodent bite
c. Person-to-person transmission
d. All of the above
A
d
2
Q
- Which animal biosafety level is required for work involving inoculation of the Hantavirus into P. maniculatus or other permissive species?
A
Animal Biosafety level 4
3
Q
- Which is the non-human host for Lassa Virus?
A
Mastomys natalensis
4
Q
- True or False: Infection with Lassa virus is transmitted through contact with feces and urine of infected rodents.
A
True
5
Q
- Which is the method to determine the prevalence of the Lassa virus in wild rodent populations?
A
ELISA antibody assay
6
Q
- Which species are the known reservoirs for Lymphocytic Choriomeningitis virus?
A
Mice and hamster
7
Q
- True or False: Intrauterine infections of human fetuses with Lymphocytic Choriomeningitis can result in hydrocephalus, microencephaly, macroencephaly, intracranial calcification, mental retardation, seizures, and fetal death.
A
True
8
Q
- If an infection with LCMV is diagnosed in a rodent colony, what actions need to be taken?
A
All animals will be euthanized
9
Q
- What is the mode of transmission of rabies virus?
A
Bite of a rabid animal or Contamination of wound by saliva form an infected animal
10
Q
- What is the most common mode of transmission for Coxiella burnetti Infection?
A
Airborne
11
Q
- Chronic infected animals shed Coxiell burnetti persistently in
A
Feces and urine
12
Q
- What is the agent that causes Rickettsial pox?
A
Rickettsia akari
13
Q
- Which is the causative agent of the Rocky Mountain spotted fever?
A
Rickettsia rickettsii
14
Q
- Which are reservoirs for Rickettsia rickettsii?
A
Wild rodents and rabbits
15
Q
- True or False: The disease of Rocky Mountain spotted fever is asymptomatic in animals.
A
True
16
Q
- What are the most common clinical signs in humans affected by Rickettsia rickettsii?
A
Fever, headache, rash on trunk, palms and soles
17
Q
- Which are the reservoirs for Chlamydiophila caviae?
A
Guinea pigs & Rabbits
18
Q
- Among which laboratory animals besides birds do infections of Chlamydophyla psittaci occur?
a. Mice, guinea pigs, and hamsters
b. Rabbits, cats, ferrets and muskrats
c. Ruminants, swine and frogs
d. All of the above
A
d
19
Q
- Which is the vector which transmits Borrelia burgdorferi?
A
Deer tick
20
Q
- What is the genus of the rabbit that presents the greatest hazard as reservoir for Tularemia?
A
Sylvilagus
21
Q
- Yersinia pestis disease in humans presents in how many distinctive forms:
A
3
22
Q
- Which are the intermediate hosts for Rodentolepis nana, the tapeworm of a hamster?
A
Flour beetles and fleas
23
Q
- Which are the reservoirs for Cheyletiella mites?
A
Rabbit, cat and dog
24
Q
- Allergic reaction to animals in humans are reported with the highest incidence when working with
A
rats