| Graded A+
1. Describe the clinical signs of toxicity observed in dairy cattle due to the chemical
contamination in Michigan in 1973.
The clinical signs included lethargy and increased appetite.
The clinical signs included diarrhea and fever.
The clinical signs included increased milk production and healthy calves.
The clinical signs included respiratory issues and skin lesions.
The clinical signs included abortions, breeding problems, weak calves, severe
drop in milk production, curling of toes, and death.
2. Interpret the implications of finding PCB in milk samples from dairy herds.
Finding PCB indicates that the milk is safe for consumption.
Finding PCB is a common occurrence and does not require action.
Finding PCB means that the cows are healthy.
Finding PCB in milk samples suggests potential contamination that requires
investigation and compliance measures to ensure safety.
3. What is the primary cause of the Michigan problem related to PBB in livestock?
improper waste disposal
impurities in drinking water
contaminated feed aerosol
pollutants
, an infectious agent
4. In a scenario where a veterinarian needs to increase heart rate in a patient with
bradycardia, which class of drugs would be most appropriate to use?
adrenolytic agents
sympathomimetic agents
antagonist agents alpha
blocking agents
sympatholytic agents
5. Describe the significance of identifying mosquito species like Psorophora bos in the
context of veterinary medicine.
Identifying mosquito species helps in determining their feeding habits only.
Identifying mosquito species is only important for agricultural practices.
Identifying mosquito species like Psorophora bos is important for
understanding potential disease transmission to animals and humans.
Identifying mosquito species is irrelevant to veterinary medicine.
6. Which agent listed is known to block the effects of the parasympathetic nervous
system?
pilocarpine carbachol
atropine methancholine
chloride
7. Which of the following best describes what is necessary for a veterinarian to source
federal accreditation?
, graduation from a recognized college of veterinary medicine, and one year of
practice experience licensed by a state and recommendation of the state
veterinarian graduation from a recognized school of veterinary medicine
graduation from a recognized college of veterinary medicine, licensed to
practice by the state for which applying, submission of application on Form 1-
36A, recommendation of state and federal official in the state to which
applying and pass the written
examination given by the veterinary services of the USDA Animal & Plant
Inspection System successful completion of the national veterinary board
examination
8. Which of the following is a disease caused by a virus and transmitted by infected
animals?
Rabies
Tetanus
Rocky Mountain spotted fever
Lyme disease
9. If a veterinarian has graduated from an accredited veterinary college and has been
practicing for two years but has not submitted the required application form, what
step must they take to achieve federal accreditation?
Take the national veterinary board examination again.
Obtain a new state license.
Complete additional years of practice.
Seek a recommendation from a federal official.
Submit the application on Form 1-36A.
, 10. If a veterinary public health official is investigating an outbreak of a disease
resembling chicken pox in a community with high rodent populations, which disease
should they prioritize in their research?
Rickettsial pox
Chagas' disease
Toxoplasmosis
Rubella
Q-fever
11. Which of the following is NOT an implement to control an outbreak?
Quarantine exposed healthy individuals
Confirm the agent
Isolate ill cases
Vaccinate susceptible animals
12. Which of the following is true regarding vesicular stomatitis?
it has a 90% mortality rate
it only affects pigs it is
zoonotic it is only found in
europe
13. Which species of trypanosome is responsible for causing Dourine?