NAVLE Veterinary Public Health 4

Question 1

Which of the following is the gold standard post-exposure prophylaxis regimen for unvaccinated humans exposed to rabies?

Accepted Answer

Rabies immune globulin at wound site plus vaccine series (days 0, 3, 7, 14)

Answer

PEP for unvaccinated individuals requires infiltration of rabies immune globulin at the wound plus a 4-dose vaccine series to provide immediate and long-term protection.

Question 2

Coxiella burnetii (Q fever agent) is classified as a Category B bioterrorism agent. Which animal reservoir is the primary source of human infection?

Accepted Answer

Domestic ruminants (cattle, sheep, goats)

Answer

Cattle, sheep, and goats are the primary reservoirs; parturient materials (placenta, birth fluids) contain extremely high concentrations of C. burnetii.

Question 3

Under the 21 CFR Part 117 Preventive Controls rule, which of the following is classified as a 'process control'?

Accepted Answer

Cooking step that kills pathogens to a safe level

Answer

A process control is a procedure such as cooking that applies a lethal treatment to eliminate or reduce a biological hazard to an acceptable level.

Question 4

A slaughter plant veterinarian observes a pig with depression, erythematous skin lesions, and sudden death in the pen. The most important zoonotic differential diagnosis to consider is:

Accepted Answer

Erysipelothrix rhusiopathiae infection

Answer

Erysipelothrix rhusiopathiae causes erysipelas in swine and can cause erysipeloid in humans who handle infected carcasses.

Question 5

Which epidemiological measure best quantifies the additional risk of disease attributable to a specific exposure?

Accepted Answer

Attributable risk (risk difference)

Answer

Attributable risk (risk difference) measures the excess disease burden among the exposed group that is directly attributable to the exposure.

NAVLE - North American Veterinary Licensing Examination Practice Test

NAVLE - North American Veterinary Licensing Examination Practice Test

NAVLE Veterinary Public Health 4