ACVPM INFECTIOUS DISEASES ACTUAL EXAM NEWEST
WITH COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS| BRAND NEW VERSION!
What was the original reason for establishing the national poultry
improvement plan? ......ANSWER......Eradicate Pullorm disease, caused
by Salmonella pullorm which caused upwards of 80% mortality in baby
poultry
What are some important determinants of vector borne disease
transmission? ......ANSWER......survival and reproduction/biting rate/
pathogen incubation rate
How is Malaria affected by climate? el nino? ......ANSWER......Generally
increases in wetter/humid times of the year which could impact disease
rates with climate change
Five fold increase in years after el nino
Why do Flu viruses mutate so much? ......ANSWER......RNA virus, so
poor fidelity when replicating
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Which influenza strains can be highly pathogenic?
......ANSWER......H5/H7
Why does high path AI affect the meat of poultry but not low path?
......ANSWER......High path cause viremia infecting all tissues, low path
typically onl affects respiratory +/- GI
Why are swine able to mix influenza viruses? ......ANSWER......have
receptors in their respiratory tract for both mammalian and avian
influenza viruses
What are the most important reservoirs of Coxiella burnetti
......ANSWER......cattle, sheep, and goats
What are the symptoms of Q fever in people? ......ANSWER......mild flu
like symptoms, can be severe causing heart and liver problems
How is Q fever spread? ......ANSWER......inhalation of bacteria spread in
amniotic fluid, placenta, and feces (ticks possible, raw milk)
What did the 2007 dairy study reveal about the prevalence of C burnetti
in U.S. dairy herds? ......ANSWER......Increasing prevalence as herd size
increased with 69.8percent of small operations testing positive and 98.8
percent of large operations testing positive with PCR
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What area of the country is coccidioidmycosis (valley fever typically
reported? ......ANSWER......southwest (it lives in the soil)
What are the symptoms of coccidioides infection?
......ANSWER......fever/cough/rash/muscle aches, severe cases can cause
chronic pneumonia and/or meningitis
Who is most at risk of coccidioides? ......ANSWER......those with work
place exposure (military, border guards), those over 60, women in 3rd
trimester, immunocompromised
What is the reservoir of Baylisascaris procyonis ......ANSWER......racoon
What species can be infected by B. procyonis? ......ANSWER......Almost
anything to include chickens, quails, dogs, cats, rabbits. Which typically
get it on their fur from the soil and ingest during grooming.
What are the common sequela of B procyonis infection in people?
......ANSWER......visceral, ocurlar, or neural larval migrans
What disinfectant works best on B procyonis? ......ANSWER......none :(
How do raccoons get B procyonis? ......ANSWER......Grooming each
other when young, ingesting infected animals (such as rodents)
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Where do raccoons typically defecate? which is the likely source of B
procyonis contamination ......ANSWER......The use communal latrines
which can be manmade or natural structures such as woodpiles, trash
cans, flower beds, sand boxes
What is cat scratch disease's (Bartonellosis) typical incubation period in
people? ......ANSWER......14 days
Aside from cats, how else can someone become infected by Bartonella?
......ANSWER......Vectors (ticks, fleas, sandflies)
What are the symptoms of Bartonella in people? ......ANSWER......RED
RASH, flu like symptoms, lymphadenopathy, fever, progressive
neurologic abnormalities
What are the symptoms of progressive inflammatory neuropathy in
people and where do they get it from? ......ANSWER......minor weakness
and numbness to paralysis, particularly of the lower extremities, which
worsens over time
swine slaughterhouses, particularly those that work with the heads
during processing, possibly related to the use of compressed air to
extract brain material