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stuff epi > final > Flashcards

final Flashcards

1
Q

Most important reservoir Hep A

A

Humans

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2
Q

Building a fence to prevent animals with FAD from entering. What type of prevention?

A

Primary

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3
Q

Horse is a reservoir in which EEV?

A

VEEV

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4
Q

Definitive host of T. Saginata

A

Human

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5
Q

How is T. Solium transmitted

A

Water contaminated with human feces

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6
Q

Epidemiologists believe that most infections of T. gondii are caused by lifetime exposure to cat feces in soil (T/F)

A

False (lifetime exposure to undercooked meat)

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7
Q

Biggest difference between foodborne bacterial vs foodborne viral infection

A

More diarrhea

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8
Q

T/F: good example of targeted surveillance is testing cows on skb before slaughter for BVD

A

True

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9
Q

Which EEV is most fatal in humans

A

EEEV

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10
Q

WHats not found in healthy intestines of animal species?

A

Staph aureus

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11
Q

The best way to prevent bacterial foodborne infections is to pasteurize milk and reduce fecal contamination of carcasses. Which other pathogen can be prevented in this manner?

A

Listeria moncytogenes

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12
Q

Define sensitivity

A

The proportion of truly diseased animals that get a positive test result

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13
Q

Which is correctly matched to its vector?

A

Trypanosoma cruzii and kissing bug

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14
Q

A cat presents with a cutaneous myiasis. It is confirmed to be Cuterebra. What do you do?

A

Surgery

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15
Q

Described a case, “8% (CI: 0.4 – 2.8)”. What is true?

A

Statistically insignificant study

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16
Q

Cats on St. Kitts were trapped between Dec-Jan, tested for FIV. Out of 100, 15 were (+). What is the measure of association/study type?

A

Period prevelance

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17
Q

Which is not an analytical test?

A

Case series/ Case report

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18
Q

Define case fatality rate

A

The # of animals in a population that died after the population was exposed to a dz

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19
Q

A test, when very specific, rules a disease IN (T/F)

A

True

20
Q

Which test do you perform to see if associations between dogs and cancer study was by chance?

A

Correlation test

21
Q

What is the best way to prevent Anasakis infection?

A

Cook fish thoroughly

22
Q

Which toxin is associated with a Histamine reaction?

A

Scombrotoxin

23
Q

What is true about Bartonella?

A

There is a risk every time you are bitten or scratched by a cat

24
Q

What is the biggest concern with cat bites?

A

Infection of wound

25
Q

What is a Disposition?

A

Term in meat inspection that describes a decision made after ante or post-mortem inspection

26
Q

T/F: The FDA oversees seafood except for catfish and the USDA oversees poultry

A

True

27
Q

What is NOT true about egg factors?

A

Removal of the cuticle has no effect on bacterial invasion.

28
Q

During the WNV outbreak, alligators were fed horse meat. The gators are sick, but not transmitting between each other. What stage is this in?

A

Stage 2

29
Q

Which is NOT an example of an emerging disease?

A

A country where the disease is at a constant rate

30
Q

If rabies has a reproductive rate (R0=2), then what % of the cow pop needs to be vaccinated so disease will not spread?

A

50%

31
Q

You’re new at a vet clinic and to help, you plan escape routes etc. What is this an example of?

A

Prepardeness

32
Q

Who do you report internationally notifiable important diseases to?

A

World Animal Health Organization (OIE)

33
Q

What is true about states and notifiable diseases?

A

Something about states and includes USDA list?

34
Q

What is true about surveillance?

A

Passive surveillance has selection bias? (something like that)

35
Q

Information bias, which is true?

A

Both factors something or another

36
Q

What is the first thing you do when you have been called out to investigate an outbreak?

A

Confirm there is an outbreak

37
Q

Which is not integral to a food source?

A

Cryptosporidium spp.

38
Q

What is the most likely vector of Vibrio cholerae?

A

Water

39
Q

What is NOT true about Norovirus?

A

It produces an endotoxin to mediated disease?

40
Q

What does it mean when an animal carcasses has restrictions?

A

It can be used for human consumption after being treated (cooked or frozen)

41
Q

What is SAFE for human consumption from a 3 year old cow according to SRMs? (specified risk materials)

A

Brain? № (Idk, but the choices were brain tonsils, distal ileum, all wrong)

42
Q

A dog is bit by a raccoon, but it has been confirmed that he is up to date on his rabies vaccine. Next step?

A

Treat the wounds

43
Q

Stray kitten found, already bit the owner twice, observed neurological deficits upon physical exam. Next step?

A

Euthanize immediately and send for testing

44
Q

A new compendium from 2009 requires:

A

All old layers to be replaced with new SE-free pullets and egg products pasterurized

45
Q

Which is true about egregious violations?

A

An inspector can immediately halt all slaughter if there is an egregious violation

46
Q

The best definition includes

A

Things that identify disease from non-disease

stuff epi (1 decks)

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