Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Epi > Exam 2 > Flashcards

Exam 2 Flashcards

(93 cards)

Start Studying
1
Q

Pathogen outbreak with only 1 case

A

listeria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is true about trematodes?

A

accidental hosts can contract trematodes via percutaneous exposure in fresh water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

T/F: Giardia is killed by chlorine, but Cryptosporidium must be filtered

A

FALSE: both must be filtered

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Does the USDA regulate pasteurization of milk?

A

No, FDA regulates this

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

In which region of the US would you need to be aware of Yersinia pestis

A

Southwest

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Hantavirus can infect ____. How do humans get infected?

A

pet rodents

humans inhale aerosolized saliva, feces or urine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is a cause of sudden death in cattle?

A

Bacillus antracis- Anthrax

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Dispositions: TB reactors with ____ can be trimmed and passed w/ restrictions

A

few encapsulated cysts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Mitigation focuses on ____ term goals

A

long

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

How would a vet contract Leptospirosis?

A

exposure to urine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How would a vet contract West Nile Virus?

A

Via mosquitoes while working in the field

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

When would a vet be exposed to both Coxiella and Brucella?

A

when treating abortion storms at a farm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

T/F you don’t need to wear gloves for a necropsy

A

FALSE wear gloves

you don’t have to wear gloves for normal, healthy animals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Best way to reduce risk of contracting Toxocara?

A

give anthelminthics to dogs/cats

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What pathogen has an eradication program in place for cattle in the US?

A

Brucella abortus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

PSE meat most common in

A

pork

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

DFD meat is caused by

A

increased pH due to decreased glycogen stores antemortem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Hemolytic Uremic System (HUS) is seen in which pathogen?

A

E. coli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The most common cause of diarrhea in children worldwide is from what pathogen?

A

Rotavirus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

People infected with the Norovirus can continue to shed for

A

2 weeks post illness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What is the most likely source of foodborne intoxicant S. aureus?

A

skin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

How is Hepatitis A contracted?

A

fecal oral route

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Echinococcus granulosus causes what lesion in the intermediate host?

A

Hydatid: large, unilocular cysts in the tissue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

VEEV horses are ___ reservoirs in arboviral encephalitis

A

epizootic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Rodents are ___ reservoirs in arboviral encephalitis
enzootic
26
T/F: alcohol based cleansers are recommended due to frequency of organic materials
FALSE
27
What is the Codex Alimentarius & what does it do?
it is an intergovernmental body that determines food standards at an international level
28
T/F: A lady hosting a dinner using chickens from her back yard must take the chickens to an regulated slaughterhouse according to the PPIA
FALSE
29
What category of vet accreditation can a vet treat minks at a production farm?
Cat 1
30
Where are most cat bites located?
hands and arms
31
T/F: Barbituates are an approved method of humane slaughter
FALSE
32
T/F: Salmonella is a foodborne intoxicant
FALSE it is an infection
33
Two people that ate the same food are experiencing flaccid paralysis. What caused this?
Clostridium botulinum | HONEY
34
Determining human risk of WNV by testing horses and dead birds is an example of what type of surveillance?
Sentinel Surveillance
35
T/F: Brucella melitensis is the most pathogenic strain to humans
TRUE
36
There was an outbreak of dz in red squirrels in Cali. Now the same dz is showing up in brown squirrels in Colorado. This is an example of
an emerging dz
37
Brucellosis in raw milk is an example of
zoonosis
38
What are two components of pre-slaughter food safety?
on farm food safety | antemortem inspection
39
According to the rules for disposition, an animal found to have a generalized neoplasia will be
condemned
40
Why do downer cows get condemned immediately?
bc they are more likely to have BSE prions
41
If you are on call from Monday-Saturday and you are working 65-70 hrs per week, what is more likely to happen?
you are most likely to injure yourself
42
T/F: A goal of meat inspection is to make sure all animals on the farm are pathogen free
FALSE
43
Quarantining the whole flock after a dz outbreak is an example of
reducing contact potential
44
In VEEV, horses are a ____ host
reservoir host | not accidental
45
A guy in Texas wants to slaughter 10 of his cows and sell them to a small retail store in Michigan. He must abide by
regulations set by the Federal Meat Inspection Act (FMIA)
46
To reduce human exposure to Toxoplasma gondii:
clean litter box every day freeze pork >7 days cook thoroughly
47
Nematodes are almost always migratory during ___ stage
larval | -visceral most common with no CS
48
``` Largest emerging nematode VERY pathogenic neural and ocular tissue Dogs function as alternative host Raccoon roundworm ```
Baylisascaris procyonis
49
Echinococcus multilocularis reservoir
canids
50
Hydatid cyst
individual, large, fluid filled cyst in multiple tissues | liver and brain
51
Alveolar cyst
multiocular, small, solid cysts | liver and lungs
52
Vets exposed to what organism when tx abortion storm at farm
Coxiella & Brucella & Mycobacteria
53
Coxiella & Brucella are
cat B bioterrorism agents
54
____ problem in countries w/out pasteurization of milk or control programs in cattle
M. bovis
55
What happens to Brucellosis + goats
they are condemned while pigs/cattle can be slaughtered
56
Brucellosis in raw milk is an example of
true zoonosis
57
What has an eradication program in place for cattle in the US
Brucella abortus
58
90% of dairy cattle have
Coxiella burnetii
59
How to get rid of Cryptosporidium and Giardia?
FILTER both | difficult to kill with Cl
60
Transmission of Bacillus anthracis
cutaneous, ingestion, infected blood, inhalation
61
Transmission of Yersinia pestis
infected animal blood, abscess, rat flea bites | good bioterrorism agent because it is so easy to spread
62
Chlamydia psittaci
parrot fever | inhalation/contact
63
What is more pathogenic: WEEV or VEEV?
WEEV
64
Bartonella sp. causes what
cat scratch dz | actually from cat bites
65
Dermatophytosis
ringworm, fungal | self limiting
66
Most common reason for needle sticks
recapping needle
67
80% of cat bites become infected with
pasteurella
68
Risk factors for making mistakes in the vet field
new vets <5yr working >60hr/ week sleeping less 6 hrs a night
69
Risk based meat inspection
identify & evaluate foodborne dz risks develop risk management strategies measure effectiveness (dz burden) and adjust as needed
70
Goal of risk based meat inspection
to reduce the burden of dz in a population
71
Tuberculosis and Brucellosis are regulated dzs for meat inspections so this means
the infected tissue can be cut away and the rest passed with restrictions
72
HACCP prevents
contamination of food during processing | **concern with FOOD SAFETY
73
What does FMIA do?
ensure animals used for food are free of foodborne pathogens
74
Pre Slaughter Food Safety
- on farm food safety | - antemortem inspection
75
FMIA exceptions
slaughter own animals for self/guests retail dealers/stores that do NOT slaughter no mreat inspection required
76
DFD
chronic stress prior to slaughter DECREASED glycogen HIGH pH down graded & passed at inspection
77
PSE
pale soft exudative PORK condemned postmortem change
78
4 approved methods of slaughter
electricity, CO2, Captive bolt, Gunshot
79
What is not covered by humane livestock act
poultry | PPIA requires good commercial practice
80
Disposition is the
ultimate handling of a carcass or its parts according to current regulations
81
WNV: there is no evidence that human infection occurs from
handling dead/ill birds
82
HACCP has a 7 step program to
ensure safety of the public
83
Goal of meat inspection is to
have meat be foodborne pathogen free
84
USDA regulates
meat, poultry, catfish, eggs
85
FDA regulates
milk pasteurization, seafood, processed foods
86
Vx for Hepatitis A
reduces cases up to 90%
87
Most common foodborne illness worldwide
Norovirus- shed 2 weeks post illness
88
Pathogen found in rice
bacillus cereus
89
Botulism can cause an ____ with a single incident
outbreak
90
AKA cafeteria germ
Clostridium perfringens
91
Problem in BBQs, bird reservoir
Campylobacter jejuni
92
Unpasterized dairy pathogen
Listeria
93
What is the most pathogenic strain of brucella to humans? | In humans?
Brucella melitensis | Brucella abortus

Epi (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions