Test 2

Question 1

What bacteria is modern pasteurization 
A. Mycobacterium bovis
B. Coxiella burnetti
C. Tularemia 
C. Leptospirosis

Answer 1

B

Question 2

What does Coxiella burnetti cause
A. Q fever
B. Undulant fever
C. Malta fever
D. Tuberculosis

Answer 2

A
Non-specific febrile illness
May also present as atypical pneumonia or hepatitis
Abortion is pregnant
Chronic pleiomorphic symptoms: neurologic, endocarditis possibly chronic fatigue

Question 3

Which of the following is not a transmission route for mycobacterium bovis
A. Aerosol
B. Oral exposure to milk, feces, LN contents
C. Sexual
D. Percutaneous exposure

Answer 3

C

Question 4

True or false : there is an eradication program in the US for Coxiella burnetti

Answer 4

False

Question 5

True or False: cryptosporidium and Giardia are difficult to kill via filters or chlorine

Answer 5

True

Question 6

Which form of crypto is zoonotic 
A. C.parvum
B. C.hominis
C. C.bovis
D. C.muris

Answer 6

A

Cattle are the reservoir

Question 7

Which of the following  causes of bovine abortion are zoonotic 
A. Brucella abortus
B. Bovine virus diarrhea
C. Trichomonas foetus
D. Leptospira spp.
E. Coxiella burnetti
F. Aspergillus fumigatus
G. Listeria monocytogenes

Answer 7

A,D,E,G

Question 8

True or false : Intoxicatingly does not colonize the intestinal tract

Answer 8

True

Question 9

True or False Intoxication has a slow onset

Answer 9

False
Onset rapid
30min-6hours but can be up to 12 hours

Question 10

Which bacteria is not associated with intoxication
A. Staphylococcus aureus
B. Campylobacter jejuni
C. Bacillus cereus
D. Clostridium botulinum 
E. Clostridium perfingens

Answer 10

B

Associated with infection

Question 11

What is the reservoir of Staphylococcus aureus
A. Wild animals 
B. Water
C. Skin and nose of healthy people
D. GIT

Answer 11

C

Question 12

What is the reservoir of Bacillus cereus
A. Soil
B. Skin and nose of people 
C. Water
D. GIT

Answer 12

A

Gram positive soil dwelling rod shaped spore forming bacterium

Question 13

What are the two forms of Bacillus cereus

Answer 13

Enteric form: nausea and vomiting; incubation period 30min-6hr
Diarrhea form: diarrhea and cramping ; incubation 8-16 hours

Question 14

True or False: The infective dose of Clostridium botulinum is large

Answer 14

False
small
Onset 18-36 hours

Question 15

Which is not a research our of clostridium perfringens
A. Soil
B. Skin and nose of people
C. Sediments
D intestinal tracts of people and animals

Answer 15

B

Question 16

Which is not a reservoir for Campylobacter jejuni
A. Birds
B. Mammalian species
C. Intestinal flora of many species 
D. Soil

Answer 16

D

Question 17

True or False: Campylobacter is very fragile

Answer 17

True
Spiral shaped
Gram negative

Question 18

HUS (hemolytic uremic syndrome) is caused by 
A. Clostridium botulinum 
B. Salmonella Enteritidis 
C. Campylobacter jejuni
D. Escherichia coli

Answer 18

D
5-10%
Infection+ enterotoxin (Shiga toxin) production
Duration of symptoms 5-7 days

Question 19

What it is most common transmission of Vibrio cholerae
A. Food
B. Water

Answer 19

B
Water: most important
Foods: contaminated by water
Comma shaped gram negative bacterium

Question 20

True or False Listeria monocytogenes can replicate in as low as 3C

Answer 20

True
Vehicle is infected food
Gram positive
Mild food posioning, or flu-like symptoms

Question 21

Name the 3 classic milk borne bacteria

Answer 21

Coxiella burnetti
Brucella spp.
Mycobacterium bovis

Question 22

What disease can there only be 1 person affected
A. Salmonella
B. Listeria
C. E.coli

Answer 22

B

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