V_PBIO 8458 - Veterinary Public Health » Summer 2022 » Quiz 2 Lecture 3,4,5

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Question #1
The most common clinical sign of food poisoning from Staphylococcus aureus is:
A.   diarrhea
B.   high fever
C.   lymphadenopathy
D.   profuse vomiting
Question #2
Oral re-hydration would be ineffective for treatment of diarrhea caused by which agent(s):
A.   ETEC and EPEC
B.   Vibrio chlorea
C.   Enterotoxigenic E. coli (ETEC)
D.   Enteropathogenic E. coli (EPEC)
Question #3
Manifestations of Salmonella typhi infection may include all of the following EXCEPT:
A.   diarrhea seen early post infection
B.   development of maculopapular lesions on the abdomen
C.   chronic bacterial shedding
D.   high fever
Question #4
The common name for the condition enteritis necroticans caused by infection with Clostridium perfringens Type C is derived from this food source:
A.   chicken
B.   beef
C.   honey
D.   pork
Question #5
This is the leading bacterial cause of diarrhea illness in the US:
A.   listeria
B.   campylobacter
C.   salmonella
D.   norovirus
Question #6
Each of the following are true of Hepatitis A infection EXCEPT:
A.   can be spread by fecal contamination of food and water by asymptomatic carriers
B.   most infections in children younger than 6 are asymptomatic
C.   can sometimes lead to chronic infection
D.   is the only vaccine preventable foodborne illness
Question #7
Which is NOT TRUE concerning infections with Vibrio cholerae?
A.   Newer strains of the bacteria seem to cause more persistent infections
B.   Removal of the Broad Street water pump contributed to ending the Cholera epidemic in London in 1854
C.   The A-B toxins damage intestinal villi leading to leakage of fluid and electrolytes
D.   Oral rehydration with electrolytes can lead to recovery
Question #8
This is the most common setting where norovirus outbreaks are found.
A.   cruise ships
B.   child care settings
C.   school settings
D.   longterm care facilities
Question #9
All are true concerning Clostridium botulinum EXCEPT:
A.   the toxin is extremely potent with small amounts being lethal
B.   humans are most susceptible to serotypes A,B, E, and F
C.   produces a heat stable toxin
D.   the toxin blocks acetylcholine release form axons
Question #10
Which of the following is NOT TRUE concerning enterohemorrhagic E. coli (EHEC)?
A.   antibiotics may be contraindicated in treatment
B.   produces a Shiga like toxin that can lead to bloody diarrhea
C.   shedding by cattle tends to be highest during the winter
D.   Hemolytic Uremic Syndrome secondary to EHEC infection most commonly occurs in children

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