Exercise: Microorganisms And Disease

Questions for: Microorganisms And Disease

Which of the following is true regarding anthrax?
A:
Anthrax is caused by a virus
B:
Anthrax is highly contagious
C:
Inhalation anthrax and cutaneous anthrax are caused by separate strains of Bacillus anthracis
D:
Inhalation Anthrax requires infection with a large number of spores
Answer: D
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The nature of the poliovirus gives for oral vaccination (satin vaccine) as part of the eradication programme is
A:
heat killed virus
B:
live attenuated strains of all three immunological types
C:
small dosage of wild-type live viruses
D:
formalin-inactivated viruses
Answer: B
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A major difference between EHEC and EPEC is
A:
EHEC secretes a Shiga-like toxin and EPEC does not
B:
EHEC possesses a type III secretion system and EPEC does not
C:
EPEC rearranges host cell actin and EHEC does not
D:
EPEC passes through the placenta to infect the fetus and EHEC does not
Answer: A
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Plastic implants can pose a serious nosocomial infection problem because
A:
phagocytes have trouble moving on the plastic surface
B:
phagocytes have trouble engulfing bacteria embedded in a biofilm
C:
infected implants usually have to be surgically removed
D:
all of the above
Answer: D
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Which of the following characteristic of the Rotavirus was important for the construction of the Rotashield vaccine?
A:
The possession of a segmented RNA genome
B:
A limited number of capsule types
C:
The ability of monkey Rotavirus strains to cause serious illness (diarrhea) in human beings
D:
The ability of the Rotavirus to be transmitted faster
Answer: A
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