Microorganisms and Disease
Plastic implants can pose a serious nosocomial infection problem because

All of these
phagocytes have trouble engulfing bacteria embedded in a biofilm
infected implants usually have to be surgically removed
phagocytes have trouble moving on the plastic surface

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Microorganisms and Disease
A major difference between EHEC and EPEC is

EHEC possesses a type III secretion system and EPEC does not
EPEC passes through the placenta to infect the fetus and EHEC does not
EPEC rearranges host cell actin and EHEC does not
EHEC secretes a Shiga-like toxin and EPEC does not

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Microorganisms and Disease
Which of the following is true regarding anthrax?

Anthrax is highly contagious
Anthrax is caused by a virus
Inhalation Anthrax requires infection with a large number of spores
Inhalation anthrax and cutaneous anthrax are caused by separate strains of Bacillus anthracis

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