Microorganisms and Disease
All infections do not cause fever and all fevers are not due to infections which of the following is an example of non-infections cause of fever?

Malaria
Chicken pox
Typhoid
Rheumatic disease

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Microorganisms and Disease
The influenza vaccine is administered each year because

mutations in the viral hemagglutinin may allow the virus to evade the immune response elicited by previous vaccines
the vaccine is sufficiently toxic to make it necessary to administer only a small amount at any one time
None of these
it is a polysaccharide vaccine that does not confer long-term protection

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Microorganisms and Disease
Prontosil is

not used as an antibacterial agent
an effective antibacterial both in animals as well as in in-vitro cultures
an effective antibacterial when used in animals
an effective antibacterial when used in in-vitro cultures

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

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

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