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HEPA filters are used to remove microbes from


A) air.
B) liquids.
C) human tissues.
D) medical instruments.
E) All of the choices are correct.

F) None of the above
G) B) and C)

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Surfactants work by


A) coating the organism preventing interaction with its environment.
B) blocking transport into the organism.
C) blocking transport out from the organism.
D) disrupting membrane integrity.

E) A) and B)
F) A) and C)

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Pasteurization does not inactivate endospores or thermoduric microbes.

A) True
B) False

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Which is mismatched?


A) Iodophor - iodine
B) Sodium hypochlorite - chlorine
C) Merthiolate - silver
D) Benzalkonium chloride - quaternary ammonium compound
E) Formalin - formaldehyde

F) A) and E)
G) C) and D)

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