What types of organisms are quaternary ammonium compounds effective against?
A) Gram-positive bacteria
B) Gram-negative bacteria
C) Non-enveloped ("naked") viruses
D) Enveloped viruses
E) Both A and D
Correct Answer:
Verified
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Q15: All of the following should be considered
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Q19: Applying alcohol to open wounds is not
Q20: A chemical is used to clean the
Q21: A surfactant is a chemical that
A)breaks the
Q22: Phenols are most effective against
A)gram-positive bacteria.
B)gram-negative bacteria.
C)spores.
D)fungi.
Q23: Which is less inactivated by organic material?
A)Detergents
B)Quaternary
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