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Antimicrobial Chemotherapeutic Agents

Antimicrobial Chemotherapeutic Agents
The scientist who first discovered the substance penicillin was

none of these
Alexander Fleming
Paul Ehrlich
Joseph Lister

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Antimicrobial Chemotherapeutic Agents
Interference mechanism of ciprofloxacin and norfloxacin is due to their action on

DNA function
protein synthesis
cell membrane function
cell wall synthesis

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Antimicrobial Chemotherapeutic Agents
Both penicillin and fluoroquinolones

bind to and inactivate a bacterial protein
inhibit the cross-linking of peptidoglycan
are inactivated by β-lactamase
must be transported into the cytoplasm in order to act

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Antimicrobial Chemotherapeutic Agents
Which of the following tests is used to determine the minimal lethal concentration?

All of these
Broth dilution test
Dilution susceptibility tests
Agar dilution test

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Antimicrobial Chemotherapeutic Agents
The nitrofurans differ from the antibiotics in that they

all of these
are antimicrobial drugs
do not occur naturally
occur naturally

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Antimicrobial Chemotherapeutic Agents
Chemotherapeutic agents must

prevent/destroy the activity of a parasite
leave unaltered the host's natural defense mechanisms
be able to come in contact with the parasite by penetrating the cells
All of these

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