ANTIMICROBIAL CHEMOTHERAPEUTIC AGENTS QUIZ

Which of the following drugs may show plasmid-mediated resistance?

Methicillin

Rifampicin

Nalidixic acid

Ampicillin

TRUE ANSWER : ?
YOUR ANSWER : ?

When using alcohol as an antiseptic, which concentration is considered most effective?

25%

95%

70%

50%

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Which of the following protein synthesis mechanisms may be affected by particular drugs?

mRNA translocation

Aminoacyl-tRNA binding

Peptide bond formation

All of these

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YOUR ANSWER : ?

Which of the following is not β-lactamase-resistant penicillin?

Methicillin

Oxacillin

Nafcillin

Carbenicillin

TRUE ANSWER : ?
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Amphotericin B and polymyxin interfere with

cell membrane function

protein synthesis

cell wall synthesis

DNA function

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following methods would be most appropriate for sterilizing an antibiotic solution?

Desiccation

Dry heat sterilization

Autoclaving

Microfiltration

TRUE ANSWER : ?
YOUR ANSWER : ?

Cycloserine inhibits

D-alanyl - D-alanine synthetase

alanine racemase

Both (a) and (b)

amidase

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YOUR ANSWER : ?

With which of the following aminoglycosides interfere?

Cell membrane function

Cell wall synthesis

Protein synthesis

DNA function

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YOUR ANSWER : ?

The antibiotics which affords a broad spectrum of antimicrobial coverage against aerobic and anaerobic bacteria, rickettsiae, chlamydiae, and mycoplasmas is

vancomycin

gentamicin

tetracycline

metronidazole

TRUE ANSWER : ?
YOUR ANSWER : ?

Vancomycin inhibits peptidoglycan synthesis by binding

D-alanyl - D-alanine

amidase

alanine racemase

D-alanyl - D-alanine synthetase

TRUE ANSWER : ?
YOUR ANSWER : ?

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