ANTIMICROBIAL CHEMOTHERAPEUTIC AGENTS QUIZ

Cycloserine inhibits

alanine racemase

D-alanyl - D-alanine synthetase

amidase

Both (a) and (b)

TRUE ANSWER : ?
YOUR ANSWER : ?

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

All of these

Agar dilution test

Dilution susceptibility tests

Broth dilution test

TRUE ANSWER : ?
YOUR ANSWER : ?

Amphotericin B and polymyxin interfere with

cell membrane function

DNA function

cell wall synthesis

protein synthesis

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Microfiltration

Dry heat sterilization

Autoclaving

Desiccation

TRUE ANSWER : ?
YOUR ANSWER : ?

Most antibiotics are isolated from

soil microorganisms

plants

viruses

aquatic microorganisms

TRUE ANSWER : ?
YOUR ANSWER : ?

The scientist who first discovered the substance penicillin was

none of these

Alexander Fleming

Paul Ehrlich

Joseph Lister

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is used only in life-threatening situations when no other drug is adequate?

Chloramphenicol

Tetracycline

Penicillin

Streptomycin

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following drugs involves modification of the drug by enzymatic modification or degradation of its active element to alter its/their resistance?

Pencillins

Choloramphenicol

Aminoglyosides

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Vancomycin inhibits peptidoglycan synthesis by binding

amidase

D-alanyl - D-alanine synthetase

D-alanyl - D-alanine

alanine racemase

TRUE ANSWER : ?
YOUR ANSWER : ?

The most selective antibiotics are those that interfere with the synthesis of

bacterial DNA

bacterial cell walls

bacterial RNA

bacterial plasma membrane

TRUE ANSWER : ?
YOUR ANSWER : ?

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