ANTIMICROBIAL CHEMOTHERAPEUTIC AGENTS QUIZ

Polyene antibiotics are

small ring structures

large ring structures

any of these

β-lactam - thiazolidine ring

TRUE ANSWER : ?
YOUR ANSWER : ?

Cycloserine inhibits

Both (a) and (b)

amidase

D-alanyl - D-alanine synthetase

alanine racemase

TRUE ANSWER : ?
YOUR ANSWER : ?

Vancomycin inhibits peptidoglycan synthesis by binding

alanine racemase

amidase

D-alanyl - D-alanine

D-alanyl - D-alanine synthetase

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not an example of potent antitumer agents?

Sibromycin

Anthramycin

Erythromycin

Neothramycin

TRUE ANSWER : ?
YOUR ANSWER : ?

The susceptibility of a microorganism to antibiotics and other chemotherapeutic agents can be determined by using

tube dilution technique

none of these

paper disk plate

both (a) and (b)

TRUE ANSWER : ?
YOUR ANSWER : ?

With which of the following aminoglycosides interfere?

DNA function

Protein synthesis

Cell wall synthesis

Cell membrane function

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Dilution susceptibility tests

All of these

Broth dilution test

Agar dilution test

TRUE ANSWER : ?
YOUR ANSWER : ?

The penicillin stable in gastric acid and suitable for oral administration is

carbenicillin

closacillin

methicillin

pencillin-G

TRUE ANSWER : ?
YOUR ANSWER : ?

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

gentamicin

tetracycline

metronidazole

vancomycin

TRUE ANSWER : ?
YOUR ANSWER : ?

The nitrofurans differ from the antibiotics in that they

are antimicrobial drugs

all of these

do not occur naturally

occur naturally

TRUE ANSWER : ?
YOUR ANSWER : ?

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