ANTIMICROBIAL CHEMOTHERAPEUTIC AGENTS QUIZ

Which of the following is a drug that interferes with the process of DNA production in the virus that causes genital herpes?

Erythromycin

Vancomycin

Acyclovir

Amantadine

TRUE ANSWER : ?
YOUR ANSWER : ?

Nystatin is a drug used for treatment of diseases caused by

gram positive bacterium

yeast

gram negative bacterium

protozoan

TRUE ANSWER : ?
YOUR ANSWER : ?

Most antibiotics are isolated from

viruses

soil microorganisms

aquatic microorganisms

plants

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the antibiotic is not used as a food preservative ?

Pimaricin

Tylosin

Nisin

β-lactam antibiotic

TRUE ANSWER : ?
YOUR ANSWER : ?

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

50%

70%

95%

25%

TRUE ANSWER : ?
YOUR ANSWER : ?

Chemotherapeutic agents must

leave unaltered the host's natural defense mechanisms

prevent/destroy the activity of a parasite

be able to come in contact with the parasite by penetrating the cells

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

tetracycline

metronidazole

vancomycin

gentamicin

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Peptide bond formation

mRNA translocation

All of these

Aminoacyl-tRNA binding

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is not an amino acid and peptide antibiotic?

Actinomycin

Tetranactin

Bacitracin

Penicillin

TRUE ANSWER : ?
YOUR ANSWER : ?

Cycloserine inhibits

D-alanyl - D-alanine synthetase

amidase

alanine racemase

Both (a) and (b)

TRUE ANSWER : ?
YOUR ANSWER : ?

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