ANTIMICROBIAL CHEMOTHERAPEUTIC AGENTS QUIZ

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

cell membrane function

protein synthesis

cell wall synthesis

DNA function

TRUE ANSWER : ?
YOUR ANSWER : ?

A broad-spectrum antibiotic such as chloramphenicol is one that

kills numerous types of microbes

kills both Gram positive and Gram negative bacteria

kills all bacteria

kills all microorganisms

TRUE ANSWER : ?
YOUR ANSWER : ?

Who developed the concept of specific toxicity?

Ehrlich

Fleming

Pasteur

Watson

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following may cause resistance to penicillin?

All of these

Impermeability of cell envelope

Alteration or lack of penicillin-binding proteins

Production of β-lactamases by bacteria

TRUE ANSWER : ?
YOUR ANSWER : ?

The antibiotics not having good activity against Enterobacteriaceae is

ciprofloxacin

cefoxitin

clindamycin

trimethoprim-sulphamethoxazole

TRUE ANSWER : ?
YOUR ANSWER : ?

The penicillin resistant to β-lactamases is

ampicillin

closacillin

penicillin-G

carbenicillin

TRUE ANSWER : ?
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Vancomycin inhibits peptidoglycan synthesis by binding

amidase

alanine racemase

D-alanyl - D-alanine synthetase

D-alanyl - D-alanine

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is not an amino acid and peptide antibiotic?

Tetranactin

Bacitracin

Penicillin

Actinomycin

TRUE ANSWER : ?
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Chemotherapeutic agents must

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

prevent/destroy the activity of a parasite

leave unaltered the host's natural defense mechanisms

All of these

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YOUR ANSWER : ?

Fluoroquinolones are antibiotics which inhibit

DNA polymerase

Cross-linking of peptidoglycan

RNA polymerase

DNA gyrase

TRUE ANSWER : ?
YOUR ANSWER : ?