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Antibacterial Drugs: Features and Pharmacology Quiz

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Antibacterial Drugs: Features and Pharmacology Quiz

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Questions and Answers

What is the chemotherapeutic index?

The selective toxicity of antibacterial drugs

The lowest dose toxic to the patient divided by the dose typically used for therapy (correct)

The range of microorganisms killed or inhibited by an antimicrobial medication

The ability of an antimicrobial to cause allergic reactions

What term describes antimicrobial medications that kill only a limited range of microorganisms?

Bactericidal

Narrow-spectrum antimicrobial (correct)

Broad-spectrum antimicrobial

Bacteriostatic

What is the term for antimicrobial medications that kill a wide range of microorganisms?

Broad-spectrum antimicrobial (correct)

Narrow-spectrum antimicrobial

Bactericidal

Bacteriostatic

Which term describes the action of antimicrobials that inhibit the growth of microorganisms?

Bacteriostatic Signup and view all the answers

What adverse effect may occur when normal flora is killed by antimicrobials?

Suppression of normal flora Signup and view all the answers

What is the ideal characteristic of an antibacterial drug?

Selective target Signup and view all the answers

What is a common side effect of beta-lactam antibiotics?

Nausea Signup and view all the answers

Which class of antibiotics is relatively safe and well tolerated?

Fluoroquinolones Signup and view all the answers

What may tetracyclines cause over time?

Kidney damage Signup and view all the answers

What is the potential outcome of a combination of two antibacterial agents when they produce an additive effect?

1 + 1 = 2 Signup and view all the answers