Microbial Chemotherapy Lecture Quiz
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Questions and Answers

Amoxicillin is an example of a penicillin with a narrow spectrum of activity.

False

Penicillins inhibit the formation of the cell membrane of bacteria.

False

Amoxicillin is primarily excreted through the liver.

False

Aminoglycosides like gentamicin are non-polar compounds.

<p>False</p> Signup and view all the answers

Gentamicin is commonly used to treat fungal infections.

<p>False</p> Signup and view all the answers

Resistance to penicillins can occur due to the breaking of the amino sugar ring by bacteria.

<p>False</p> Signup and view all the answers

Streptomycin irreversibly inhibits protein synthesis.

<p>True</p> Signup and view all the answers

Streptomycin can easily pass through cell membranes due to its high polarity.

<p>False</p> Signup and view all the answers

Nephrotoxicity caused by streptomycin is irreversible.

<p>False</p> Signup and view all the answers

Minocycline exerts its action through irreversible inhibition of protein synthesis.

<p>False</p> Signup and view all the answers

Tetracyclines, including minocycline, are not affected by food or metal ions during metabolism.

<p>False</p> Signup and view all the answers

Minocycline is contraindicated in children and pregnant women.

<p>True</p> Signup and view all the answers

Amoxicillin is derived from Penicillium chrysogenum.

<p>True</p> Signup and view all the answers

Gentamicin is a non-polar compound.

<p>False</p> Signup and view all the answers

Resistance to penicillins can occur due to the breaking of the beta-lactam ring by bacteria.

<p>False</p> Signup and view all the answers

Minocycline's action is through irreversible inhibition of protein synthesis.

<p>True</p> Signup and view all the answers

Amoxicillin has a broad spectrum of activity.

<p>True</p> Signup and view all the answers

Streptomycin can easily pass through cell membranes due to its high polarity.

<p>False</p> Signup and view all the answers

Streptomycin is absorbed when given parenterally due to its low polarity allowing for passage across membranes.

<p>False</p> Signup and view all the answers

Minocycline exerts its bacteriostatic action through reversible inhibition of protein synthesis.

<p>True</p> Signup and view all the answers

Streptomycin is primarily metabolized in the liver and eliminated unchanged through bile.

<p>False</p> Signup and view all the answers

Tetracyclines, including minocycline, are affected by food and metal ions during absorption and distribution.

<p>False</p> Signup and view all the answers

Photosensitivity is a common adverse effect associated with minocycline administration.

<p>True</p> Signup and view all the answers

Nephrotoxicity caused by streptomycin is irreversible even after discontinuation of the drug.

<p>False</p> Signup and view all the answers

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