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Pharmacology of Antimicrobials and Antibiotics

Description: This quiz covers the pharmacology of antimicrobials and antibiotics, including their mechanisms of action, spectrum of activity, and clinical uses.
Number of Questions: 15
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Tags: pharmacology antimicrobials antibiotics
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Which of the following is NOT a mechanism of action for antibiotics?

  1. Inhibition of cell wall synthesis

  2. Inhibition of protein synthesis

  3. Inhibition of nucleic acid synthesis

  4. Stimulation of the immune system


Correct Option: D
Explanation:

Antibiotics work by killing or inhibiting the growth of bacteria. They do this by interfering with essential bacterial processes, such as cell wall synthesis, protein synthesis, and nucleic acid synthesis. Stimulation of the immune system is not a mechanism of action for antibiotics.

Which of the following antibiotics is a beta-lactam?

  1. Penicillin

  2. Tetracycline

  3. Erythromycin

  4. Vancomycin


Correct Option: A
Explanation:

Beta-lactams are a class of antibiotics that contain a beta-lactam ring in their chemical structure. Penicillin is a beta-lactam antibiotic that is used to treat a wide range of bacterial infections.

Which of the following antibiotics is a macrolide?

  1. Penicillin

  2. Tetracycline

  3. Erythromycin

  4. Vancomycin


Correct Option: C
Explanation:

Macrolides are a class of antibiotics that contain a macrolide ring in their chemical structure. Erythromycin is a macrolide antibiotic that is used to treat a wide range of bacterial infections.

Which of the following antibiotics is a tetracycline?

  1. Penicillin

  2. Tetracycline

  3. Erythromycin

  4. Vancomycin


Correct Option: B
Explanation:

Tetracyclines are a class of antibiotics that contain a tetracycline ring in their chemical structure. Tetracycline is a tetracycline antibiotic that is used to treat a wide range of bacterial infections.

Which of the following antibiotics is a glycopeptide?

  1. Penicillin

  2. Tetracycline

  3. Erythromycin

  4. Vancomycin


Correct Option: D
Explanation:

Glycopeptides are a class of antibiotics that contain a glycopeptide ring in their chemical structure. Vancomycin is a glycopeptide antibiotic that is used to treat a wide range of bacterial infections.

Which of the following antibiotics is a broad-spectrum antibiotic?

  1. Penicillin

  2. Tetracycline

  3. Erythromycin

  4. Vancomycin


Correct Option: B
Explanation:

Broad-spectrum antibiotics are antibiotics that are effective against a wide range of bacteria. Tetracycline is a broad-spectrum antibiotic that is used to treat a wide range of bacterial infections.

Which of the following antibiotics is a narrow-spectrum antibiotic?

  1. Penicillin

  2. Tetracycline

  3. Erythromycin

  4. Vancomycin


Correct Option: A
Explanation:

Narrow-spectrum antibiotics are antibiotics that are effective against a narrow range of bacteria. Penicillin is a narrow-spectrum antibiotic that is used to treat a narrow range of bacterial infections.

Which of the following antibiotics is used to treat infections caused by Staphylococcus aureus?

  1. Penicillin

  2. Tetracycline

  3. Erythromycin

  4. Vancomycin


Correct Option: D
Explanation:

Vancomycin is an antibiotic that is used to treat infections caused by Staphylococcus aureus, including methicillin-resistant Staphylococcus aureus (MRSA).

Which of the following antibiotics is used to treat infections caused by Streptococcus pneumoniae?

  1. Penicillin

  2. Tetracycline

  3. Erythromycin

  4. Vancomycin


Correct Option: A
Explanation:

Penicillin is an antibiotic that is used to treat infections caused by Streptococcus pneumoniae, including pneumonia and meningitis.

Which of the following antibiotics is used to treat infections caused by Escherichia coli?

  1. Penicillin

  2. Tetracycline

  3. Erythromycin

  4. Vancomycin


Correct Option: B
Explanation:

Tetracycline is an antibiotic that is used to treat infections caused by Escherichia coli, including urinary tract infections and gastrointestinal infections.

Which of the following antibiotics is used to treat infections caused by Pseudomonas aeruginosa?

  1. Penicillin

  2. Tetracycline

  3. Erythromycin

  4. Vancomycin


Correct Option: D
Explanation:

Vancomycin is an antibiotic that is used to treat infections caused by Pseudomonas aeruginosa, including pneumonia and urinary tract infections.

Which of the following antibiotics is used to treat infections caused by Mycobacterium tuberculosis?

  1. Penicillin

  2. Tetracycline

  3. Erythromycin

  4. Isoniazid


Correct Option: D
Explanation:

Isoniazid is an antibiotic that is used to treat infections caused by Mycobacterium tuberculosis, including tuberculosis.

Which of the following antibiotics is used to treat infections caused by Chlamydia trachomatis?

  1. Penicillin

  2. Tetracycline

  3. Erythromycin

  4. Azithromycin


Correct Option: D
Explanation:

Azithromycin is an antibiotic that is used to treat infections caused by Chlamydia trachomatis, including chlamydia and trachoma.

Which of the following antibiotics is used to treat infections caused by Neisseria gonorrhea?

  1. Penicillin

  2. Tetracycline

  3. Erythromycin

  4. Ceftriaxone


Correct Option: D
Explanation:

Ceftriaxone is an antibiotic that is used to treat infections caused by Neisseria gonorrhea, including gonorrhea and pelvic inflammatory disease.

Which of the following antibiotics is used to treat infections caused by Treponema pallidum?

  1. Penicillin

  2. Tetracycline

  3. Erythromycin

  4. Doxycycline


Correct Option: D
Explanation:

Doxycycline is an antibiotic that is used to treat infections caused by Treponema pallidum, including syphilis and Lyme disease.

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