FOCUS ON NURSING PHARMACOLOGY ANTIBIOTICS

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FOCUS ON NURSING PHARMACOLOGY ANTIBIOTICS

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2024/2025

Institution Pharmacology

Course Pharmacology

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Antibiotics are a class of drugs used to treat bacterial infections by either killing bacteria (bactericidal) or inhibiting their growth (bacteriostatic). They are not effective against viral, fungal, or parasitic infections. In nursing pharmacology, understanding the classification, mechanism of action, and appropriate use of antibiotics is essential to prevent resistance and ensure patient safety. Antibiotics are grouped based on their chemical structure and mode of action, including classes such as penicillins, cephalosporins, macrolides, tetracyclines, aminoglycosides, fluoroquinolones, sulfonamides, and carbapenems. Each class targets specific bacterial functions, such as cell wall synthesis, protein synthesis, or DNA replication. Nurses play a vital role in monitoring therapeutic responses, educating patients on completing the full course of antibiotics, recognizing signs of allergic reactions or adverse effects, and preventing drug resistance through proper administration and adherence to infection control measures. Awareness of drug interactions, renal or hepatic considerations, and special populations (e.g., pediatrics, pregnancy) is also critical in antibiotic therapy.

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FOCUS ON NURSING PHARMACOLOGY –
ANTIBIOTICS: AMINOGLYCOSIDES
Actual Questions and Answers
Expert-Verified Explanation
This Exam contains:
✪ 50 Questions and Answers
✪ Multiple-choice and True/False Format
✪ Expert-Verified Explanations
✪ Verified with Trusted Textbooks

1. What type of bacteria do aminoglycosides primarily target?

A. Gram-positive anaerobes
B. Gram-negative aerobic bacilli
C. Fungi
D. Parasites
Answer: B
EXPLANATION: Aminoglycosides are bactericidal antibiotics effective against serious
infections caused by gram-negative aerobic bacilli.

2. Which of the following is an aminoglycoside antibiotic?

A. Ciprofloxacin
B. Gentamicin
C. Amoxicillin
D. Erythromycin
Answer: B
EXPLANATION: Gentamicin is a commonly used aminoglycoside effective against various
gram-negative bacteria.

3. TRUE or FALSE: Aminoglycosides are bacteriostatic antibiotics.

Answer: FALSE
EXPLANATION: Aminoglycosides are bactericidal, meaning they kill bacteria directly.

4. What is the mechanism of action of bacteriostatic antibiotics?

, A. Destroy bacterial DNA
B. Prevent bacterial growth
C. Break down the cell wall
D. Stimulate immune response
Answer: B
EXPLANATION: Bacteriostatic antibiotics inhibit bacterial replication but do not directly kill
the bacteria.

5. What is the mechanism of action of bactericidal antibiotics?

A. Inhibit protein synthesis
B. Suppress immune function
C. Kill bacteria directly
D. Promote bacterial mutation
Answer: C
EXPLANATION: Bactericidal antibiotics directly destroy bacteria, which is essential in
treating severe infections.

6. Which bacteria is commonly treated with aminoglycosides?

A. Pseudomonas aeruginosa
B. Lactobacillus
C. Mycoplasma
D. Streptococcus pneumoniae
Answer: A
EXPLANATION: Aminoglycosides are highly effective against Pseudomonas aeruginosa, a
gram-negative pathogen.

7. Aminoglycosides are often used when:

A. Penicillin is the first-line treatment
B. The infection is mild
C. Penicillin is contraindicated
D. Topical therapy is preferred
Answer: C
EXPLANATION: Aminoglycosides are reserved for severe infections or when penicillin cannot
be used.

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Uploaded on: July 1, 2025
Number of pages: 12
Written in: 2024/2025
Type: Exam (elaborations)
Contains: Questions & answers

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