Match List I with List II

Antibiotic groups	Antibiotic drugs
A. β-Lactam antibiotics	I. Ciprofloxacin
B. Nicotinic acid and derivatives	II. Azithromycin
C. Macrolide antibiotics	III. Cefuroxime
D. Quinolones	IV. Pyrazinamide

1. A

   A-IV, B-II, C-III, D-I

2. B

   A-III, B-IV, C-II, D-I

3. C

   A-III, B-I, C-IV, D-II

4. D

   A-III, B-I, C-IV, D-II

Appeared in: MNS 2024

Explanation

• The correct option aligns each antibiotic with its proper pharmacological class based on chemical structure.
• Cefuroxime is a second-generation cephalosporin, which belongs to the β-Lactam group of antibiotics.
• Pyrazinamide is a synthetic derivative of nicotinic acid, primarily used as a first-line antitubercular agent.
• Azithromycin is a well-known member of the macrolide antibiotic class, characterized by a large macrocyclic lactone ring.
• Ciprofloxacin is a fluoroquinolone, which is a major subgroup of the quinolone class of antibiotics.

Why Other Options Were Wrong

• Option A: This option incorrectly matches β-Lactam antibiotics with Pyrazinamide (a nicotinic acid derivative), Nicotinic acid with Azithromycin (a macrolide), and Macrolide antibiotics with Cefuroxime (a β-Lactam).
• Option C: This option incorrectly matches Nicotinic acid with Ciprofloxacin (a quinolone), Macrolide antibiotics with Pyrazinamide (a nicotinic acid derivative), and Quinolones with Azithromycin (a macrolide).
• Option D: This option is identical to option C and is therefore also incorrect. It incorrectly matches Nicotinic acid with Ciprofloxacin, Macrolide antibiotics with Pyrazinamide, and Quinolones with Azithromycin.

Related Visual

Clinical Relevance

• Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Classification of Antibiotics by Chemical Group as background academic context rather than a clinical decision trigger.
• Understanding antibiotic classes is fundamental for safe nursing practice, particularly for identifying potential allergies. For instance, a patient with a known penicillin allergy may have a cross-sensitivity reaction to cephalosporins (like Cefuroxime).
• Knowledge of these classes helps the nurse understand the rationale for drug selection, anticipate common side effects, and provide appropriate patient education.
• What if? If a patient is prescribed Cefuroxime but has a documented history of a severe anaphylactic reaction to Penicillin, the nurse must hold the medication and immediately contact the prescriber to clarify the order due to the high risk of cross-reactivity.

How to Approach the Question

• First, carefully read the two lists to understand the task: matching antibiotic classes (List I) with specific drug names (List II).
• Begin by trying to classify the drugs you are most familiar with. For example, many students know Ciprofloxacin is a quinolone and Azithromycin is a macrolide.
• Match D (Quinolones) with I (Ciprofloxacin) and C (Macrolide antibiotics) with II (Azithromycin).
• Look at the answer options. Only option B contains both C-II and D-I. This strongly suggests B is the correct answer.
• To confirm, verify the remaining matches in option B: A-III (β-Lactam with Cefuroxime) and B-IV (Nicotinic acid with Pyrazinamide).
• Recall or confirm that Cefuroxime is a cephalosporin (a β-lactam) and Pyrazinamide is an antitubercular drug derived from nicotinic acid. Since these are correct, you can confidently select option B.

Concept Tested & Keywords

• Concept Tested: Classification of Antibiotics by Chemical Group
• Stem keywords: β-Lactam antibiotics, Nicotinic acid and derivatives, Macrolide antibiotics, Quinolones, Ciprofloxacin, Azithromycin, Cefuroxime, Pyrazinamide
• Lead-in keywords: Match List I with List II
• Negative lead-in flag: false

Question ID

QT-CbRiTDOVuNnitbvw4M2

Copy ID

Reference Book

E6 Pharmacology KD Tripathi Essentials 9e Part 3 p. 19-21