Paper II
2024 December (Supplementary) (2019 Scheme) · 100 marks · 180 min

Question

Assertion (A): Penicillin G is a broad-spectrum antibiotic. Reason (R): Broad-spectrum antibiotics are known to cause superinfections.

  • a) Both A and R are true, and R is the correct explanation of A
  • c) A is true, but R is false
  • b) Both A and R are true, and R is not the correct explanation of A
  • d) A is false, but R is true
Qxix1 marksMCQs

Answer

Correct answer: d) A is false, but R is true

A is false — Penicillin G is a narrow-spectrum antibiotic, active predominantly against Gram-positive organisms, Neisseria, and Treponema pallidum, not the broad Gram-negative and Gram-positive coverage “broad-spectrum” implies. R is a true, independent statement: broad-spectrum antibiotics (e.g. tetracyclines, fluoroquinolones) are indeed known to cause superinfections by disrupting normal protective flora, but this true fact does not make A true.

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