Which of the following substances is most likely to extend clotting time when administered?

Pharmacology MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Pharmacologymedical-mcqs › pharmacology
Published
29 Jul 2019
Last updated
28 May 2026

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Explanation

Among the listed options, aspirin (acetylsalicylic acid) is known to inhibit platelet function and prolong clotting time. Vitamin K promotes clotting, barbiturates and acetaminophen do not significantly affect clotting time.

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