NEET UG BIOLOGY MCQ: BODY FLUIDS AND CIRCULATION

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What is the correct order or events occurring in blood clotting?
I. Conversion of fibrinogen to fibrin
II. Formation of clot
III. Thromboplastin formation
IV. Conversion of prothrombin to thrombin
Choose the correct option

View answer and explanation

Correct option: B

III, IV, I and II

Option B (III, IV, I and II) is correct because the correct sequence of events in blood clotting is: 1. Thromboplastin formation, 2. Conversion of prothrombin to thrombin, 3. Conversion of fibrinogen to fibrin, and 4. Formation of clot.

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