Which prevents conversion of prothrombin to thrombin in an undamaged blood vessel?

Thromboplastin

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Fibrinogen

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Heparin

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Calcium

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Solution

The correct option is C Heparin
During blood clotting, prothrombin is converted into thrombin with the help of thrombokinase and calcium ions. Heparin is an anticoagulant, which prevents the conversion of prothrombin into thrombin.

So, the correct answer is 'Heparin'.

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Similar questions

(i)

(ii)

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T h r o m b i n - ----- \to

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Thromboplastin converts prothrombin in the plasma to thrombin. Which of the following aids this process?

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