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Which prevents conversion of prothrombin...

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

A

Heparin

B

Calcium ions

C

Thromboplastin

D

Fibrinogen

Text Solution

Verified by Experts

The correct Answer is:
A
Heparin inhibits coagulation by inactivating thrombin and preventing the conversion of fibrinogen to fibrin: Heparin also prevents the formation of stable fibrin clot in inhibiting the activation of the fibrin stabilizing factor.
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