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Coagulation Cascade

The vitamin e...

Question

The vitamin essential for the synthesis of prothrombin is

A

Vitamin K

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B

Vitamin E

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C

Vitamin A

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D

Vitamin D

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Solution

The correct option is A Vitamin K
Prothrombin is a precursor of the clotting factor thrombin. Prothrombin forms thrombin in the cascade clotting reaction. It is produced in the liver cells in the presence of vitamin K.

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