Consider the following steps and choose option which have a…

Biology Body Fluids and Circulation Skill Builder Single Correct MCQ

Published on: August 21, 2026

Consider the following steps and choose option which have all correct statement.

Formation of fibrins by the conversion of inactive fibrinogens in the plasma is done by the enzyme thrombin
, , ,

Prothrombin is the precursor of thrombin which is secreted by thrombocytes
, , ,

Thrombocytes releases certain factors which activates the mechanism of coagulation
and and and (E)

Blood exhibits coagulation or clotting in response to an injury or trauma
(E) Role of calcium ions in clotting is insignificant. and (E)

Text Solution

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The correct answer is:

Calcium ions play a very important role in clotting. Prothrombin is secreted by prothrombinase.

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