Digestion and Absorption Question 94
94. Vitamin $K$ is required for
(a) change of prothrombin to thrombin
(b) synthesis of prothrombin
(c) change of fibrinogen to fibrin
(d) formation of thromboplastin
Show Answer
Answer : b
Hints & Solution
(b) Vitamin $K$ is also known as ‘antihaemorrhagic factor’. This vitamin is essential for the synthesis of prothrombin in liver cells which is essential for normal blood clotting. It is also synthesized by bacteria present in the colon.
