Body Fluids and Circulation Question 83

83. Vitamin $K$ is required for

[1993]

(a) formation of thromboplastin

(b) conversion of fibrinogen to fibrin

(c) conversion of prothrombin to thrombin

(d) synthesis of prothrombin

Show Answer

Answer : d

Hints & Solutions

(d) Synthesis of prothrombin helps in coagulation of blood. Vitamin $K$ is required for the synthesis of prothrombin and blood clotting factors I, VII, IX and X.