A deficiency in which of the following has been found to cause excessive bleeding?

Question

Quizplus · Accepted Answer

Vitamin K is necessary for the production of clotting factors in the liver, including prothrombin and factors VII, IX, and X. A deficiency in vitamin K can cause a decrease in the production of these clotting factors, leading to excessive bleeding. Fibrin, thrombin, vitamin E, and platelets are all involved in the clotting process, but deficiencies in these factors may not necessarily cause excessive bleeding.

A Deficiency in Which of the Following Has Been Found