A patient with vitamin K deficiency has normal levels of

Question

Quizplus · Accepted Answer

Fibrinogen levels would be normal in a patient with vitamin K deficiency because fibrinogen (Factor I) is not a vitamin K-dependent clotting factor. Vitamin K is essential for the γ-carboxylation of certain glutamate residues in factors II (prothrombin), VII, IX, and X, which is necessary for their coagulation activity. Fibrinogen, however, is synthesized independently of vitamin K status.

A Patient with Vitamin K Deficiency Has Normal Levels of