This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Physiology
Protein C activation causes 
Select and explain. 
A. Promotion of clothing, B. Inactivation of factor II, C. Activation of factor X, D. Inactivation of factor V
D: Inactivation of factor V
Answer: D: Inactivation of factor V 
Explanation: Binding of thrombin with thrombomodulin slow the clotting process by removing thrombin, the thrombomodulin-thrombin complex also activates a plasma protein, protein C, that actssnanticoagulant by inactivating activated Factors V and VIII.Ref: Guyton and Hall textbook of medical physiology 13th edition. Page: 489