This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Most common inherited thrombotic disorder is : 
Select and explain. 
A. Protein C deficiency, B. Protein S deficiency, C. Factor V leiden mutation, D. Prothrombin gene mutation
C: Factor V leiden mutation
Answer: C: Factor V leiden mutation 
Explanation: Answer is C (Factor V Leiden Mutation) Factor V Leiden mutation is the most common inherited thrombotic disorder Most common genetic cause for thrombophilia Factor V Leiden Most common congenital cause of venous thrombosis Factor V Leiden Most common hereditary blood coagulation disorder Factor V leiden