This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Congenital hypercoagulability state are seen in all of the following except 
Select and explain. 
A. Protein C deficiency, B. Protein S deficiency, C. Anti phospholipid antibody syndrome, D. MTHFR gene mutation
C: Anti phospholipid antibody syndrome
Answer: C: Anti phospholipid antibody syndrome 
Explanation: Ref Robbins 8/e p123; 9/e p 123 Antiphospholipid antibodies syndrome causes hypercoagulability: primary Secondary Primary mutation of factor 5 Anti thrombin 3 deficiency Protein C and S deficiency Fibrinolysis defects Secondary Homocysteine Tissue damage MI,DIC Antiphospholipid antibodies syndrome