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
[{'content': 'All are true about hemophilia, except \nSelect and explain. \nA. Increased Bleeding time (BT), B. Decreased factor VIII, C. Decreased factor IX, D. Increased paial thromboplastin time (PTT)', 'role': 'user'}, {'content': 'Answer: A \nExplanation: 343. Answer is A (Increased bleeding time): Haemophilia is a disorder of coagulation (bleeding time unaffected) affecting the intrinsic pathway (prothrombin time unaffected).', 'role': 'assistant'}]