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: Pathology
Hemophilia: 
Select and explain. 
A. Affects males and females equally, B. Increased clotting time in all patients, C. Nerve blocks can be given safely, D. Is a congenital disorder
B: Increased clotting time in all patients
Answer: B: Increased clotting time in all patients 
Explanation: None