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
Spontaneous muscle bleeding is typically seen in: 
Select and explain. 
A. Hemophilia, B. Afibrinogenemia, C. Von Willebrand's disease, D. Scott's syndrome
A: Hemophilia
Answer: A: Hemophilia 
Explanation: Answer is A (Hemophilia) Spontaneous Hemahrosis and spontaneous muscle hematomas are charachteristic of moderate or severe congenital factor VIII or IX deficiency (Hemophilia). Spontaneous bleeding may also be seen in Afibrinogenemia, Von willebrand disease and Scott's syndrome (defect in platelet's activated surface that promotes thrombin formation), but it is most charachteristic (Hallmark) of Hemophillia or factor VIII & IX Deficiency. -