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
One of the following is a characteristic of Henoch -Schonlein Purpura: 
Select and explain. 
A. Blood in stool, B. Thrombocytopenia, C. Intracranial hemorrhage, D. Susceptibility to infection
A: Blood in stool
Answer: A: Blood in stool 
Explanation: Answer is A (Blood in Stools) : Blood in stool (melena) and hematemesis are characteristically seen in Henoch Scholein Purpura as a manifestation of vasculitis of abdominal viscera.