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
Which is not true regarding Bernard soulier syndrome? 
Select and explain. 
A. Ristocetin aggregation is normal, B. Aggregation with collagen and ADP is normal, C. Large platelets, D. Thrombocytopenia
A: Ristocetin aggregation is normal
Answer: A: Ristocetin aggregation is normal 
Explanation: None