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
Small platelets on peripheral smear examination is seen in 
Select and explain. 
A. Von willebrand disease 2B, B. Gray platelet syndrome, C. Bernard soulier syndrome, D. Wiskott Aldrich syndrome
D: Wiskott Aldrich syndrome
Answer: D: Wiskott Aldrich syndrome 
Explanation: Small platelets  - wiskott Aldrich syndrome.
Giant platelets - Bernard soulier syndrome.