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
The presence of small sized platelets on the peripheral smear is characteristic of : 
Select and explain. 
A. Idiopathic thrombocytopenic purpura., B. Bernard Soulier syndrome, C. Disseminated intravascular coagulation, D. Wiskott Aldrich syndrome
D: Wiskott Aldrich syndrome
Answer: D: Wiskott Aldrich syndrome 
Explanation: . Wiskott Aldrich syndrome