This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
Platelet Dens granules contain all except - 
Select and explain. 
A. ADP, B. 5-HT, C. Calsium, D. VwF
D: VwF
Answer: D: VwF 
Explanation: harshmohan textbook of pathology 7 th edition Platelet granules are released by the activated platelets .one of the platelet granules is dense bodies and their release liberates ADP ,ionic calcum ,5_HT,Histamine and epinephrine.VWF is synthesised by endothelial cells