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
Platelet function can be assessed by 
Select and explain. 
A. Prothrombin time, B. Fibrinogen degradation products, C. Clotting time, D. Bleeding time
D: Bleeding time
Answer: D: Bleeding time 
Explanation: Bleeding time is the time taken for bleeding to stop (time for platelet plug to form)
Bleeding time is a test of platelet function.