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
Primary hemostasis is disturbed in 
Select and explain. 
A. Platelet disorder, B. lupus anticoagulant, C. hemophilia, D. Liver disease
A: Platelet disorder
Answer: A: Platelet disorder 
Explanation: None