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: Anatomy
Popliteal artery is difficult to palpate because - 
Select and explain. 
A. It is not superficial, B. Does not pass over prominent bony structure, C. Superficial but does not pass over prominent bony structure, D. Not superficial & does not pass over prominent bony structure
D: Not superficial & does not pass over prominent bony structure
Answer: D: Not superficial & does not pass over prominent bony structure 
Explanation: None