This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Surgery
Site of IM injection without injuring any vessels or nerves 
Select and explain. 
A. Lower part of insertion of deltoid, B. Upper outer quadrant of buttock, C. Lower inner quadrant of buttock, D. Upper inner quadrant of buttock
B: Upper outer quadrant of buttock
Answer: B: Upper outer quadrant of buttock 
Explanation: (B) Upper outer quadrant of buttock