This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nerves of Upper Extremity, Subject name: Anatomy
Which nerve is not related to humerus - 
Select and explain. 
A. Axillary, B. Radial, C. Ulnar, D. Musculocutaneous
D: Musculocutaneous
Answer: D: Musculocutaneous 
Explanation: Ans. is 'd' i.e., Musculocutaneous o Surgical neck of humerus is related to axillary nerve.o Radial nerve passes through spiral groove (radial groove) on posterior surface of humerus,o Uiner nerve passes just behind the medial epicondyle of humerus.