This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nerve supply, Nerve Lesions, Subject name: Anatomy
Upper lateral cutaneous nerve of arm is a branch of: 
Select and explain. 
A. Musculocutaneous nerve, B. Radial nerve, C. Ulnar nerve, D. Axillary nerve
D: Axillary nerve
Answer: D: Axillary nerve 
Explanation: Upper lateral cutaneous nerve of arm is a branch of Axillary nerve