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
In deltoid paralysis, which nerve is involved -a) Circumflex Nb) Musculocutaneous Nc) Axillary Nd) Radial N 
Select and explain. 
A. ab, B. ac, C. ad, D. bc
B: ac
Answer: B: ac 
Explanation: Other name of axillary nerve is circumflex nerve.