This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb, Subject name: Anatomy
Palmar interossei is supplied by 
Select and explain. 
A. Superficial branch of ulnar nerve, B. Deep branch of ulnar nerve, C. Superficial branch of medial nerve, D. Radial nerve
B: Deep branch of ulnar nerve
Answer: B: Deep branch of ulnar nerve 
Explanation: All palmar interossei are supplied by the deep branch of the ulnar nerve (C8, T1). Ref : B D Chaurasia's Human Anatomy, Seventh edition , volume 1 , pg. no, 124