This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper Extremity, Subject name: Anatomy
The anterior interosseous nerve is a branch of: 
Select and explain. 
A. Superficial branch of radial nerve, B. Deep branch of radial nerve, C. Median nerve, D. Ulnar nerve
C: Median nerve
Answer: C: Median nerve 
Explanation: Ans. C. Median nerveThe anterior interosseous nerve is a branch of the median nerve that supplies the deep muscles on the anterior of the forearm, except the ulnar (medial) half of the flexor digitorum profundus.It accompanies the anterior interosseous artery along the anterior of the interosseous membrane of the forearm, in the interval between the flexor pollicis longus and flexor digitorum profundus, supplying the whole of the former and the radial half of the latter, and ending below in the pronator quadratus and wrist joint.