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
Anterior interosseous nerve supplies:- 
Select and explain. 
A. Brachioradialis, B. Flexor pollicis longus, C. Flexor carpi ulnaris, D. Flexor digitorum superficialis
B: Flexor pollicis longus
Answer: B: Flexor pollicis longus 
Explanation: Anterior interosseous nerve is a branch of median nerve and supplies the deep muscles of the anterior forearm: Flexor pollicis longus, pronator quadratus radial half of flexor digitorum profundus. Brachioradialis: Radial nerve Flexor carpi ulnaris: Ulnar nerve Flexor digitorum superficialis and Pronator teres: Median nerve.