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
Flexor digitorum profundus muscle nerve supply is 
Select and explain. 
A. Medial half by ulnar nerve, B. Medial half by median nerve, C. Lateral half by ulnar nerve, D. Lateral half byaradial nerve
A: Medial half by ulnar nerve
Answer: A: Medial half by ulnar nerve 
Explanation: -FDP nerve supply -medial half by ulnar nerve and lateral half by the anterior interosseous nerve- a branch of the median nerve. -reference: Textbook of anatomy ,Upper limb and thorax,Vishram Singh, 2nd edition, page no. 110