This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Peripheral Nerve Injuries, Subject name: Orthopaedics
Foot drop results due to injury to - 
Select and explain. 
A. Tibial nerve, B. Common peroneal nerve, C. Anterior interosseus nerve, D. Posterior interosseus nerve
B: Common peroneal nerve
Answer: B: Common peroneal nerve 
Explanation: Ans. is 'b' i.e., Common peroneal nerve * Foot drop: Common peroneal nerve injury* Wrist drop: Radial nerve injury* Ape thumb: Median nerve injury* Claw hand: Ulnar nerve injury* Froment's sign: Ulnar nerve injury