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
[{'content': 'Autonomous zone of sensory supply by radial nerve is - \nSelect and explain. \nA. 1st dorsal web space, B. Tip of index finger, C. Tip of thumb, D. Tip of little finger', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., 1st dorsal web space Autonomous Zone of peripheral nerves:* Radial nerve: 1st dorsal web space of hand (Anatomical snuffbox)* Median nerve: Distal phalanx (tip) of index finger (2nd finger)# Other: Tip of thumb* Ulnar nerve: Distal phalanx (tip) of little finger (5th finger)* Common peroneal nerve/Common fibular nerve/External popliteal nerve/Lateral popliteal nerve: Central strip on dorsum of foot* Deep peroneal nerve: 1st dorsal web space* Posterior tibial nerve: Sole of foot* Sciatic nerve: Mixed pattern of Common peroneal nerve and Posterior tibial nerve", 'role': 'assistant'}]