This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Peripheral Nerve Injury, Subject name: Orthopaedics
Barjinder, a 65-yr. old male came to you with shoulder pain and limited range of motion after a fall on an outstretched hand. X-ray given below. Which of the following is/are most likely to be injured? 
Select and explain. 
A. Radial nerve, B. Ulnar nerve, C. Axillary nerve, D. Median nerve
C: Axillary nerve
Answer: C: Axillary nerve 
Explanation: Axillary Nerve - Supplies Teres minor & deltoid - Sensation: upper arm - Regimental Badge area- Loss of sensation - Known as Regimental badge Sign - Damaged due to: 1. Shoulder dislocation 2. Fracture of upper end of Humerus 3. Injection into deltoid muscle