This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper Extremity, Subject name: Anatomy
Median nerve supplies which branch to the brachial artery- 
Select and explain. 
A. Sensory branch, B. Sympathetic branch, C. Motor branch, D. None
B: Sympathetic branch
Answer: B: Sympathetic branch 
Explanation: Ans. is 'b' i.e., Sympathetic branch * 'Median nerve supplies vascular branches to the brachial artery in the arm. These fibres are sympathetic fibres'* Median nerve has no sensory or cutaneous branch in the arm. The only branches it gives off in the arm are sympathetic branches to the brachial artery.