This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Axillary nerve is a branch of which pa of brachial plexus ? 
Select and explain. 
A. Trunk, B. Medial cord, C. Lateral cord, D. Posterior cord
D: Posterior cord
Answer: D: Posterior cord 
Explanation: Supraclavicular branches of brachial plexus Branches of brachial plexus which are above the clavicle are called supraclavicular branches. These arise from roots and trunks.