This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neck Triangles and parotid gland, Subject name: Anatomy
All of the following are the contents of occipital triangle, except 
Select and explain. 
A. Great auricular nerve, B. Lesser occipital nerve, C. Occipital aery, D. Suprascapular nerve
D: Suprascapular nerve
Answer: D: Suprascapular nerve 
Explanation: Suprascapular nerve is a branch from upper trunk of brachial plexus and is a content of subclan pa of posterior triangle not occipital triangle.