This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
Which of the following is a branch from the root of the brachial plexus? 
Select and explain. 
A. Nerve to subclavius, B. Suprascapular nerve, C. Dorsal scapular nerve, D. Anterior thoracic nerve
C: Dorsal scapular nerve
Answer: C: Dorsal scapular nerve 
Explanation: .