This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb, Subject name: Anatomy
Nerve supply of rhomboides major 
Select and explain. 
A. Spinal accessory nerve, cranial pa, B. Spinal accessory nerve, spinal pa, C. Dorsal scapular nerve, D. Thoracodorsal nerve
C: Dorsal scapular nerve
Answer: C: Dorsal scapular nerve 
Explanation: Dorsal scapular nerve arising from the nerve root C5 supplies both rhomboides major and minor. Rhomboides major retract the scapula. B D Chaurasia 7th edition Page no : 65