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
Dorsal scapular nerve supplies: 
Select and explain. 
A. Teres minor, B. Trapezius, C. Serratus anterior, D. Levator scapulae
D: Levator scapulae
Answer: D: Levator scapulae 
Explanation: Ans. D. Levator scapulaeThe dorsal scapular nerve arises from the brachial plexus, usually from the plexus root (anterior/ventral ramus) of the cervical nerve C5. Once the nerve leaves C5 it commonly pierces the middle scalene muscle, and continues deep to levator scapulae and the rhomboids.It provides motor innervation to the rhomboid muscles and levator scapulae muscle.