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
Which of the following is a subcutaneous muscle? 
Select and explain. 
A. Sternocleidomastoid, B. Mylohyoid, C. Palmaris longus, D. Palmaris brevis
D: Palmaris brevis
Answer: D: Palmaris brevis 
Explanation: Palmaris brevisREF: Gray's anatomy 39th edition p. 919Subcutaneous muscles of body are:1. Platysma 2. Palmaris brevis 3. Daos muscle 4. Facial muscles