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
Muscle of third arch ? 
Select and explain. 
A. Tensor tympani, B. Stylopharyngeus, C. Cricothyroid, D. None
B: Stylopharyngeus
Answer: B: Stylopharyngeus 
Explanation: Ans. is 'b' i.e., Stylopharyngeus Stylopharyngeus is the muscle of 3rd pharyngeal arch.