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
Second branchial arch give rise to all of the following muscles, EXCEPT: 
Select and explain. 
A. Stapedius, B. Stylohyoid, C. Stylopharyngeus, D. Posterior belly of digastric
C: Stylopharyngeus
Answer: C: Stylopharyngeus 
Explanation: Second branchial arch give rise to muscles of facial expression, stylohyoid, posterior belly of digastric and stapedius. Third branchial arch give rise to stylopharyngeus muscle. Muscles derived from first branchial are:MasseterTemporalisMylohyoidAnterior belly of digastricTensor tympaniTensor veli palatiniLateral and medial pterygoidMuscles derived from 4th branchial arch:Inferior constrictor of pharynxCricothyroidMuscles derived from 6th branchial arch:All the intrinsic muscles of the larynx except cricothyroidAll the muscles of the pharynx except stylopharyngeusAll the muscles of palate except tensor palatiRef: Head and Neck Anatomy for Dental Medicine By Eric Baker,page 61