This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Facial Nerve And Its Disorders, Subject name: ENT
All the following muscles are innervated by facial nerve EXCEPT 
Select and explain. 
A. Occipito- frontalis., B. Anterior belly of digastric., C. Risorius., D. Procerus.
B: Anterior belly of digastric.
Answer: B: Anterior belly of digastric. 
Explanation: Ans. is 'b' i.e. Anterior belly of diagastric Anterior belly of digastric is supplied by nerve to mylohyoid (br. of mandibular)Muscles supplied by Facial N.All facial muscles except levator palpebrae superioris (it is supplied 3rd N)Post belly of Digastric StapediusStylohyoid Occipito frontalis Platysma Auricular musclesNote: Procerus and Risorius are muscles of face