This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
[{'content': 'All are elevators of mandible except \nSelect and explain. \nA. Temporalis, B. Medial pterygoid, C. Masseter, D. Digastric', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Digastric muscle has two bellies united by an intermediate tendon ORIGIN- a.Anterior belly from digastric fossa of mandible b.Posterior belly from mastoid notch of temporal bone INSEION-Both heads meet at the intermediate tendon which perforates SH and is held by a fibrous pulley to the hyoid bone NERVE SUPPLY- a.Anterior belly by nerve to mylohyoid b.Facial nerve ACTIONS- a. Depress mandible when mouth is opened widely or against resistance; it is secondary to lateral pterygoid b.Elevates hyoid bone Ref BDC volume 3,sixth edition pg 132', 'role': 'assistant'}]