This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': '1st pharyngeal arch gives rise to all except \nSelect and explain. \nA. Medial pterygoids, B. Levator veli palatini, C. Lateral pterygoids, D. Tensor veli palatini', 'role': 'user'}, {'content': "Answer: B \nExplanation: All soft palate muscles except tensor veli palatini are derived from the 4th pharyngeal arch and are supplied by vagal plexus. First pharyngeal arch gives rise to : Muscles of mastication (temporalis, masseter, lateral and medial pterygoids) Mylohyoid Anterior belly of digastric Tensor tympani Tensor veli palatini and Anterior 2/3rd of tongue. Ref: Langman's Medical embryology 13th edition PGno: 239", 'role': 'assistant'}]