This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cranial Nerves, Subject name: Anatomy
[{'content': 'Which of the following reflexes test the integrity of nucleus ambiguus \nSelect and explain. \nA. Jaw jerk, B. Stapedial reflex, C. Gag reflex, D. Corneal reflex', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Nucleus ambiguus involves cranial nerves 9th, 10th & 11th . It involves the nerve supply to soft palate , larynx & pharynx which is involved in speech & swallowing. Gag reflex: Contraction of the constrictor muscle of the pharynx elicited by touching the back of the pharynx.', 'role': 'assistant'}]