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12847 Anatomy

Which of the following is false about phases of swallowing

AOral phase: it's voluntary phase involving V, VII and XII nerve
BPharyngeal phase: is reflex and involuntary, chewing, breathing, coughing and vomiting concomitantly inhibited during this phase
CEosophageal phase: under voluntary neuromuscular control and involves peristalsis and relaxation phase. (Correct Answer)
DMovement of bolus posteriorly is controlled by IX and X nerve