Regurgitation of food back from stomach into oesophagus is prevented by
Correct Answer: All of the above
Description: Regurgitation of food back from stomach into oesophagus is prevented by: (i) tone of gastro-oesophageal sphincter, (ii) negative intrathoracic pressure, (iii) pinch-cock effect of diaphragm, (iv) mucosal folds, (v) oesophagogastric angle and (vi) slightly positive intra-abdominal pressure. Ref:- Dhingra; pg num:-341
Category:
ENT
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