The reflex in which there is inhibition of gastric emptying when there is acid and hypertonic solution in the duodenum?
A. Enterogastric B. Gastroileal C. Gastrocolic D. Myenteric
ANSWER= A. Enterogastric
Explain:- The enterogastric reflex is one of the three extrinsic reflexes of the gastrointestinal tract, the other two being the gastroileal reflex and the gastrocolic reflex. The enterogastric reflex is stimulated by duodenal distension. It can also be stimulated by a pH of 3-4 in the duodenum and by a pH of 1.5 in the stomach. The main neural influence in gastric emptying is thought to be mediated via an inhibitory mechanism referred to as the enterogastric reflex. Fats, fatty acids, soaps, protein digestive products, acids, and hypertonic solutions in the small intestine inhibit motility.