+3 votes
in Mathematics by kratos

The stomach

A. Is responsible for absorbing about 10 per cent of the ingested food.

B. Contains mucosal cells containing high concentrations of carbonic anhydrase.

C. Peristaltic contractions start from the pyloric region.

D. Motility increases when *** enters the duodenum.

E. Relaxes when food is ingested so that there is little rise in intra-gastric pressure.

1 Answer

+3 votes
by kratos
 
Best answer

A. False Little food is absorbed in the stomach other than alcohol.

B. True This is needed to generate the H+ ions required for HCl secretion; carbonic anhydrase inhibitors reduce acid secretion.

C. False They begin at the other end, the fundus.

D. False *** in the duodenum inhibits gastric motility.

E. True This ‘receptive relaxation’ allows the stomach to store large volumes of food without discomfort.

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