Question

what does gastrin do?
o it stimulates the pancreas to secret bicarbonate - rich juices into the small intestine to maintain a slightly alkaline ph.
o it stimulates the pancreas to secret enzyme - rich juices to digest fats and proteins.
o it stimulates stomach glands to release the components of hydrochloric acid to maintain an acidic ph.
o it stimulates the gallbladder to secret bile into the duodenum to emulsify fats.

Explanation:

Gastrin is a hormone produced by G - cells in the stomach lining. Its main function is to stimulate the parietal cells in the stomach glands to release components that form hydrochloric acid, which helps in maintaining an acidic pH in the stomach for digestion. The other options describe functions of other hormones or processes.

Answer:

It stimulates stomach glands to release the components of hydrochloric acid to maintain an acidic pH.