Gastrin,which Is Secreted by Certain Cells in the Stomach

question 17

Multiple Choice

Gastrin,which is secreted by certain cells in the stomach,

• A) inhibits the production of hydrochloric acid.
• B) increases the secretion by the gastric glands.
• C) changes pepsin into pepsinogen.
• D) initiates the cephalic phase of digestion.
• E) relaxes the stomach.

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Definitions:

Genetic Factors

Elements within an organism’s genes that can influence physical traits, behavior, and susceptibility to certain conditions.

Identical Twins

Twins that result from the splitting of a single fertilized egg, sharing the same genetic makeup.

Fraternal Twins

Twins that develop from two different eggs fertilized by two different sperm, making them genetically as similar as regular siblings.

Viral Theory

A scientific theory that explains the cause of certain diseases as being due to viruses, microorganisms that invade and replicate within living cells, leading to illness.