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Animation: Three Phases of Gastric Secretion
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View the animation below, then complete the quiz to test your knowledge of the concept.

1Which of the following hormones does not inhibit gastric gland secretions?
C)gastric inhibitory peptide

2Which of the following does not occur during the gastric phase of gastric secretion?
A)Gastrin begins to be secreted by the lower part of the stomach.
B)Hydrochloric acid and pepsin secretion is stimulated in the upper and middle parts of the stomach.
C)Tactile sensation of food in the mouth sends nervous impulses to the medulla oblongata.
D)all of the above
E)none of the above

3Which of the following inhibits the secretion of the gastric glands?
A)duodenum pH of less than two
B)lipids in the stomach
D)A and B
E)A and C

4The medulla oblongata controls gastric secretion both by the parasympathetic branch of the nervous system and the endocrine system.

5Distention of the stomach activates has a direct stimulatory effect on the gastric glands.

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