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Author Question: Food is moved down the esophagus via what process? a. Peristalsis b. Retropulsion c. Haustral ... (Read 50 times)

magmichele12

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on: Jun 25, 2018
Food is moved down the esophagus via what process?
 
  a. Peristalsis
  b. Retropulsion
  c. Haustral segmentation
  d. Defecation

Question 2

Which cells of the gastric glands secrete hydrochloric acid?
 
  a. Chief
  b. Parietal
  c. Zymogenic
  d. Surface epithelial


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zenzy

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: A
Swallowed food is moved from the esophagus to the stomach by peristalsis, not retropulsion. Haustral segmentation occurs in the small intestine. Defecation is the process of eliminating stool from the rectum.

Answer to Question 2

ANS: B
The parietal cells secrete hydrochloric acid. The chief cells secrete pepsinogen. Zymogenic cells do not secrete acid. Epithelial cells line the GI tract and do not secrete acid.


magmichele12

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Reply 2 on: Jun 25, 2018
Great answer, keep it coming :)

diana chang

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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