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ATI LPN · Anatomy and Physiology · 20 Questions About The Digestive System With Answers

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

What is the name of the cells that secrete hydrochloric acid into the stomach?

A. Gastric pits

B. Chief cells

C. Parietal cells

D. Enteroendocrine cells

Expert Explanatory Rationale

Correct Answer: Parietal cells

Question 2 of 5

The intracellular canaliculi of parietal cells, all true except:

A. Provides large surface area for ion pumps & ion transport.

B. H+ ion result from degradation of (H2CO3) by carbonic anhydrase

C. Carry ribosomes & continuous with rER around nucleus

D. Carry more microvilli when the cell is active in HCl secretion

Expert Explanatory Rationale

Correct Answer: Carry ribosomes & continuous with rER around nucleus

Question 3 of 5

When a person eats some egg white, protein and water enter the stomach. Which substances are found leaving the stomach and leaving the small intestine?

A. leaving the stomach: amino acids and water, leaving the small intestine: amino acids and water

B. leaving the stomach: fatty acids, glycerol, and water, leaving the small intestine: fatty acids, glycerol, and water

C. leaving the stomach: protein and water, leaving the small intestine: fatty acids and glycerol

D. leaving the stomach: protein, amino acids, and water, leaving the small intestine: water

Expert Explanatory Rationale

Correct Answer: leaving the stomach: amino acids and water, leaving the small intestine: amino acids and water

Question 4 of 5

Which of the following parts of the alimentary canal bears villi?

A. Stomach.

B. Ileum.

C. Oesophagus.

D. Rectum.

Expert Explanatory Rationale

Correct Answer: Ileum.

Question 5 of 5

Jaundice is a disorder of :

A. Skin and eyes

B. Digestive system

C. Circulatory system

D. Excretory system

Expert Explanatory Rationale

Correct Answer: Digestive system

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