ATI LPN
Chapter 15 The Gastrointestinal System Review Questions Questions
Question 1 of 5
Which of the following regions of the GI tract is characterized by permanent folds (plica)?
Correct Answer: C
Rationale: Plicae circulares are permanent folds in the small intestine.
Question 2 of 5
Which of the dimensions is about 1-2 millimeters?
Correct Answer: A
Rationale: The stomach wall is 1-2 mm thick; mucosa is thinner, cells are in microns.
Question 3 of 5
The epithelial cells lining striated intralobular ducts:
Correct Answer: D
Rationale: All features support ion transport and secretion modification.
Question 4 of 5
The principal function for most surface epithelial cells in the small intestine (enterocytes) is:
Correct Answer: D
Rationale: Enterocytes primarily absorb nutrients via microvilli.
Question 5 of 5
Which of the following connective tissue cell types is not typical of lamina propria?
Correct Answer: D
Rationale: Adipocytes are rare in lamina propria, which is rich in immune cells.