Choose the best description of the colon.

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Upper Gastrointestinal System NCLEX Questions Questions

Question 1 of 5

A. Mucosa with villi and short tubular invaginations; epithelium with many goblet cells; lamina propria with occasional lymph nodules; submucosa unspecialized B. Mucosa with short tubular invaginations but no villi; epithelium consisting entirely of goblet cells; lamina propria with occasional lymph nodules; submucosa unspecialized C. Mucosa with villi and short tubular invaginations; epithelium consisting entirely of goblet cells; lamina propria with occasional lymph nodules; submucosa unspecialized D. Mucosa with short tubular invaginations but no villi; epithelium with many goblet cells; lamina propria with occasional lymph nodules; submucosa unspecialized

Correct Answer: D

Rationale: The colon has no villi, with crypts and abundant goblet cells for mucus production.

Question 2 of 5

Minor salivary glands are mixed, secreting mainly mucus but also some serous product. Minor salivary glands are found:

A. in the cheeks (buccal glands) B. in the lips (labial glands) C. in the soft palate (palatine glands) D. all of the above

Correct Answer: D

Rationale: Minor salivary glands are distributed across all these oral locations.

Question 3 of 5

Which of the following â€œglandsâ€ is primarily a protected site for mitotic activity rather than a tissue specialized for secretion?

A. parotid salivary glands B. esophageal glands C. gastric (fundic) glands D. intestinal crypts (of LieberkÃ¼hn)

Correct Answer: D

Rationale: Crypts of LieberkÃ¼hn house stem cells for epithelial renewal.

Question 4 of 5

Contractile epithelial cells which, under autonomic neural control, help expel product from glandular acini and ducts are called:

A. myoepithelial cells B. mucous cells C. interlobular duct cells D. intralobular duct cells

Correct Answer: A

Rationale: Myoepithelial cells contract to aid secretion.

Question 5 of 5

The principal function for intestinal goblet cells is:

A. secreting digestive enzyme B. secreting one of several various hormones C. secreting mucus D. absorbing nutrients

Correct Answer: C

Rationale: Goblet cells secrete mucus for lubrication and protection.

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Choose the best description of the colon.

Nurselytic

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Upper Gastrointestinal System NCLEX Questions Questions

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