Choose the best description of the duodenum.

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Gastrointestinal System Nursing Exam Questions Questions

Question 1 of 5

Choose the best description of the duodenum.

A. Mucosa with crypts and villi; epithelium with scattered goblet cells; lamina propria with occasional lymph nodules; submucosa unspecialized B. Mucosa with crypts but no villi; epithelium with scattered goblet cells; lamina propria with occasional lymph nodules; submucosa unspecialized C. Mucosa with both crypts and villi; epithelium with scattered goblet cells; lamina propria with occasional lymph nodules; submucosa with mucous glands D. Mucosa with both crypts and villi; epithelium with scattered goblet cells; lamina propria packed with mucous glands; submucosa with numerous lymph nodules

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 2 of 5

In which region(s) of the GI tract are there tubular mucous glands in the mucosa?

A. upper esophagus B. cardiac and pyloric stomach C. duodenum D. ileum

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 3 of 5

Gastric glands are located:

A. in the mucosa of the stomach B. in the submucosa of the stomach C. in the serosa of the stomach D. deep to the stomach wall proper

Correct Answer: A

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 4 of 5

The principal secretory product for cells of Brunner's (duodenal) glands is:

A. acid mucus B. alkaline mucus C. proteolytic and other digestive enzymes D. lysosomal enzymes

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 5 of 5

Enteroendocrine cells, an inconspicuous but important epithelial cell type, occur:

A. only in the stomach (especially its pyloric region) B. only in the small intestine C. only in the colon D. mainly in the stomach (especially its pyloric region) and in the small intestine, but also elsewhere along the GI tract (and also along respiratory passages)

Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

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