Which of the following does not enhance the absorptive effectiveness of the small intestine?

A) circular folds
B) villi
C) microvilli
D) intestinal movements
E) cilia


Answer: E

Anatomy & Physiology

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A family of peptides called ________ are released by the endothelium and are among the most potent vasoconstrictors known

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An intestinal hormone that stimulates mucus secretion by the submucosal duodenal glands and dilation of intestinal capillaries is

A) secretin. B) cholecystokinin. C) vasoactive intestinal peptide (VIP). D) gastric inhibitory peptide (GIP). E) gastrin.

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______ are masses of partially encapsulated lymphatic nodules in the pharynx

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