The nurse is caring for a patient with a duodenal ulcer and is relating the patient's symptoms to the physiologic functions of the small intestine. What do these functions include? Select all that apply
A) Secretion of hydrochloric acid (HCl)
B) Reabsorption of water
C) Secretion of mucus
D) Absorption of nutrients
E) Movement of nutrients into the bloodstream
Ans: C, D, E
Feedback:
The small intestine folds back and forth on itself, providing approximately 7000 cm2 (70 m2) of surface area for secretion and absorption, the process by which nutrients enter the bloodstream through the intestinal walls. Water reabsorption primarily takes place in the large bowel. HCl is secreted by the stomach.
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