Which statements belong in a comparison of the small and large intestines? Select all that apply.
AVilli increase the absorptive surface of the small intestine.✓ Correct
Villi add surface area for absorption.
BThe large intestine absorbs water and electrolytes.✓ Correct
Water and electrolytes are taken up in the large intestine.
CThe large intestine produces digestive enzymes.✗ Incorrect
Digestive enzyme production is not a function of the large intestine.
DThe duodenum is a division of the small intestine.✓ Correct
The duodenum is part of the small intestine.
EThe small intestine empties directly into the esophagus.✗ Incorrect
Its contents pass onward to the large intestine.
Answer
A. Villi increase the absorptive surface of the small intestine. · B. The large intestine absorbs water and electrolytes. · D. The duodenum is a division of the small intestine.
Rationale
The two intestinal regions have different roles and structures. The small intestine has an expanded absorptive surface, while the large intestine recovers water and electrolytes.
RememberSmall-intestinal surface features aid absorption; the large intestine recovers water.
Sources
Small & Large IntestineSEER Training Modules, National Cancer Institute · License: US government work (public domain) · Retrieved · Small Intestine; Large Intestine
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