Which statement best describes assimilation after absorption?
Correct answer: D. Cells use absorbed nutrients for energy or growth
- A. Food is physically broken into smaller pieces
- B. Enzymes split food into simpler molecules
- C. Nutrients enter the intestinal blood or lymph
- D. Cells use absorbed nutrients for energy or growth
Explanation
Assimilation is the cellular use of absorbed nutrients for energy, repair, growth, or storage. Mechanical and chemical breakdown describe digestion, while movement into blood or lymph describes absorption.
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About Digestive System
The digestive system covers the structure and functions of the alimentary canal from mouth to anus, along with the liver, gallbladder and pancreas. It explains mechanical and chemical digestion, the action of major enzymes, absorption through intestinal villi, and how digestion differs from absorption and assimilation.
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40 free Digestive System MCQs from Anatomy and Physiology for Nursing, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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