Absorption Quiz
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5 questions, one answer each
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1. What is absorption?
- A. Taking food into the mouth
- B. The movement of digested food molecules into the blood
- C. Breaking food into smaller pieces
- D. Removing undigested food from the body
2. Where is most water absorbed?
- A. The stomach
- B. The small intestine
- C. The colon
- D. The mouth
3. What is the main function of villi and microvilli?
- A. To produce digestive enzymes
- B. To increase the surface area for absorption
- C. To churn food physically
- D. To neutralise stomach acid
4. Which structure inside a villus absorbs fatty acids and glycerol?
- A. Capillary
- B. Lacteal
- C. Nucleus
- D. Mitochondrion
5. A section of small intestine has unusually flattened villi due to disease. What effect would this most likely have?
- A. Increased water absorption in the colon
- B. Reduced surface area, leading to reduced nutrient absorption
- C. Faster digestion of starch by amylase
- D. No effect on absorption