- A Secrete digestive enzymes directly into the gut lumen in general clinical practice
- B Propel the food bolus forward through peristalsis as frequently documented
- C Increase the surface area available for absorption of digested food
- D Store fat reserves within the intestinal wall in most reference accounts
Correct answer: C. Increase the surface area available for absorption of digested food
Explanation: Villi (finger-like projections) and microvilli (on individual epithelial cells) greatly increase the surface area of the small intestine, enhancing absorption of digested nutrients.
Concept context
The digestive tract, digestive enzymes, hormonal control of digestion, and liver function. High NEET weightage.