KROK 1 2023 – Question 122 · KROK (Medicine) · Physiology

Problems with the processes of lipid breakdown in small intestine are caused by disturbed lipase activity. What factor activates lipase?

  1. A. Bile acids
  2. B. Enterokinase
  3. C. Na⁺ salts
  4. D. Pepsin
  5. E. Hydrochloric acid
Hint

Pancreatic lipase acts only at the surface of tiny emulsified fat droplets; ask which secretion entering the duodenum breaks fat into such droplets and, together with colipase, lets the enzyme bind and work.

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