Multiple choice

The enzyme produced in the duodenum is known as a significant brush border. This enzyme is _________________.

  1. secretin

  2. cholecystokinin

  3. gastric inhibitory peptide

  4. motilin

  5. lactase
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is a significant brush border enzyme.This enzyme decreases with age, and as such lactose intolerance is often a common abdominal complaint in the older population, manifesting with bloating, abdominal pain and osmotic diarrhea.

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