A 20-year-old recently diagnosed with lactose intolerance eats an ice cream cone and develops diarrhea. This diarrhea can be classified as _____ diarrhea

a. osmotic
b. secretory
c. hypotonic
d. motility


ANS: A
A nonabsorbable substance in the intestine leads to osmotic diarrhea. Infections lead to secretory diarrhea. Hypotonic diarrhea is not a form of diarrhea. Food is not mixed properly, digestion and absorption are impaired, and motility is increased leading to motility diarrhea.

Health Professions

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