Why does someone who has lactose intolerance have gastrointestinal problems, such as abdominal distension, gas, cramping, and diarrhea?

A. The lactose is an irritant to the stomach.
B. The lactose in the small intestine neutralizes enzyme action.
C. The undigested lactose in the intestine draws water and bacteria.
D. The presence of lactose in the small intestine causes the gall bladder to contract more forcefully.


Ans: C. The undigested lactose in the intestine draws water and bacteria.

Nutritional Science

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