Question

Explain two tests used for detection of lactose intolerance.

27 Jan 2026
Answer :
Word Count : 268
Lactose intolerance is commonly diagnosed using clinical tests that assess the body’s ability to digest and absorb lactose. Two widely used tests for its detection are the lactose tolerance test and the hydrogen breath test. The lactose tolerance test evaluates how effectively lactose is digested and absorbed in the small intestine. In this test, the individual is required to fast overnight and then consume a measured amount of lactose solution. Blood samples are collected at regular intervals to
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