Lactose Intolerance and Galactosemia — MCQs

Fructose intolerance is due to deficiency of which enzyme?

A baby from a second degree consanguineous marriage presents with diarrhoea and redness in the perianal diaper area. What is the most likely diagnosis?

Galactosemia is due to deficiency of which enzyme?

A 6-month-old child presents with jaundice, hepatomegaly, and cataracts. What is the most likely diagnosis?

Most Common enzyme deficient in galactosemics:

Which of the following is not a reducing sugar?

Lactose intolerance in a suspected patient is diagnosed by giving an oral load and measuring concentrations of ?

A cataract formation in both eyes was discovered in a 1-year-old child during a routine well-child visit, with blood tests showing elevated galactose and galactitol levels. To determine which enzyme might be defective in the child, which intracellular metabolite should be measured?

In glycolysis, which of the following enzymes is not involved?

In glycolysis, inorganic phosphate is used in a reaction catalyzed by?