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Inborn Errors of Carbohydrate Metabolism

Galactosemia

Deficiency of one of Three Enzymes

Galactose-1-phosphate uridyltransferase (GALT)

Galactokinase (GALK) uridine diphosphate galactose-4-epimerase (GALE)

Elevated blood and urine galactose

Clinical Features: Jaundice (400 µmol/L)

Caused by bilirubin

Easy Bruisability

Damaged veins/arteries

Galactosemia is a rare, hereditary disorder of carbohydrate metabolism that affects the body's ability to convert galactose to ______

glucose

Galactokinase (GALK) and uridine diphosphate galactose-4-epimerase (GALE) are two of the three enzymes involved in the deficiency of ______

galactose

Elevated blood and urine ______ is one of the clinical features of galactosemia

galactose

The infants with galactosemia are at risk of developing E. Coli ______

sepsis

Hereditary fructose intolerance is another inborn error of carbohydrate metabolism that results from the deficiency of ______

fructose-1,6-biphosphate

Inborn Errors of Carbohydrate Metabolism are a group of rare, congenital disorders that affect the body's ability to metabolize ______.

carbohydrates

Galactosemia is caused by a deficiency of the enzyme ______.

Galactose-1-phosphate uridyltransferase (GALT)

Fructose – 1,6 – Biphosphate Deficiency (FBP1) is a rare, hereditary disorder that affects the conversion of fructose-1,6-biphosphate to ______.

fructose-6-phosphate

Glycogen Storage Disease is a rare, congenital disorder that affects the metabolism of ______.

glycogen

Jaundice is a clinical feature of galactosemia that is caused by the accumulation of ______.

bilirubin

Test your knowledge on inborn errors of carbohydrate metabolism such as galactosemia, essential fructosuria, hereditary fructose intolerance, and glycogen storage disease. Learn about the rare, congenital hereditary disorders that affect the conversion of galactose to glucose and the deficiencies of specific enzymes. Take this quiz to enhance your understanding of these conditions.

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