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CNS Nutrition Specialist Exam Prep

Category - Certified Nutrition Specialist

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The Guthrie test is used to diagnose:

Galactosemia
Ornithine transcarboxylase deficiency
Glycogen storage disase
Phenylketonuria

Explanation

Answer: D - The Guthrie test is a blood assay used to diagnose phenylketonuria in newborn infants. It detects bacterial growth in an agar culture that is due to the presence of excess phenylalanine.

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