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The test used to diagnose phenylketonuria is
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VPR
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Blood sample
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Guthrie test
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Genotype
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The Guthrie test is used to diagnose phenylketonuria (PKU), a genetic disorder that affects the body's ability to break down the amino acid phenylalanine. This test involves taking a blood sample from a newborn baby and testing it for high levels of phenylalanine. If the levels are elevated, it indicates that the baby may have PKU and further testing and treatment are required. The other options listed (VPR, genotype) are not relevant to diagnosing PKU.
