A parent of a newborn asks the nurse why a heel stick is being done on the baby to test for phenylketonuria (PKU). Which response by the nurse is the most appropriate?
1. "This screening is required and detection can be done before symptoms develop."
2. "The infant has high-risk characteristics."
3. "Because the infant was born by cesarean, this test is necessary."
4. "Because the infant was born by vaginal delivery, this test is recommended."
Correct Answer: 1
Rationale: Screening for phenylketonuria is required by law in every state. It is not done according to high-risk characteristics or type of delivery.
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