Introduction to Maternity and Pediatric Nursing 9th Edition Test Bank - The Newborn with a Perinatal Injury or Congenital Malformation Related

Review Introduction to Maternity and Pediatric Nursing 9th Edition Test Bank - The Newborn with a Perinatal Injury or Congenital Malformation related questions and content

The nurse explains that what is the optimal time for testing for phenylketonuria?

  • A. In the first 24 hours of life
  • B. After 2 to 3 days
  • C. At 4 to 6 weeks of age
  • D. At 2 months of age
Correct Answer: B

Rationale: Testing for phenylketonuria at 48 to 72 hours allows sufficient protein intake to reduce false-negative results.