Phlebotomy Technician Practice Exam (NCPT/CPT)

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Phenylketonuria tests are drawn from the heel within how many days of birth?

  1. 7

  2. 10

  3. 14

  4. 21

The correct answer is: 14

Phenylketonuria (PKU) tests, which screen for a rare genetic condition that can affect a baby's brain development, are typically drawn from the heel within 14 days of birth. This timing is important because early detection and treatment can prevent serious health problems. Options A, B, and D are all incorrect as they fall outside of this time frame and could potentially delay diagnosis and treatment if chosen. It is important for parents to be aware of this timeline and make sure their baby is tested within the recommended time frame.

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