ATI RN
ATI RN Pediatric Assessment 2022 Questions
Extract:
A 2-week-old infant
Question 1 of 5
A parent brings a 2-week-old infant to a clinic for a phenylketonuria rescreening blood test. The test indicates a serum phenylalanine level of 1 mg/dL (60.5 mcmol/L). The nurse reviews this result and makes which interpretation?
Correct Answer: B
Rationale: The correct answer is B: It is negative. At 2 weeks of age, a serum phenylalanine level of 1 mg/dL (60.5 mcmol/L) in an infant is within the normal range. This indicates that the infant does not have phenylketonuria (PKU). The test result being negative means that the infant's phenylalanine metabolism is normal.
Choice A is incorrect because the result is clear and falls within the normal range.
Choice C is incorrect as rescreening is not necessary at this point due to the normal result.
Choice D is incorrect as a positive result would indicate elevated phenylalanine levels, which is not the case here.
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Question 2 of 5
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Question 3 of 5
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Question 4 of 5
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Question 5 of 5
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