A nurse is reviewing the results of laboratory screenings for a 9-month-old infant. Which of the following results should the nurse report to the provider?

Hemoglobin 12 g/dL

Iron 74 mcg/dL

Lead 18 mcg/dL

Hematocrit 35%

Answer and Explanation

The Correct Answer is C

A. A hemoglobin level of 12 g/dL is within the expected range for an infant.

B. An iron level of 74 mcg/dL is normal for a 9-month-old.

C. This is the correct answer. A lead level of 18 mcg/dL is elevated (≥5 mcg/dL is concerning) and should be reported, as lead toxicity can lead to neurological damage.

D. A hematocrit of 35% is within the expected range for an infant.

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Correct Answer is B

Explanation

A. Acetaminophen does not affect kidney function or contrast dye metabolism.

B. Metformin should be withheld 24-48 hours before and after contrast dye administration to reduce the risk of lactic acidosis, especially in clients with impaired renal function.

C. Atenolol, a beta-blocker, does not interfere with contrast dye.

D. Prednisone is not contraindicated in contrast studies unless the client has an allergy to the dye.

A. Influenza B. Hepatitis A C. Varicella D. Rotavirus

Correct Answer is D

Explanation

A. Influenza – The first dose of the influenza vaccine is recommended at 6 months, not 2 months.

B. Hepatitis A – Hepatitis A vaccine is typically given at 12-23 months, not at 2 months.

C. Varicella – The varicella (chickenpox) vaccine is given at 12-15 months, so it is not appropriate for a 2-month-old.

D. Rotavirus – This is the correct answer. The rotavirus vaccine is recommended at 2 months, 4 months, and possibly 6 months, depending on the vaccine brand used.

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A nurse is reviewing the results of laboratory screenings for a 9-month-old infant. Which of the following results should the nurse report to the provider?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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Correct Answer is D

Explanation

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