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%
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Hold a vibrating tuning fork 1 to 2 cm (0.4 to 0.8 in) from the child's ears – This describes the Rinne test, not the Weber test.
B. Place a vibrating tuning fork on the top of the child's head – Correct. The Weber test assesses hearing loss by placing a tuning fork on the midline of the skull to determine if sound is heard equally in both ears.
C. Whisper a statement to the child from 0.6 m (2 feet) away – This describes the whisper test, not the Weber test.
D. Apply a pair of headphones securely over the child's ears – Not part of the Weber test; this is used for audiometry testing.
Correct Answer is D
Explanation
A. Potassium level – Valproic acid does not significantly affect potassium levels, so this is not a necessary baseline test.
B. Thyroid function tests – Valproic acid is not known to significantly impact thyroid function, making this an unnecessary test.
C. Uric acid level – Uric acid levels are more relevant for conditions like gout, and valproic acid does not typically cause hyperuricemia.
D. Liver function tests – This is the correct answer because valproic acid is metabolized in the liver and can cause hepatotoxicity. Baseline liver function tests (LFTs) should be reviewed before starting the medication to assess liver health.
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