A nurse is reviewing the laboratory results of four children. Which value should the nurse report to the provider?

Iron 38 mcg/dL.

RBC 4.9 million/mm.

WBC 10,000 cells/mm.

Lead 2 mcg/dL.

Answer and Explanation

The Correct Answer is D

The correct answer is Choice A

Choice A rationale: Iron 38 mcg/dL is below the normal range for children (50-120 mcg/dL). Low iron levels can indicate iron deficiency anemia, which requires medical evaluation and intervention to prevent complications such as developmental delays and decreased immunity.

Choice B rationale: RBC 4.9 million/mm is within the normal range for children (4.0-5.5 million/mm). This value does not indicate any abnormalities and does not require reporting to the provider. RBC count helps in assessing the overall red blood cell health and oxygen-carrying capacity.

Choice C rationale: WBC 10,000 cells/mm is within the normal range for children (5,000-10,000 cells/mm). This value is considered normal and does not indicate an infection or other condition needing immediate attention. WBC count is critical for evaluating the immune system's response to infection.

Choice D rationale: Lead 2 mcg/dL is within the acceptable range for children. The Centers for Disease Control and Prevention (CDC) considers lead levels less than 5 mcg/dL to be acceptable. Lead exposure can harm children's development, but this level does not necessitate immediate reporting

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Correct Answer is A

Explanation

Choice A rationale

The statement “Our car seat is an infant model and is anchored in the car” indicates a correct understanding of car seat safety. Infant car seats are specifically designed to protect infants during a collision. They are rear-facing seats, which is the safest position for an infant because it provides the most support for the infant’s head, neck, and spine. Anchoring the car seat in the car is crucial as it ensures the seat stays in place during a collision.

Choice B rationale

The statement “The car seat is rear-facing in the front passenger seat” is incorrect. It is not safe to place a rear-facing car seat in the front passenger seat of a vehicle. In the event of a collision, an airbag can deploy and hit the car seat, causing serious injury to the infant.

Choice C rationale

The statement “I can fit my hand between the baby and the car seat harness” is incorrect. The harness of a car seat should be snug against the baby’s body. If you can fit your hand between the baby and the harness, it means the harness is too loose, which can be dangerous in the event of a collision.

Choice D rationale

The statement “Our car seat is front-facing in the back seat” is incorrect. Infants should always be in a rear-facing car seat until they reach the highest weight or height allowed by their car safety seat’s manufacturer.

A. Petechiae B. Nausea C. Cyanosis D. Fever

Correct Answer is B

Explanation

Choice A rationale

Petechiae, or small red or purple spots on the skin caused by minor bleeding from broken capillary blood vessels, are an objective finding. They can be seen and evaluated by the nurse during a physical examination.

Choice B rationale

Nausea is a subjective symptom. It is something the patient experiences and reports, but it cannot be directly observed or measured by the nurse.

Choice C rationale

Cyanosis, or bluish discoloration of the skin due to poor circulation or inadequate oxygenation of the blood, is an objective finding. It can be observed by the nurse during a physical examination.

Choice D rationale

Fever is an objective finding. It can be measured by the nurse using a thermometer.

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A nurse is reviewing the laboratory results of four children. Which value should the nurse report to the provider?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is B

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