A nurse is providing care to a 4-year-old child hospitalized with vomiting and suspected dehydration. The health care provider has prescribed ondansetron 0.5 mg/kg IV as a one-time dose. The safe dose is 5 mg/kg/dose. The child weighs 44 lbs. How many milligrams should the nurse administer? Round your answer to the nearest tenth if needed

Answer and Explanation

The Correct Answer is ["10"]

To calculate the dosage of ondansetron for the child, first convert the child's weight from pounds to kilograms, knowing that 1 kilogram equals 2.2 pounds. The child weighs 44 lbs, which is equivalent to 20 kg (44 lbs / 2.2 lbs per kg). The prescribed dose is 0.5 mg/kg, so you would multiply the child's weight in kilograms by the dose: 20 kg * 0.5 mg/kg = 10 mg. Since the safe dose is up to 5 mg/kg per dose and the child's weight is 20 kg, the maximum safe dose would be 100 mg (20 kg * 5 mg/kg). Therefore, the nurse should administer 10 mg, as it is within the safe dose range.

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Correct Answer is D

Explanation

A. Constipation can occur but is not a direct symptom of sickle cell crisis; it’s more related to hydration and diet.

B. High fever may occur due to infection, but it is not a guaranteed finding in every sickle cell crisis.

C. Bradycardia is not typically associated with sickle cell crisis; tachycardia is more common due to pain and stress.

D. Pain is the hallmark symptom of a sickle cell crisis due to vaso-occlusive episodes leading to ischemia and tissue damage.

A. Blood pressure B. Respiratory rate C. Skin integrity D. Body weight

Correct Answer is D

Explanation

A. Blood pressure can fluctuate and may not accurately reflect fluid loss in an infant, especially in early stages of dehydration.

B. Respiratory rate may increase with distress but is not a direct indicator of fluid loss.

C. Skin integrity can show signs of dehydration, but it is not as definitive as changes in body weight.

D. Body weight is the most reliable indicator of fluid loss, as it reflects changes in fluid status directly and provides a clear measure for assessing hydration.

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Naxlex Comprehensive Predictor Exams

A nurse is assessing a child who is in sickle cell crisis. Which of the following findings should the nurse expect?

Correct Answer is D

Explanation

A nurse in an emergency department is caring for an Infant who has a 2-day history of vomiting and an elevated temperature. Which of the following should the nurse recognize as the most reliable indicator of fluid loss?

Correct Answer is D

Explanation

A 6 year old child presents to the pediatric clinic with vesicular rash and honey crusted plaques around the nose and mouth. Which of the following statements by the parent indicates the need for further teaching?

A nurse is caring for a child with a urinary tract infection. Which of the following should the nurse include in teaching for the child and family? Select all that apply

The nurse is reviewing a health care provider's prescriptions for a child with sickle cell anemia who was admitted to the hospital for the treatment of vaso- occlosive crisis which prescription documented in the child's chart should the nurse question?

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In caring for a child with nephrotic syndrome, which intervention will be most important to be included in the child's plan of care?

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