A child who weighs 16 pounds receives a prescription for amoxicillin 25 mg/kg/day by mouth in divided doses every 12 hours.

The bottle is labeled, "Amoxicillin for Oral Suspension, USP 200 mg per 5 mL.”. How many mL should the nurse administer with each dose? (Enter numerical value only.

If rounding is required, round to the nearest tenth.)

Answer and Explanation

The Correct Answer is ["2.3"]

Step 1 is to convert the child's weight from pounds to kilograms. 16 pounds ÷ 2.2 = 7.3 kg.

Step 2 is to calculate the total daily dose in mg. 25 mg/kg × 7.3 kg = 182.5 mg.

Step 3 is to determine the dose per administration, divided by 2 since the dose is given every 12 hours. 182.5 mg ÷ 2 = 91.25 mg.

Step 4 is to convert the dose from mg to mL using the concentration of the medication. 91.25 mg ÷ (200 mg/5 mL) = 91.25 ÷ 40 = 2.3 mL per dose. The answer is 2.3 mL.

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Correct Answer is D

Explanation

Choice A rationale

An audible murmur in a neonate with a ventricular septal defect (VSD) is a common finding and does not typically require immediate intervention. While it indicates a cardiac anomaly, it is not an emergency.

Choice B rationale

Fatigue after feedings in a neonate with patent ductus arteriosus (PDA) is a sign of increased cardiac workload, but it does not indicate an immediate life-threatening situation. It requires monitoring but not urgent intervention.

Choice C rationale

Elevated blood pressure in the upper extremity in a neonate with coarctation of the aorta is a concerning finding that indicates a narrowing of the aorta. While it requires prompt evaluation and management, it may not be as immediately critical as a hypercyanotic spell.

Choice D rationale

A neonate with Tetralogy of Fallot (TOF) experiencing hypercyanotic (Tet) spells and crying indicates a severe decrease in oxygenation and is an emergency. This condition requires immediate intervention to improve oxygenation and prevent complications such as brain damage or death. .

A. Give zidovudine 6 to 12 hours after birth. B. Administer antibiotics for 7 to 10 days. C. Delay the initial bath for 1 to 2 days. D. Encourage breastfeeding every 2 to 3 hours.

Correct Answer is A

Explanation

Choice A rationale

Giving zidovudine 6 to 12 hours after birth is crucial as it helps prevent mother-to-child transmission of HIV. Early administration of antiretroviral medication reduces the risk of the newborn acquiring HIV significantly.

Choice B rationale

Administering antibiotics for 7 to 10 days is not standard practice for newborns of HIV-positive mothers unless there is an indication of infection. The primary intervention is antiretroviral therapy.

Choice C rationale

Delaying the initial bath for 1 to 2 days is not standard practice for preventing HIV transmission. It is important to bathe the newborn shortly after birth to remove any potential HIV-containing fluids.

Choice D rationale

Encouraging breastfeeding every 2 to 3 hours is not advised for HIV-positive mothers as HIV can be transmitted through breast milk. Alternatives such as formula feeding are recommended to prevent transmission. .

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Naxlex Comprehensive Predictor Exams

The nurse who is working on a pediatric unit receives a shift report for four neonates with congenital heart defects. The neonate with which report requires the most immediate intervention?

Correct Answer is D

Explanation

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Correct Answer is A

Explanation

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