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 B

Explanation

Choice A rationale

While routine follow-up is necessary, these findings suggest magnesium sulfate toxicity, requiring immediate attention beyond routine monitoring. Hence, this is not the correct action.

Choice B rationale

Although reporting abnormal findings to the healthcare provider is critical, not all findings are necessarily outside acceptable ranges. This choice lacks the specificity needed in this context, making it less appropriate.

Choice C rationale

Increasing primary IV fluids could help with low urine output but would not address potential magnesium toxicity, which is the primary concern indicated by the assessment. Therefore, it is not the correct conclusion.

Choice D rationale

The findings suggest magnesium toxicity, including decreased respirations, reduced urine output, and deep tendon reflexes. Close follow-up, including immediate medical intervention, is needed to manage this potential toxicity.

A. Type and cross for possible transfusion. B. Initiate an IV site and begin infusing normal saline. C. Monitor the child's vital signs frequently. D. Apply ice pack and compression dressing to knee.

Correct Answer is D

Explanation

Choice A rationale

Typing and crossmatching for a possible transfusion is not the immediate priority for a child with hemophilia who has a swollen knee. While a transfusion might be necessary if there is significant bleeding, initial management should focus on controlling the bleeding and minimizing joint damage.

Choice B rationale

Initiating an IV site and beginning infusing normal saline is not the first action to take in this scenario. While IV access might be needed later, immediate measures should focus on controlling bleeding and reducing swelling to prevent further damage to the knee joint.

Choice C rationale

Monitoring the child's vital signs frequently is important, but it is not the first action to take. The priority is to control the bleeding and reduce the swelling, which are the immediate concerns in this situation.

Choice D rationale

Applying an ice pack and compression dressing to the knee is the first action to take. This helps to control bleeding, reduce swelling, and minimize joint damage. This is a crucial step in managing hemophilia-related injuries and should be done immediately upon recognizing a swollen joint.

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Naxlex Comprehensive Predictor Exams

Correct Answer is B

Explanation

A child with hemophilia arrives at the clinic with a swollen knee after falling off a bicycle. Which action should the nurse implement first?

Correct Answer is D

Explanation

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