A nurse is preparing to administer amoxicillin 80 mg/kg/day divided into two doses daily to a 2-year-old client who weighs 10 kg (22 lb) Available is amoxicillin suspension 400 mg/5 mL. How many mL of amoxicillin should the nurse administer per dose? (Round the answer to the nearest whole number.
Use a leading zero if it applies.
Do not use a trailing zero.)

8 mL

80 mL

10 mL

5 mL

Answer and Explanation

The Correct Answer is D

The correct answer is Choice D: 5 mL.

Choice A: 8 mL This choice suggests administering 8 mL of amoxicillin per dose. However, based on the child’s weight (10 kg) and the prescribed dosage (80 mg/kg/day divided into two doses), the correct calculation leads to a dosage of 5 mL per dose. Therefore, 8 mL would be more than the recommended dosage.

Choice B: 80 mL Administering 80 mL of amoxicillin per dose would be significantly more than the recommended dosage. This could potentially lead to an overdose, which could cause harmful side effects.

Choice C: 10 mL While 10 mL is close to the correct dosage, it is still double the recommended amount. Administering too much amoxicillin could potentially lead to an overdose and cause harmful side effects.

Choice D:

Step 1: Calculate the total amount of amoxicillin needed per day.

The total amount of amoxicillin needed per day is calculated by multiplying the weight of the child by the dosage per kg. So, 80 mg/kg/day × 10 kg = 800 mg/day.

Step 2: Divide the total amount of amoxicillin needed per day by the number of doses per day.

The total amount of amoxicillin needed per day is divided into two doses. So, 800 mg/day ÷ 2 = 400 mg/dose.

Step 3: Calculate the volume of amoxicillin suspension needed per dose.

The volume of amoxicillin suspension needed per dose is calculated by dividing the amount of amoxicillin needed per dose by the concentration of the suspension. So, 400 mg/dose ÷ (400 mg/5 mL) = 5 mL/dose.

Therefore, the nurse should administer 5 mL of amoxicillin per dose.

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Correct Answer is D

Explanation

Choice A rationale:

The nurse does not need to report the heart rate as it falls within the normal range for a school-age child, which is typically between 70-100 beats per minute.

Choice B rationale:

The WBC count is 9,600/mm3, which is within the normal range for a school-age child (4,500 to 13,500/mm3) Therefore, this finding does not warrant reporting to the provider.

Choice C rationale:

HbA1c level is 8.5%, indicating poor blood sugar control. However, this finding is related to the child's cystic fibrosis and not an immediate concern. The nurse should address this issue but does not need to urgently report it to the provider.

Choice D rationale:

Oxygen saturation is 95%, which is within the normal range (typically 95-100%) However, for a child with cystic fibrosis who may have respiratory issues, a lower oxygen saturation level might be concerning. Therefore, the nurse should report this finding to the provider for further evaluation and intervention.

A. Limit fluids at bedtime. B. Apply cold compresses to painful areas. C. Encourage physical activity as tolerated. D. Have the child wear a surgical mask to school.

Correct Answer is C

Explanation

Choice A rationale:

Limiting fluids at bedtime is not a suitable instruction for a child with sickle cell disease. These patients are at risk of dehydration due to increased red blood cell destruction, and limiting fluids can exacerbate this condition, leading to vaso-occlusive crises and pain episodes.

Choice B rationale:

Applying cold compresses to painful areas might provide temporary relief for pain associated with sickle cell disease, but it does not address the overall management of the illness. Encouraging physical activity, on the other hand, is essential as it promotes overall health and can prevent complications like thrombosis.

Choice C rationale:

Encouraging physical activity as tolerated is the correct choice. Regular physical activity helps improve circulation and can reduce the risk of vaso-occlusive crises in patients with sickle cell disease. The nurse should advise the guardians to encourage the child to engage in activities that are appropriate for their age and physical condition, while also being mindful of any signs of fatigue or pain.

Choice D rationale:

Having the child wear a surgical mask to school is not relevant to the management of sickle cell disease. This measure is more appropriate for preventing the spread of contagious diseases and is not a specific intervention for sickle cell disease management.

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Naxlex Comprehensive Predictor Exams

Correct Answer is D

Explanation

A nurse is providing teaching to the guardians of a school-age child who has sickle cell disease about management of the illness. Which of the following instructions should the nurse include?

Correct Answer is C

Explanation

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