A nurse is preparing to administer somatropin 0.24 mg/kg/week subcutaneously to be divided into six daily doses to a school-age child who weighs 66 lb. How many mg should the nurse administer per dose?

(Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["1.2"]

To calculate the dose of somatropin to be administered per dose, we first need to convert the child's weight from pounds to kilograms. We can do this using the following conversion factor:

1 kg = 2.2 lbs

Therefore, the child's weight in kilograms is:

weight_kg = 66 lbs / 2.2 lbs/kg = 30 kg

Next, we can calculate the total dose of somatropin to be administered per week using the following formula:

total_dose = weight_kg * 0.24 mg/kg/week

This gives us a total dose of:

total_dose = 30 kg * 0.24 mg/kg/week = 7.2 mg/week

Finally, we can calculate the dose of somatropin to be administered per dose by dividing the total dose by the number of daily doses:

dose_per_dose = total_dose / 6 doses/day = 1.2 mg/dose

Therefore, the nurse should administer 1.2 mg of somatropin per dose.

Answer: 1.2 mg of somatropin per dose.

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Correct Answer is B

Explanation

Choice A rationale:

Sublingual nitroglycerin should be taken without water. The tablet should be placed under the tongue and allowed to dissolve.

Choice B rationale:

It is recommended to take sublingual nitroglycerin before activities that might cause angina.

Choice C rationale:

The maximum recommended dosage is three tablets within 15 minutes, not four.

Choice D rationale:

Sublingual nitroglycerin should not be chewed. It should be allowed to dissolve under the tongue.

A. Apical pulse 54/min. B. Respiratory rate 14/min. C. BP 179/89 mm Hg. D. Temperature 37.8° C (100° F)

Correct Answer is A

Explanation

Choice A rationale:

An apical pulse of 54/min is below the normal range for adults. Digoxin, a cardiac medication, can lower the heart rate. Therefore, it’s crucial to hold the medication if the resting pulse for an adult is less than 60 bpm. This is to prevent further lowering of the heart rate which could lead to bradycardia, a potentially dangerous condition.

Choice B rationale:

A respiratory rate of 14/min is within the normal adult range of 12-20 breaths per minute. This would not be a reason to withhold digoxin.

Choice C rationale:

A blood pressure (BP) of 179/89 mm Hg indicates hypertension, which is not a direct contraindication for digoxin. However, it’s important to monitor BP levels in clients taking digoxin as the medication can affect blood pressure.

Choice D rationale:

A temperature of 37.8° C (100° F) is slightly elevated but would not be a reason to withhold digoxin unless it’s indicative of an underlying infection that needs to be addressed first.

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Naxlex Comprehensive Predictor Exams

A nurse is reinforcing teaching with a client who has chronic stable angina and a new prescription for sublingual nitroglycerin.Which of the following instructions should the nurse include in the teaching?

Correct Answer is B

Explanation

A nurse is preparing to administer digoxin to a client.For which of the following findings should the nurse withhold the medication?

Correct Answer is A

Explanation

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