A physician orders a medication of 140 mcg/kg/min for a patient weighing 176 lb. The infusion will last 6 min.
How many milligrams should the nurse administer to the patient?
11.2 mg
147.8 mg
67.2 mg
670.2 mg
670.2 mg
The Correct Answer is C
To calculate the total amount of medication in milligrams that the nurse should administer to the patient, we need to determine the dosage per minute based on the patient's weight and the ordered dose, and then multiply it by the total infusion time.
First, let's convert the patient's weight from pounds to kilograms:
176 lb / 2.2046 = 79.83 kg (rounded to the nearest hundredth)
Now, let's calculate the dosage per minute:
Dosage per minute = dose per kg/min x weight in kg Dosage per minute = 140 mcg/kg/min x 79.83 kg
To convert mcg to mg, divide by 1000:
Dosage per minute = (140 mcg/kg/min x 79.83 kg) / 1000
Next, let's calculate the total amount of medication in milligrams:
Total medication = dosage per minute (mg/min) x total infusion time (min) Total medication = (Dosage per minute x 6 min)
Calculating the total medication: Total medication = 66.3 mg
Therefore, the nurse should administer approximately 66.3 mg of medication to the patient, which corresponds to option c. 67.2 mg.
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Related Questions
Correct Answer is D
Explanation
To calculate the amount of ampicillin in one dose, we need to determine the total daily dose and divide it by the number of doses per day.
The prescribed dose is 150 mg/kg/day, and the child weighs 10.4 kg.
Total daily dose = Prescribed dose × Body weight Total daily dose = 150 mg/kg/day × 10.4 kg
Total daily dose = 1560 mg/day
Since the medication is administered every 6 hours, there will be four doses in a 24-hour period.
Amount of ampicillin in one dose = Total daily dose / Number of doses per day Amount of ampicillin in one dose = 1560 mg / 4 doses
Amount of ampicillin in one dose = 390 mg
Correct Answer is C
Explanation
The patient is ordered to take 600 mg of ibuprofen every 6 hours as needed. In 24 hours, there are four 6- hour intervals. Therefore, the maximum dose of ibuprofen the patient may have in 24 hours is 600 mg * 4 = 2400 mg.
Since the tablets are available in 200 mg per tablet, the maximum number of tablets the patient may have
in 24 hours is 2400 mg / 200 mg/tablet = 12 tablets.
A. 6 tablets is incorrect because it is half the calculated number of tablets.
B. 4 tablets is incorrect because it is one-third the calculated number of tablets.
C. 12 tablets is the correct answer.
D. 3 tablets is incorrect because it is one-fourth the calculated number of tablets.
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