A primary healthcare provider has prescribed ertapenem to a 6-year-old child with a urinary tract infection (UTI). What is the safe dose of medication for this child?
1g/kg every 8 hours
500 mg/kg three times daily
5 g/kg once daily
15 mg/kg twice daily
The Correct Answer is D
1g/kg every 8 hours is incorrect because it exceeds the recommended dose.
According to the package insert for Ertapenem, the dose for patients 3 months to 12 years of age is 15 mg/kg twice daily (not to exceed 1 g/day) .
A. 1g/kg every 8 hours is incorrect because it exceeds the recommended dose.
B. 500 mg/kg three times daily is incorrect because it exceeds the recommended dose.
C. 5 g/kg once daily is incorrect because it exceeds the recommended dose.
D. 15 mg/kg twice daily is the correct answer.
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Related Questions
Correct Answer is C
Explanation
The physician ordered 2 grams of magnesium sulfate per hour. Since there are 40 grams of magnesium sulfate in 1 liter (1000 mL) of lactated Ringer's solution, we can calculate the rate per hour to administer the maintenance dose as follows: (2 grams/hour) / (40 grams/1000 mL) = 50 mL/hour.
A. 10 mL/hr is incorrect because it would only deliver 0.4 grams of magnesium sulfate per hour.
B. 25 mL/hr is incorrect because it would only deliver 1 gram of magnesium sulfate per hour.
D. 100 mL/hr is incorrect because it would deliver 4 grams of magnesium sulfate per hour.
Correct Answer is A
Explanation
To calculate the rate in mL/hr that the nurse should program into the IV pump for administering nitroprusside to the patient, we need to convert the patient's weight from pounds to kilograms and then calculate the dosage based on the weight and ordered dose.
First, let's convert the patient's weight from pounds to kilograms: 154 lb / 2.2046 = 69.85 kg (rounded to the nearest hundredth)
Now, we can calculate the dosage in mcg/min:
Dosage = dose per kg/min x weight in kg Dosage = 3 mcg/kg/min x 69.85 kg
To convert mcg to mg, divide by 1000:
Dosage = (3 mcg/kg/min x 69.85 kg) / 1000
Now, let's calculate the rate in mL/hr:
Rate (mL/hr) = (Dosage (mg/min) / Concentration (mg/mL)) x 60 min/hr
Rate (mL/hr) = ((3 mcg/kg/min x 69.85 kg) / 1000) / (100 mcg/mL) x 60 min/hr
Simplifying the equation:
Rate (mL/hr) = (0.20955 mg/min) / (0.1 mL/min) x 60 min/hr
Rate (mL/hr) = 1257.3 mL/hr
Therefore, the nurse should program the IV pump to deliver nitroprusside at a rate of approximately 1257.3 mL/hr, which corresponds to option a. 1260 mL/hr.
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