The healthcare provider (HCP) prescribes erythromycin suspension 250 mg PO every 6 hours for a child with streptococcal pharyngitis. The drug is available in a suspension labeled, "200 mg/5 mL." How many mL should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest hundredth.)
The Correct Answer is ["6.25"]
Calculation:
Desired dose = 250 mg
Available concentration = 200 mg / 5 mL
Calculate the volume to administer:
Volume to administer (mL) = Desired dose (mg) / Available concentration (mg/mL)
= 250 mg / (200 mg / 5 mL)
= 250 mg / 40 mg/mL
= 6.25 mL
Rounding to the nearest hundredth remains 6.25 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["105"]
Explanation
Calculation:
Convert the infant's weight from grams to kilograms:
Weight (kg) = Weight (grams) / 1000 grams/kg
= 3500 grams / 1000 grams/kg
= 3.5 kg
Calculate the total daily dose in milligrams:
Daily dose (mg) = Prescribed dose (mg/kg/day) x Infant's weight (kg)
= 30 mg/kg/day x 3.5 kg
= 105 mg/day
Correct Answer is ["2"]
Explanation
Calculation:
Prescribed dose = 40 mg
Available dose per capsule = 20 mg/capsule
Calculate the number of capsules to administer:
Number of capsules = Prescribed dose / Available dose per capsule
= 40 mg / 20 mg/capsule
= 2 capsules
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