A nurse is preparing to administer methy prednisolone 7 mg/kg/day IM in two divided doses to a school-age child who weighs 64 lb. Available is methyiprednisolone 20 mg/mL. How many mL 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.)
The Correct Answer is ["5.1"]
First, convert the child's weight from pounds to kilograms: 64 lb / 2.205 lb/kg = 29.02 kg
Calculate the total daily dose of methylprednisolone needed: 7 mg/kg x 29.02 kg = 203.14 mg
Calculate the dose per administration: 203.14 mg / 2 = 101.57 mg
Calculate the volume of methylprednisolone to administer per dose: 101.57 mg / 20 mg/mL = 5.0785 mL
Round to the nearest tenth: 5.0785 mL rounded to the nearest tenth is 5.1 mL.
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Related Questions
Correct Answer is A
Explanation
A. With "EP 116" stamped on one side of the tablet: The label specifies that the furosemide 20 mg medication is a "white round tablet" marked with "EP 116" on one side. This is how the nurse should expect the medication to appear before administering it to the client.
B. As a multicolored capsule: The medication described on the label is not in capsule form. Capsules are typically used for medications that require specific release mechanisms, which is not relevant for furosemide 20 mg in this scenario.
C. With "Furosemide 20 mg’’ printed on one side of the capsule:Although the label identifies the medication as furosemide 20 mg, it is not presented in capsule form or printed in this manner. The identifying mark is "EP 116," as described.
D. As a small vial: Furosemide is available in vial form for intravenous or intramuscular use; however, the label and the route specified (PO) indicate this is an oral tablet, not an injectable form.
Correct Answer is D
Explanation
A. Take 0.5 oz 30 minutes before meals and at bedtime:
The unit "oz" (ounce) is not a metric unit. Ounces are part of the imperial measurement system, not the metric system. The metric equivalent of ounces for liquid measurements would be milliliters (mL). Therefore, this prescription is using an imperial unit.
B. Take 1 tsp four times daily:
The unit "tsp" stands for teaspoon, which, although used in common medical practice, is not a metric unit. A teaspoon is a unit of volume in the U.S. customary system, equivalent to approximately 5 mL in the metric system. However, teaspoons themselves are not part of the metric system, so this instruction is not using a metric unit.
C. Take 2 drops four times daily:
The unit "drops" is a non-metric unit of measurement and is used to describe small volumes of liquid, often in medication dosages. While the exact volume of a drop can vary depending on the liquid and dropper, it is not a metric measurement.
D. Take 15 mL, 1 hr after meals and at bedtime:
The unit "mL" stands for milliliters, which is a metric unit of volume. The prescription specifically uses the metric system for dosage measurement, making it the correct option. Milliliters are the standard unit for measuring liquid medications in the metric system.
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