A nurse is preparing to administer 150 mg of an antibiotic IM. Available is 2 g/10 mL. Haw many mi 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 ["0.8"]
Determine the desired dose.
The nurse needs to administer 150 mg of the antibiotic.
Calculate the available dose per mL.
The available antibiotic is 2 g/10 mL. This means that each mL of the solution contains 2 g / 10 mL = 0.2 g = 200 mg of the antibiotic.
Calculate the volume to be administered.
Volume = Desired dose (mg) / Concentration (mg/mL) = 150 mg / 200 mg/mL = 0.75 mL
Round the volume to the nearest tenth.
Volume = 0.8 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2.5"]
Explanation
Determine the desired dose.
The doctor orders 250 mg of ampicillin.
Calculate the available dose per mL.
The label says to add 4.5 mL of sterile water to yield 1 g/10 mL. This means that each mL of the reconstituted solution contains 1 g / 10 mL = 0.1 g = 100 mg of ampicillin.
Calculate the volume to be administered.
Volume = Desired dose (mg) / Concentration (mg/mL) = 250 mg / 100 mg/mL = 2.5 mL
Correct Answer is ["100"]
Explanation
Determine the total volume to be infused.
The nurse is preparing to administer 200 mL of fluconazole in 0.9% sodium chloride.
Calculate the infusion rate in mL/hr.
The infusion time is 2 hours.
Infusion rate = Total volume / Infusion time = 200 mL / 2 hr = 100 mL/hr
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