The doctor orders 250 mg of ampicillin for your patient. A 1 gram vial of powdered ampicillin is available. The label says to add 4.5 mL of sterile water t) - (round the answer to the nearest yield 1 g/10 mL. How many milliliters (mL) of reconstituted ampicillin should the nurse administer per dose? (Round to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero)
The Correct Answer is ["2.5"]
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
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.63"]
Explanation
Determine the desired dose.
The nurse needs to administer 5 mg of morphine.
Calculate the available dose per mL.
The available morphine is 8 mg/mL.
Calculate the volume to be administered.
Volume = Desired dose (mg) / Concentration (mg/mL) = 5 mg / 8 mg/mL = 0.625 mL
Round the volume to the nearest hundredth.
Volume = 0.63 mL
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
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