The healthcare provider prescribes penicillin V potassium 650,000 units IM. The available vial is labeled, "Penicillin V potassium 500,000 units/mL." How many mL should the nurse administer? (Enter the numerical value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["1.3"]
Calculation:
Formula:
Volume to administer (mL) = Desired dose (units) / Available concentration (units/mL)
Desired dose = 650,000 units
Available concentration = 500,000 units/mL
Volume to administer (mL) = Desired dose (units) / Available concentration (units/mL)
= 650,000 units / 500,000 units/mL
= 1.3 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.5"]
Explanation
Desired dose = 7.5 mg
Available concentration = 5 mg/mL
Calculate the volume to administer:
Volume to administer (mL) = Desired dose (mg) / Available concentration (mg/mL)
= 7.5 mg / 5 mg/mL
= 1.5 mL
Correct Answer is ["0.64"]
Explanation
Desired dose = 40 mg
Available concentration = 125 mg / 2 mL
= 62.5 mg/mL
Calculate the volume to administer:
Volume to administer (mL) = Desired dose (mg) / Available concentration (mg/mL)
= 40 mg / 62.5 mg/mL
= 0.64 mL
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