A nurse prepares to administer penicillin G potassium 1,000,000 units intermittent IV bolus. The label on the vial indicates that it should be reconstituted with 50 mL of sterile water to make penicillin G potassium 100,000 units/mL. How many mL should the nurse administer?
(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["10"]
To calculate the dose of penicillin G potassium for an intermittent IV bolus, the nurse needs to use the following formula: Dose (mL) = Desired dose (units) / Available dose (units/mL).
In this case, the desired dose is 1,000,000 units and the available dose is 100,000 units/mL.
Plugging these values into the formula, we get: Dose (mL) = 1,000,000 / 100,000 = 10.
Therefore, the nurse should administer 10 mL of the reconstituted solution.
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Related Questions
Correct Answer is D
Explanation
A. Use 0.9% sodium chloride solution as a diluent:
The label does not mention the use of 0.9% sodium chloride solution. It specifically provides directions for adding water for reconstitution. Therefore, using sodium chloride solution is not consistent with the instructions.
B. Store the medication at room temperature following reconstitution:
The label clearly states that the reconstituted suspension "Must be refrigerated." Storing it at room temperature contradicts the provided instructions.
C. Roll the vial gently in hands to mix the medication:
The label instructs to "Shake vigorously" to wet the powder, not to roll it gently. Shaking is the recommended method for mixing the medication according to the label.
D. Discard any remaining medication after 10 days:
This is the correct action according to the label. The label specifies that the reconstituted suspension should be discarded after 10 days, emphasizing the importance of not using the medication beyond that period for safety reasons.
Correct Answer is ["10"]
Explanation
To calculate the dose of penicillin G potassium for an intermittent IV bolus, the nurse needs to use the following formula: Dose (mL) = Desired dose (units) / Available dose (units/mL).
In this case, the desired dose is 1,000,000 units and the available dose is 100,000 units/mL.
Plugging these values into the formula, we get: Dose (mL) = 1,000,000 / 100,000 = 10.
Therefore, the nurse should administer 10 mL of the reconstituted solution.
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