A client receives a prescription for a single dose of midazolam 2 mg IV to be administer before a scheduled procedure. The vial is label, *4 mg/2 mL." How many mL should the nurse administer? (Enter numerical value only.)
The Correct Answer is ["1"]
Here's the breakdown:
Prescribed dose: 2 mg midazolam (given)
Vial concentration: 4 mg/2 mL (label)
We need to find the volume containing the 2 mg dose considering the concentration.
Calculation:
Volume (mL) = Dose (mg) / (Concentration (mg/mL) / 2)
We divide the concentration by 2 because we need the volume that delivers 2 mg (half the concentration).
Volume (mL) = 2 mg / (4 mg/mL / 2)
Volume (mL) = 2 mg / 2 mg/mL
Volume (mL) = 1 mL
Therefore, the nurse should administer 1 mL of midazolam to deliver the prescribed dose of 2 mg.
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Related Questions
Correct Answer is ["111"]
Explanation
Here's how to calculate the rate for the infusion pump:
Total volume to infuse: 1 liter (given)
Infusion time: 9 hours (given)
We need to find the volume delivered per hour (mL/hour) considering the total volume and infusion time.
Volume conversion: Since the volume is given in liters, convert it to mL:
1 liter * 1000 mL/liter = 1000 mL
Infusion rate (mL/hour):
Infusion rate (mL/hour) = Total volume (mL) / Infusion time (hours)
Infusion rate (mL/hour) = 1000 mL / 9 hours
Infusion rate (mL/hour) = 111.11 mL/hour (round to nearest tenth)
Therefore, the nurse should program the infusion pump to deliver approximately 111 mL/hour.
Correct Answer is ["0.25"]
Explanation
Here's how to calculate the volume (mL) the nurse should administer for somatropin:
1. We know the following:
Prescribed dose: 1.25 mg somatropin (given)
Concentration after reconstitution: 5 mg/mL (given)
2. We need to find the volume (mL) to administer for the prescribed dose (1.25 mg) considering the concentration (5 mg/mL) of the reconstituted solution.
Volume to administer (mL): Dose (mg) / Concentration (mg/mL)
Volume to administer (mL): 1.25 mg / 5 mg/mL
Volume to administer (mL) = 0.25 mL (round to nearest hundredth)
Therefore, the nurse should administer 0.25 mL of the reconstituted somatropin solution subcutaneously.
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