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 ["3"]
Explanation
Here's how to calculate the duration (minutes) for the nurse to administer furosemide:
Prescribed dose: 120 mg furosemide (given)
Recommended rate: 40 mg/minute (given)
We need to find the total time (minutes) required to administer the prescribed dose (120 mg) at the recommended rate (40 mg/minute).
Time (minutes) = Dose (mg) / Rate (mg/minute)
Time (minutes) = 120 mg / 40 mg/minute
Time (minutes) = 3 minutes
Therefore, the nurse should administer the medication over 3 minutes.
Correct Answer is ["59.147"]
Explanation
Here's how to calculate the number of mL the nurse should document:
Client dosage: 2 ounces (given)
Conversion factor: 1 ounce (oz) = 29.5735 mL (conversion factor)
Magnesium hydroxide concentration: 400 mg per 5 mL (from bottle label)
We need to find the equivalent volume in mL of the 2 ounces dosage the client reported.
Steps:
a. Convert ounces to mL:
Client dosage (mL) = Client dosage (oz) x Conversion factor (mL/oz)
Client dosage (mL) = 2 oz * 29.5735 mL/oz
Client dosage (mL) = 59.147 mL (round to nearest hundredth)
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