A client with rheumatoid arthritis receives a prescription for etanercept 25 mg. The medication is available in a prefilled syringe labeled, 50 mg/2 ml. How many ml should the nurse administer? (Enter the numerical value only.)
The Correct Answer is ["1.0"]
To calculate the volume of etanercept to be administered, we can use the following formula:
Volume (mL) = Desired Dose (mg) / Concentration (mg/mL)
Plugging in the given values:
Volume (mL) = 25 mg / 50 mg/mL
Volume (mL) = 0.5 mL
Since the medication is available in a prefilled syringe labeled 50 mg/2 mL, we need to administer 2 mL to obtain the desired dose of 25 mg.
Therefore, the nurse should administer 1.0 mL of etanercept.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.5"]
Explanation
Understanding the Problem:
We need to administer 15 mg of furosemide.
The available ampoule contains 10 mg/mL of furosemide.
Solution:
Set up a proportion:
We want to find the number of milliliters (mL) needed.
We know the desired dose (15 mg) and the concentration of the medication (10 mg/mL).
Proportion:
x mL / 15 mg = 1 mL / 10 mg
Cross-multiply:
10x = 15
Solve for x:
x = 15 / 10
x = 1.5
Therefore, the nurse should administer 1.5 mL of furosemide.
Correct Answer is ["167"]
Explanation
To calculate the infusion rate, we'll use the following formula:
Infusion Rate (mL/hour) = Total Volume (mL) / Infusion Time (hours)
Plugging in the given values:
Infusion Rate = 1000 mL / 6 hours
Calculating the result:
Infusion Rate ≈ 166.67 mL/hour
Rounding to the nearest whole number, the nurse should program the infusion pump to deliver 167 mL/hour
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