The health-care provider prescribes propofol (Diprivan) at 8 mcg/kg/minute for a client during conscious sedation. The drug is dispensed as a secondary infusion labeled, 0.9% normal saline 50 ml with propofol 100 mg/50 ml The client's weight is 198 pounds. The nurse should program the infusion pump to deliver how many ml/hour? (Enter numeric value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["22"]
Calculating the Propofol Infusion Rate
Step 1: Convert weight to kilograms:
198 lbs x (1 kg / 2.20462 lbs) ≈ 90 kg
Step 2: Calculate the desired dose rate in mcg/minute:
8 mcg/kg/minute x 90 kg = 720 mcg/minute
Step 3: Calculate the concentration of propofol in the IV solution:
100 mg/50 mL = 2 mg/mL
Step 4: Calculate the infusion rate in mL/hour:
First, convert mcg to mg:
720 mcg x (1 mg / 1000 mcg) = 0.72 mg/minute
Then, set up a proportion:
x mL/hour / 0.72 mg/minute = 60 minutes/hour / 2 mg/mL
Cross-multiply and solve for x:
x mL/hour = 0.72 mg/minute x 60 minutes/hour / 2 mg/mL
x mL/hour ≈ 21.6 mL/hour
Therefore, the nurse should program the infusion pump to deliver approximately 22 mL/hour.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["3"]
Explanation
Calculating the Trimethoprim-Sulfamethoxazole Dose
Problem: Administer 120 mg of Bactrim-DS Oral Suspension. The available concentration is 200 mg/5 mL.
Steps:
Set up a proportion:
We want to find the number of milliliters (mL) needed.
We know the desired dose (120 mg) and the concentration of the medication (200 mg/5 mL).
Proportion:
x mL / 120 mg = 5 mL / 200 mg
Cross-multiply:
200x = 600
Solve for x:
x = 600 / 200
x = 3
Answer: The nurse should administer 3 mL of Bactrim-DS Oral Suspension per dose.
Correct Answer is ["1"]
Explanation
To calculate the number of capsules needed, we'll first convert grams to milligrams:
0.1 grams x 1000 mg/gram = 100 mg
Then, we can set up a proportion:
x capsules / 100 mg = 1 capsule / 100 mg
Cross-multiplying:
100x = 100
Solving for x:
x = 100 / 100
x = 1
Therefore, the nurse should administer 1 capsule of Dantrolene.
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