A client weighing 86 kg is receiving dopamine at 8 mcg/kg/minute. The drug is dispensed as dopamine 800 mg/500 ml. 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 ["5.8"]
To calculate the infusion rate, we'll follow these steps:
1. Calculate the desired dose rate in mcg/minute:
Desired Dose Rate = Weight (kg) x Dose (mcg/kg/minute)
Desired Dose Rate = 86 kg x 8 mcg/kg/minute
Desired Dose Rate = 688 mcg/minute
2. Convert micro-grams to milligrams:
688 mcg x (1 mg / 1000 mcg) = 0.688 mg/minute
3. Calculate the concentration of dopamine in the IV solution:
Dopamine Concentration = Dopamine (mg) / Solution Volume (mL)
Dopamine Concentration = 800 mg / 500 mL
Dopamine Concentration = 1.6 mg/mL
4. Set up a proportion:
x mL/hour / 0.688 mg/minute = 60 minutes/hour / 1.6 mg/mL
5. Cross-multiply and solve for x:
x mL/hour = 0.688 mg/minute x 60 minutes/hour / 1.6 mg/mL
x mL/hour ≈ 25.8 mL/hour
Therefore, the nurse should program the infusion pump to deliver approximately 25.8 mL/hour.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2"]
Explanation
To calculate the number of tablets needed, we can set up a proportion:
x tablets / 500 mg = 1 tablet / 250 mg
Cross-multiplying:
250x = 500
Solving for x:
x = 500 / 250
x = 2
Therefore, the nurse should administer 2 tablets of azithromycin per dose.
Correct Answer is ["6"]
Explanation
To calculate the total number of tablets needed, we'll first calculate the total amount of azithromycin required for the treatment.
Step 1: Calculate the total azithromycin required:
Total Azithromycin = Day 1 Dose + (Day 2-5 Dose x Number of Days)
Total Azithromycin = 500 mg + (250 mg x 4 days)
Total Azithromycin = 500 mg + 1000 mg
Total Azithromycin = 1500 mg
Step 2: Determine the number of tablets needed:
Number of Tablets = Total Azithromycin (mg) / Tablet Strength (mg)
Number of Tablets = 1500 mg / 250 mg/tablet
Number of Tablets = 6
Therefore, the nurse should give the client a total of 6 tablets of azithromycin for the duration of treatment.
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