A client receives a prescription for oxytocin 2 milliunits/min intravenously (IV) for labor augmentation. The IV bag contains oxytocin 20 units in actated Ringer's 1 liter. How many mL/hour should the nurse program the infusion pump to deliver?
(Enter numerical value only.)
The Correct Answer is ["6"]
- To calculate the infusion rate, use the formula: infusion rate (mL/h) = dose (units/h) x volume (mL) / concentration (units)
- In this case, the dose is 2 milliunits/min or 0.12 units/h
- The volume is 1000 mL and the concentration is 20 units
- Plug in the values and simplify: infusion rate = 0.12 x 1000 / 20
- The infusion rate is 6 mL/h
- The nurse should program the pump to deliver 6 mL/h
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Related Questions
Correct Answer is ["21"]
Explanation
- Calculate the infusion rate in mL/hour: 500 mL / 4 hours = 125 mL/hour
- Convert the infusion rate to mL/minute: 125 mL/hour / 60 minutes = 2.08 mL/minute
- Multiply the infusion rate by the drop factor: 2.08 mL/minute x 10 gtt/mL = 20.8 gtt/minute
- Round the answer to the nearest whole number: 21 gtt/minute
Correct Answer is ["2.4"]
Explanation
- To find the volume of cefazolin to administer, we need to use the formula: Volume = Dose / Concentration
- First, we need to find the concentration of cefazolin after reconstitution. The label says that 1 gram of cefazolin is dissolved in 3 mL of water. To get the concentration in mg/mL, we need to multiply both the numerator and denominator by 1000: (1000 mg / 1 g) x (1 g / 3 mL) = 1000 mg / 3 mL
- Next, we need to simplify the fraction by dividing both the numerator and denominator by the greatest common factor, which is 3: (1000 mg / 3) / (3 mL / 3) = 333.33 mg/mL
- Now, we have the concentration of cefazolin in mg/mL. We can plug in the given dose of 800 mg into the formula: Volume = 800 mg / 333.33 mg/mL - Finally, we need to solve for the volume by dividing both sides by 333.33: Volume / 333.33 = (800 mg / 333.33 mg/mL) / 333.33
- The answer is 2.4 mL (rounded to the nearest tenth)
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