The healthcare provider prescribes heparin 1,400 units/hour intravenously (IV). The IV bag contains heparin 20,000 units in 250 mL dextrose 5% in water. How many mL/hr should the nurse program the infusion pump to deliver?
(Enter numeric value only. If rounding is required, round to the nearest whole number.)
The Correct Answer is ["18"]
First, calculate the concentration of heparin in the IV bag by dividing the amount of heparin by the volume of fluid: 20,000 / 250 = 80 units/mL
Next, divide the prescribed dose by the concentration of heparin: 1,400 / 80 = 17.5 mL/hour
The answer is 18 mL/hour (rounded to the nearest whole number).
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Related Questions
Correct Answer is ["15"]
Explanation
To find out how many drops/minute the nurse should regulate the infusion to, we need to first calculate how many mL/minute the infusion should deliver.
To do this, we need to divide the remaining volume of IV fluids by the number of hours that it should last. Since there are 60 minutes in an hour, we can convert the number of hours to minutes by multiplying it by 60.
Therefore, the number of minutes that the IV fluids should last is 7 x 60 = 420 minutes. Now, we can divide the remaining volume of IV fluids by this number to get the infusion rate in mL/minute. The result is 630 / 420 = 1.5 mL/minute.
Next, we need to multiply this infusion rate by the number of drops per mL that the IV administration set delivers. Since the IV administration set delivers 10 gtt/mL, we can multiply 1.5 mL/minute by 10 gtt/mL to get the infusion rate in drops/minute. The result is 1.5 x 10 = 15 gtt/minute.
Correct Answer is ["168"]
Explanation
First, convert pounds to kilograms:
185 lbs × 0.453592 kg/lb ≈ 83.91 kg
Now, calculate the dosage:
Dosage = 2 mg/kg × 83.91 kg ≈ 167.82 mg ≈ 168 mg
The nurse should prepare approximately 168 mg of zidovudine for administration based on the client's weight.
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