A nurse is preparing to administer 12 L of lactated Ringer’s IV to infuse over 24 hr. Half of the fluid is to be administered in the first 8 hr. The nurse should set the IV pump to deliver how many mL/hr during the first 8 hr?
(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["750"]
To calculate the infusion rate for the first 8 hours, we can use the following formula:
Infusion rate (mL/hr) = (Volume to be infused / Time for infusion)
First, we need to find the volume to be infused in the first 8 hours:
Volume for the first 8 hours = Total volume / 2 = 12 L / 2 = 6 L = 6000 mL
Now we can calculate the infusion rate for the first 8 hours:
Infusion rate = 6000 mL / 8 hr = 750 mL/hr
Therefore, the nurse should set the IV pump to deliver 750 mL/hr during the first 8 hours.
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Related Questions
Correct Answer is ["25"]
Explanation
To calculate the IV flow rate in drops per minute (gtt/min) for the administration of clindamycin, we can follow these steps:
First, we need to determine the total number of minutes for the infusion, which is given as 1 hour:
1 hour × 60 minutes/hour = 60 minutes
Next, we calculate the total number of drops needed for the infusion:
The total volume to be infused is 100 mL.
The drop factor is 15 gtt/mL.
100 mL × 15 gtt/mL = 1500 gtt
Calculate the IV flow rate in drops per minute:
1500 gtt ÷ 60 min = 25 gtt/min
Rounding to the nearest whole number, the nurse should set the IV flow rate to deliver 25 gtt/min.
Correct Answer is ["2.8"]
Explanation
Convert the patient's weight from pounds to kilograms:
154 lb ÷ 2.2 = 70 kg
Calculate the dose of pentamidine:
4 mg/kg × 70 kg = 280 mg
Determine the volume to be administered:
We have 100 mg/mL concentration of pentamidine.
280 mg ÷ 100 mg/mL = 2.8 mL
Therefore, the nurse should administer 2.8 mL of pentamidine to the client.
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