A nurse is preparing to administer dextrose 5% in water (D,W) 150 mL IV to infuse over 3 hr. The drop factor of the manual IV tubing is the nurse should set the manual IV infusion to deliver how gtt/min? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use trailing zero.)
The Correct Answer is ["8"]
Rationale:
Determine the total volume to be infused.
The nurse is preparing to administer 150 mL of dextrose 5% in water (DW).
Calculate the infusion rate in mL/min.
The infusion time is 3 hours, which is equivalent to 3 x 60 = 180 minutes.
Infusion rate = Total volume / Infusion time = 150 mL / 180 min = 0.83 mL/min
Apply the drop factor to find the drip rate in gtt/min.
Drop factor of the tubing is 10 gtt/mL.
Drip rate = Infusion rate (mL/min) x Drop factor (gtt/mL) = 0.83 mL/min x 10 gtt/mL = 8.3 gtt/min
Round the drip rate to the nearest whole number.
Drip rate = 8 gtt/min
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Related Questions
Correct Answer is ["0.8"]
Explanation
Determine the desired dose.
The nurse needs to administer 150 mg of the antibiotic.
Calculate the available dose per mL.
The available antibiotic is 2 g/10 mL. This means that each mL of the solution contains 2 g / 10 mL = 0.2 g = 200 mg of the antibiotic.
Calculate the volume to be administered.
Volume = Desired dose (mg) / Concentration (mg/mL) = 150 mg / 200 mg/mL = 0.75 mL
Round the volume to the nearest tenth.
Volume = 0.8 mL
Correct Answer is ["688"]
Explanation
Convert the patient's weight to kg.
The patient weighs 198 lb.
1 lb is approximately equal to 0.45 kg.
Patient's weight in kg = 198 lb * 0.45 kg/lb = 89.1 kg
Calculate the total daily dose.
Total daily dose = 15 mg/kg/day * 89.1 kg = 1336.5 mg/day
Calculate the dose per administration.
The dose is divided equally every 12 hours, so we divide the total daily dose by 2.
Dose per administration = 1336.5 mg/day / 2 = 668.25 mg
Round the dose to the nearest whole number.
Dose per administration = 668 mg
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