A nurse is preparing to administer dextrose 5% in lactated Ringer’s 2 L IV to infuse over 12 hr.
The drop factor on the manual IV tubing is 20 gtt/mL. The nurse should set the IV flow rate to deliver how many gtt/min?
(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 ["56"]
To calculate the IV flow rate, use the formula: gtt/min = (volume in mL x drop factor in gtt/mL) / time in min
Plug in the given values: gtt/min = (2000 mL x 20 gtt/mL) / 720 min
Simplify and solve: gtt/min = 40000 gtt / 720 min
Divide both sides by 10: gtt/min = 4000 gtt / 72 min
Divide both sides by 4: gtt/min = 1000 gtt / 18 min
Divide both sides by 5: gtt/min = 200 gtt / 3.6 min
Divide both sides by 2: gtt/min = 100 gtt / 1.8 min
The answer is approximately 55.6 gtt/min, so round it to the nearest whole number: 56 gtt/min
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["68"]
Explanation
Convert the client's weight from pounds to kilograms: 99 lb / 2.2 = 45 kg
Calculate the dose of acetaminophen in mg: 15 mg/kg x 45 kg = 675 mg
Calculate the volume of solution in mL: 675 mg / (1,000 mg/100 mL) = 67.5 mL
Round the answer to the nearest whole number: 68 mL
The nurse should administer 68 mL of acetaminophen solution via intermittent IV bolus.
Correct Answer is ["56"]
Explanation
To calculate the IV flow rate, use the formula: gtt/min = (volume in mL x drop factor in gtt/mL) / time in min
Plug in the given values: gtt/min = (2000 mL x 20 gtt/mL) / 720 min
Simplify and solve: gtt/min = 40000 gtt / 720 min
Divide both sides by 10: gtt/min = 4000 gtt / 72 min
Divide both sides by 4: gtt/min = 1000 gtt / 18 min
Divide both sides by 5: gtt/min = 200 gtt / 3.6 min
Divide both sides by 2: gtt/min = 100 gtt / 1.8 min
The answer is approximately 55.6 gtt/min, so round it to the nearest whole number: 56 gtt/min
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