A nurse is preparing to administer lactated Ringers 125 mL/hr by continuous IV infusion. The drop factor of the manual IV tubing is 15 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 ["31"]
Calculation:
Determine the total volume to be infused per hour:
Ordered rate: 125 mL/hr
Determine the drop factor of the IV tubing:
Drop factor: 15 gtt/mL
Calculate the total number of drops to be infused per hour:
Formula: Total drops per hour (gtt/hr) = Total volume (mL/hr) × Drop factor (gtt/mL)
= 125 mL/hr × 15 gtt/mL
= 1875 gtt/hr
Convert the flow rate to drops per minute:
Conversion factor: 1 hour = 60 minutes
Formula: Flow rate (gtt/min) = Total drops per hour (gtt/hr) / 60 min/hr
= 1875 gtt/hr / 60 min/hr
= 31.25 gtt/min
Round the answer to the nearest whole number:
31.25 gtt/min rounded to the nearest whole number is 31 gtt/min.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["4"]
Explanation
Calculation:
Convert the client's weight from pounds (lbs) to kilograms (kg):
Formula: Weight in kg = Weight in lbs / 2.2 lbs/kg
= 176 lbs / 2.2 lbs/kg
= 80 kg
Calculate the total loading dose of esmolol needed in micrograms:
Ordered dose: 500 mcg/kg
Client's weight in kg: 80 kg
Formula: Total dose (mcg) = Ordered dose (mcg/kg) × Client's weight (kg)
= 500 mcg/kg × 80 kg
= 40000 mcg
Convert the total dose from micrograms to milligrams:
Conversion factor: 1 mg = 1000 mcg
Formula: Total dose (mg) = Total dose (mcg) / 1000 mcg/mg
= 40000 mcg / 1000 mcg/mg
= 40 mg
Determine the concentration of the available esmolol injection:
Available concentration: 10 mg/mL
Calculate the volume of esmolol to administer:
Formula: Volume to administer (mL) = Desired dose (mg) / Concentration (mg/mL)
= 40 mg / 10 mg/mL
= 4 mL
Correct Answer is A
Explanation
A. The medication can be used for IV administration: The label clearly states that the medication is for intramuscular or intravenous use only. This means the medication is indeed suitable for IV administration.
B. The medication can be used for up to 14 days after reconstitution: The label specifically mentions that the reconstituted medication should be used within 48 hours. This is less than 14 days.
C. The medication should be reconstituted with 0.9% sodium chloride solution: The label specifies that the medication should be reconstituted with bacteriostatic water for injection, not 0.9% sodium chloride solution.
D. The vial contains a single dose: The label indicates that this is a multiple dose vial, meaning it contains more than one dose.
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