A nurse is preparing to administer D5 lactated Ringer's at 150 mL/hr by continuous IV infusion. The drop factor of the manual IV tubing is 20 gtt/mL.. The nurse set the manual infusion to deliver how many gtt/min? Round off to the nearest whole number. Enter numeric value only (numbers and decimal points only, no commas or labels)
The Correct Answer is ["2.5"]
Identify the given information:
Flow rate: 150 mL/hr
Drop factor: 20 gtt/mL
Determine the drop rate:
Set up a proportion to solve for the unknown drop rate (X):
20 gtt/mL = X gtt/1 min
Cross-multiplying gives us:
20 gtt x 1 min = 1 mL x X gtt
Simplifying:
20 = X
Drop rate is 20 gtt/min.
Convert the flow rate to drops per minute:
Find how many drops per minute are equivalent to 150 mL/hr.
Set up a proportion to solve for the unknown drop rate (X):
150 mL/60 min = X gtt/1 min
Cross-multiplying gives us:
150 mL x 1 min = 60 min x X gtt
Simplifying:
150 = 60X
Solving for X:
X = 150 / 60 = 2.5 gtt/min
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["4"]
Explanation
Identify the given information:
Prescribed dose: 25 mg of carvedilol per tablet
Available tablets: 7.25 mg tablets
Determine the number of tablets per dose:
Find how many 7.25 mg tablets are needed to make 25 mg of carvedilol.
Set up a proportion to solve for the unknown number of tablets (X):
7.25 mg/tablet = 25 mg/X tablets
Cross-multiplying gives us:
7.25 mg x X tablets = 25 mg x 1 tablet
Simplifying:
7.25X = 25
Solving for X:
X = 25 / 7.25 = 3.448
Round to the nearest whole number: 4 tablets of carvedilol.
Correct Answer is ["2"]
Explanation
Identify the given information:
Total volume to be infused: 1 L=1000 mL
Infusion rate: 500 mL/hr
Identify the formula:
Time = Total Volume / Infusion Rate
Substitute the values into the formula:
Time = 1000 mL / 500 mL/hr
Calculate the time:
Time = 2 hours
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