Lpn nsg122 dosage calculation proctored exam
Calculation
A nurse is preparing to administer moxifloxacin 400 mg by intermittent IV bolus over 60 min. Available is moxifloxacin 400 mg in 450 ml. dextrose 5% drop factor of the manual IV tubing is 18 gtt/mL. The nurse should set the manual IV infusion to deliver how many gtt/min? Round to the nearest whole number. Enter numeric value only (numbers and decimal points only, no commas or labels)
gtt/min
Explanation & Rationale
Identify the given information: Total volume: 450 mL Time: 60 minutes Drop factor: 18 gtt/mL Determine the flow rate in mL/min: Set up a proportion to solve for the unknown flow rate (X): 450 mL/60 min = X mL/1 min Cross-multiplying gives us: 450 mL x 1 min = 60 min x X mL Simplifying: 450 = 60X Solving for X: X = 450 / 60 = 7.5 mL/min Determine the drop rate: We can set up a proportion to solve for the unknown drop rate (X): 18 gtt/mL = X gtt/7.5 mL Cross-multiplying gives us: 18 gtt x 7.5 mL = 1 mL x X gtt Simplifying: 135 X
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