A nurse is preparing to administer 0.9% sodium chloride (NS) 100 mL/V to infuse over 4 hr. The drip factor of the manual IV tubing is 60 gtt/mL. The nurse should set the manual IV infusion to deliver how many gtt/min? (Round the answer to the nearest whole number.)
27 gtt/min
25 gtt/min
23 gtt/min
30 gtt/min
The Correct Answer is B
Given:
Volume of fluid: 100 mL
Infusion time: 4 hours
Drop factor: 60 gtt/mL
Formula:
Flow rate (gtt/min) = (Volume (mL) / Time (hr)) x Drop factor (gtt/mL) / 60 min/hr
Step 1: Calculate the infusion rate in mL/hr:
Infusion rate (mL/hr) = Volume (mL) / Time (hr)
Infusion rate (mL/hr) = 100 mL / 4 hr
Infusion rate (mL/hr) = 25 mL/hr
Step 2: Calculate the flow rate in gtt/min:
Flow rate (gtt/min) = (Infusion rate (mL/hr) x Drop factor (gtt/mL)) / 60 min/hr
Flow rate (gtt/min) = (25 mL/hr x 60 gtt/mL) / 60 min/hr
Flow rate (gtt/min) = 1500 gtt/hr / 60 min/hr
Flow rate (gtt/min) = 25 gtt/min
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Given:
Ordered dose of hydrocortisone: 100 mg
Concentration of hydrocortisone: 250 mg/2 mL
Step 1: Set up the proportion:
Desired dose (mg) / Volume to administer (mL) = Concentration (mg/mL)
Step 2: Substitute the values:
100 mg / Volume = 250 mg/2 mL
Step 3: Solve for the unknown volume:
Volume = 100 mg / (250 mg/2 mL)
Volume = 100 mg x (2 mL / 250 mg)
Volume = 0.8 mL
Correct Answer is A
Explanation
Given:
Volume of fluid: 3,000 mL
Infusion time: 24 hours
Formula:
Flow rate (mL/hr) = Volume (mL) / Time (hr)
Step 1: Calculate the infusion rate in mL/hr:
Flow rate (mL/hr) = 3,000 mL / 24 hr
Flow rate (mL/hr) = 125 mL/hr
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