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
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
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
Correct Answer is C
Explanation
Let's calculate the dosage using the provided information.
Information from the label:
Bumetanide concentration: 0.25 mg/mL
Available volume: 10 mL vial
Order: Bumex (bumetanide) 1 mg IV daily
Calculation:
Determine the desired dose: 1 mg
Use the formula:
Desired dose (mg) / Available concentration (mg/mL) = Volume to administer (mL)
Substitute the values:
1 mg / 0.25 mg/mL = Volume to administer (mL)
Calculate:
Volume to administer = 4 mL
Therefore, the correct answer is C. 4 mL
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