A client is receiving a 200 ml bolus of 0.9% sodium chloride to be infused over 20 minutes. The nurse should set the infusion pump deliver how many mL/hour? (Enter numeric value only.)
The Correct Answer is ["600"]
Given:
Volume of fluid: 200 mL
Infusion time: 20 minutes
Formula:
Flow rate (mL/hr) = Volume (mL) / Time (hr)
Step 1: Convert infusion time from minutes to hours:
Infusion time (hr) = 20 minutes / 60 minutes/hr
Infusion time (hr) = 1/3 hour
Step 2: Calculate the infusion rate in mL/hr:
Flow rate (mL/hr) = 200 mL / (1/3) hr
Flow rate (mL/hr) = 200 mL x (3/1) hr
Flow rate (mL/hr) = 600 mL/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.25"]
Explanation
Given:
Ordered dose of Epinephrine: 0.01 mg/kg
Child's weight: 55 pounds
Concentration of Epinephrine: 1 mg/mL
Step 1: Convert child's weight from pounds to kilograms:
1 pound (lb) = 0.453592 kilograms (kg)
Child's weight in kg = 55 lbs x 0.453592 kg/lb = 24.94756 kg
Step 2: Calculate the total dose of Epinephrine:
Total dose (mg) = Ordered dose (mg/kg) x Child's weight (kg)
Total dose (mg) = 0.01 mg/kg x 24.94756 kg
Total dose (mg) = 0.2494756 mg
Step 3: Calculate the volume to be administered:
Volume (mL) = Total dose (mg) / Concentration (mg/mL)
Volume (mL) = 0.2494756 mg / 1 mg/mL
Volume (mL) = 0.2494756 mL
Step 4: Round to the nearest hundredth:
Volume (mL) ≈ 0.25 mL
Correct Answer is ["120"]
Explanation
Given:
Ordered dose of Labetalol HCl: 2 mg/minute
Concentration of Labetalol HCl: 200 mg in 200 mL (1 mg/mL)
Step 1: Calculate the infusion rate in mg/hour:
Infusion rate (mg/hour) = Ordered dose (mg/minute) x 60 minutes/hour
Infusion rate (mg/hour) = 2 mg/minute x 60 minutes/hour
Infusion rate (mg/hour) = 120 mg/hour
Step 2: Calculate the infusion rate in mL/hour:
Infusion rate (mL/hour) = Infusion rate (mg/hour) / Concentration (mg/mL)
Infusion rate (mL/hour) = 120 mg/hour / 1 mg/mL
Infusion rate (mL/hour) = 120 mL/hour
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