The nurse is preparing change of shift report for a client who has an IV infusion of 1000 mL of 0.9% sodium chloride. The infusion was started 5 hours ago at a rate of 125 mL/hour via an infusion pump. The nurse should report how many mL remain to be infused to the oncoming nurse? (Enter numeric value only. If rounding is required, round to the nearest whole number.)
The Correct Answer is ["375"]
Given:
Total volume of infusion: 1000 mL
Infusion rate: 125 mL/hour
Infusion started 5 hours ago
Step 1: Calculate the volume infused in 5 hours:
Volume infused = Infusion rate (mL/hour) x Time (hours)
Volume infused = 125 mL/hour x 5 hours
Volume infused = 625 mL
Step 2: Calculate the remaining volume:
Remaining volume = Total volume - Volume infused
Remaining volume = 1000 mL - 625 mL
Remaining volume = 375 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.3"]
Explanation
Given:
Ordered dose of amoxicillin: 25 mg/kg/day
Child's weight: 18 pounds
Concentration of amoxicillin suspension: 400 mg/5 mL
Step 1: Convert child's weight from pounds to kilograms:
1 pound (lb) = 0.453592 kilograms (kg)
Child's weight in kg = 18 lbs x 0.453592 kg/lb = 8.164656 kg
Step 2: Calculate the total daily dose of amoxicillin:
Total daily dose (mg) = Ordered dose (mg/kg/day) x Child's weight (kg)
Total daily dose (mg) = 25 mg/kg/day x 8.164656 kg
Total daily dose (mg) = 204.1164 mg/day
Step 3: Calculate the dose per administration:
Since the medication is given every 12 hours, there are 2 administrations per day.
Dose per administration (mg) = Total daily dose (mg) / Number of administrations per day
Dose per administration (mg) = 204.1164 mg/day / 2 administrations/day
Dose per administration (mg) = 102.0582 mg
Step 4: Calculate the volume to be administered per dose:
Volume (mL) = Dose per administration (mg) / Concentration (mg/mL)
Volume (mL) = 102.0582 mg / (400 mg/5 mL)
Volume (mL) = 102.0582 mg x (5 mL / 400 mg)
Volume (mL) = 1.2757275 mL
Step 5: Round to the nearest tenth:
Volume (mL) ≈ 1.3 mL
Correct Answer is ["42"]
Explanation
Given:
Volume of fluid: 1 liter = 1000 mL
Infusion time: 8 hours
Drop factor: 20 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) = 1000 mL / 8 hr
Infusion rate (mL/hr) = 125 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) = (125 mL/hr x 20 gtt/mL) / 60 min/hr
Flow rate (gtt/min) = 2500 gtt/hr / 60 min/hr
Flow rate (gtt/min) = 41.667 gtt/min
Step 3: Round to the nearest whole number:
Flow rate (gtt/min) ≈ 42 gtt/min
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