A nurse is preparing to administer 0.9% sodium chloride mL IV to infuse over 4 hr to a client. The drop factor of the manual IV tubing 15 gtt/mL. The volume is 100 mL. The nurse should set the manual IV infusion to deliver how many git/min? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["6"]
Calculate the Total Infusion Time in Minutes:
The infusion is to be delivered over 4 hours.
There are 60 minutes in 1 hour.
Total infusion time: 4 hours x 60 minutes/hour = 240 minutes
Calculate the Drip Rate (gtt/min):
We'll use the following formula:
Drip Rate (gtt/min) = (Total Volume (mL) x Drop Factor (gtt/mL)) / Total Infusion Time (minutes)
Plug in the Values and Calculate:
Drip Rate (gtt/min) = (100 mL x 15 gtt/mL) / 240 minutes
Drip Rate (gtt/min) = 1500 gtt / 240 minutes
Drip Rate (gtt/min) = 6.25 gtt/min
Round to the Nearest Whole Number:
6 gtt/min
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.4"]
Explanation
Identify the Desired Dose and Available Concentration:
Desired Dose: 0.4 mg of naloxone
Available Concentration: 1 mg/mL (This means there is 1 mg of naloxone in every 1 mL of solution)
Set up the Calculation:
We need to find the volume (in mL) that contains the desired dose of 0.4 mg.
We can use the following formula:
Volume (mL) = Desired Dose (mg) / Available Concentration (mg/mL)
Plug in the Values and Calculate:
Volume (mL) = 0.4 mg / 1 mg/mL
Volume (mL) = 0.4 mL
Round to the Nearest Tenth (if necessary):
0.4 mL
Correct Answer is ["12.2"]
Explanation
Understanding the Problem
Initial Order: Nitroprusside 0.3 mcg/kg/min
Client Weight: 68 kg
Dose Increase: 0.3 mcg/kg/min every 5 minutes
Current BP: 208/150 mmHg (Indicates need for dose increase)
Available Solution: Nitroprusside 50 mg in 250 mL of D5W
Desired Rate: mL/hr
Step 1: Calculate the Initial Dose
Initial Dose: 0.3 mcg/kg/min
Client Weight: 68 kg
Initial Total Dose: 0.3 mcg/kg/min x 68 kg = 20.4 mcg/min
Step 2: Determine the New Dose After Increase
Increase: 0.3 mcg/kg/min
Client Weight: 68 kg
Total Increase: 0.3 mcg/kg/min x 68 kg = 20.4 mcg/min
New Total Dose: 20.4 mcg/min (initial) + 20.4 mcg/min (increase) = 40.8 mcg/min
Step 3: Convert the New Dose to Milligrams (mg)
1 mg = 1000 mcg
New Dose in mg/min: 40.8 mcg/min / 1000 mcg/mg = 0.0408 mg/min
Step 4: Calculate the New Dose in mg/hr
New Dose in mg/min: 0.0408 mg/min
Minutes in an Hour: 60 min
New Dose in mg/hr: 0.0408 mg/min x 60 min/hr = 2.448 mg/hr
Step 5: Determine the Concentration of the Nitroprusside Solution
Available Nitroprusside: 50 mg
Solution Volume: 250 mL
Concentration: 50 mg / 250 mL = 0.2 mg/mL
Step 6: Calculate the Infusion Rate in mL/hr
New Dose in mg/hr: 2.448 mg/hr
Concentration: 0.2 mg/mL
Infusion Rate: 2.448 mg/hr / 0.2 mg/mL = 12.24 mL/hr
Step 7: Round to the Nearest Tenth
The calculated rate is 12.24 mL/hr.
Rounded to the nearest tenth: 12.2 mL/hr
Answer: 12.2 mL/hr
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