A nurse is preparing to administer lactated Ringer's 150 mUhr by continuous IV infusion. The drop factor of the manual tv tubing is 15 gtt/mL. The nurse should set the IV flow rate to deliver how many gtt/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 ["38"]
Identify the Given Information:
Infusion Rate: 150 mL/hr
Drop Factor: 15 gtt/mL
Convert the Infusion Rate to mL/min:
There are 60 minutes in 1 hour.
Infusion Rate (mL/min) = 150 mL/hr / 60 min/hr
Infusion Rate (mL/min) = 2.5 mL/min
Calculate the Drip Rate (gtt/min):
Drip Rate (gtt/min) = Infusion Rate (mL/min) x Drop Factor (gtt/mL)
Drip Rate (gtt/min) = 2.5 mL/min x 15 gtt/mL
Drip Rate (gtt/min) = 37.5 gtt/min
Round to the Nearest Whole Number:
38 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 ["0.2"]
Explanation
Convert the Client's Weight from Pounds to Kilograms:
1 kg = 2.205 lbs
Weight in kg = 138 lbs / 2.205 lbs/kg
Weight in kg ≈ 62.585 kg
Calculate the Total Dose of Darbepoetin Needed:
Dose = 0.75 mcg/kg x 62.585 kg
Dose ≈ 46.93875 mcg
Calculate the Volume of Darbepoetin to Administer:
Available concentration = 60 mcg/0.3 mL
To simplify, find the concentration per 1 mL: 60 mcg / 0.3 mL = 200 mcg/mL
Volume (mL) = Desired dose (mcg) / Available concentration (mcg/mL)
Volume (mL) = 46.93875 mcg / 200 mcg/mL
Volume (mL) ≈ 0.23469 mL
Round to the Nearest Tenth:
0.2 mL
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