A nurse is preparing to administer cefazolin 1 g intermittent IV bolus in 0.9% sodium chloride 250 mL over 30 min. The drop factor on the manual V tubing is 10 gtt/ml. The nurse should set the manual 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 ["83"]
To calculate the manual IV flow rate in drops per minute (gtt/min), you can use the following formula:
Flow rate (gtt/min) = (Volume to be infused in mL / Time in minutes) * Drop factor (gtt/mL)
Given:
- Volume to be infused = 250 mL
- Time in minutes = 30 minutes
- Drop factor = 10 gtt/mL
Now, plug these values into the formula:
Flow rate (gtt/min) = (250 mL / 30 min) * 10 gtt/mL
Flow rate (gtt/min) = (8.33) * 10
Flow rate (gtt/min) ≈ 83.3
Rounded to the nearest whole number, the nurse should set the manual IV flow rate to deliver approximately 83 gtt/min.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
a. Store the medication at room temperature following reconstitution: This option is incorrect. While it provides information about the storage of the medication after reconstitution, it doesn't pertain to the reconstitution process itself. Storage information is essential but not part of the reconstitution process.
b. Use 0.9% sodium chloride solution as a diluent: This option is incorrect. The label instructions mention adding water for reconstitution, not sodium chloride solution. Using the wrong diluent can result in incorrect drug concentrations and potential harm to the patient.
c. Discard any remaining medication after 10 days: This option is correct. The label clearly states that the reconstituted medication should be discarded after 10 days. This is important information for safe medication administration.
d. Roll the vial gently in hands to mix the medication: This option is incorrect. The label instructions specify shaking vigorously to wet the powder and then adding the remaining water, followed by vigorous shaking. Rolling the vial gently is not mentioned in the label instructions.
Correct Answer is ["0.75"]
Explanation
To calculate the volume of heparin (in milliliters) to administer, you can use the following formula:
Volume (mL) = Desired dose (units) / Concentration (units/mL)
In this case, the desired dose is 7,500 units, and the concentration is 10,000 units/mL.
Volume (mL) = 7,500 units / 10,000 units/mL
Volume (mL) = 0.75 mL
So, the nurse should administer 0.75 mL of heparin.
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