A nurse is preparing to administer gentamicin 60 mg by intermittent IV bolus over 30 min. Available is gentamicin 60 mg in 100 mL dextrose 5% in water. The nurse should set the IV pump to deliver how many mL/hr? (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 ["200"]
Calculation:
Determine the total volume to be infused:
Total volume: 100 mL
Determine the total infusion time in hours:
Infusion time: 30 minutes
Conversion: 30 minutes / 60 minutes/hour = 0.5 hours
Calculate the IV pump flow rate in mL/hr:
Formula: Flow rate (mL/hr) = Total volume (mL) / Total time (hours)
= 100 mL / 0.5 hours
= 200 mL/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. The medication is for IV administration: The label clearly indicates that this is an oral suspension and not for intravenous (IV) use.
B. The medication should not be stored below 30°C (86°F): The label specifies that the medication should be stored below 30°C (86°F), but it does not imply that storing it below this temperature would be harmful, making this option incorrect.
C. The total amount available per container is 4 mL: The label clearly states that each container delivers 4 mL of the medication, making this the correct answer.
D. The nurse should avoid shaking the medication: The label explicitly instructs to shake well before using, so the nurse should shake the medication.
Correct Answer is ["4"]
Explanation
Calculation:
Determine the desired dose:
Ordered dose: 10 mg
Determine the available concentration of the medication:
Available concentration: 5 mg / 2 mL
Calculate the volume needed to administer the desired dose:
Formula: Volume (mL) = Desired dose (mg) × (Volume of solution (mL) / Available dose (mg))
= 10 mg × (2 mL / 5 mg)
= 20 mL / 5
= 4 mL
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