A nurse is preparing to administer lactated Ringer’s 250 mL IV to infuse over 15 min. 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 ["1000"]
To calculate the infusion rate, use the formula: mL/hr = (mL x drop factor) / time in minutes
In this case, mL = 250, drop factor = 60 (assuming microdrip tubing), and time = 15 minutes
Plug in the values and simplify: mL/hr = (250 x 60) / 15 - mL/hr = 1000
The nurse should set the IV pump to deliver 1000 mL/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A: After reconstitution, the vial will contain 1g of the medication and not 500mg.
B: The instructions state that the reconstituted solution should be administered within 1 hr of preparation.
C. The instructions state the medication can be administered IV or IM.
D: 3.5ml is the appropriate amount of fluid to be instilled for reconstitution
Correct Answer is ["0.5"]
Explanation
To calculate the dosage, use the formula: D (desired dose) / H (have dose) x V (vehicle)
In this case, D = 12.5 mg, H = 25 mg, and V = 1 mL
Plug in the values and solve: 12.5 / 25 x 1 = 0.5 mL
Round the answer to the nearest tenth: 0.5 mL
The nurse should administer 0.5 mL of promethazine IM
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