A nurse is infusing an IV fluid at 40 mL/hr, and 376 mL of fluid remains in the bag. The current time is 19:30. What is the infusion time in hr and min?
9 hr and 15 min
9 hr and 24 min
9 hr and 30 min
9 hr and 40 min
The Correct Answer is B
We can use the following formula to calculate the infusion time:
Infusion time (in hours) = Remaining volume (in mL) / Infusion rate (in mL/hr)
First, let's convert the current time to minutes since we will be calculating the infusion time in minutes as well:
19:30 = 19 hours x 60 minutes/hour + 30 minutes = 1170 minutes Now we can substitute the given values into the formula:
Infusion time (in hours) = 376 mL / 40 mL/hr Infusion time (in hours) = 9.4 hours
To convert this to hours and minutes, we can separate the integer and decimal parts of the answer:
9 hours (integer part) and 0.4 hours x 60 minutes/hour = 24 minutes (decimal part)
Therefore, the infusion time is 9 hours and 24 minutes, and the infusion will finish at approximately 04:54 (19:30 + 9 hours and 24 minutes).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Robitussin DM contains 100 mg of guaifenesin per 1 teaspoon. One teaspoon is equivalent to 5 milliliters, so 100 mg is present in 5 mL. Therefore, 10 mL of Robitussin DM contains 2 times the amount of guaifenesin in 1 teaspoon or 200 mg.
Correct Answer is C
Explanation
To calculate the drug dosage, multiply the prescribed dose per kilogram by the client’s weight in kilograms:
0.5 mg/kg x 57 kg = 28.5 mg
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