A client is receiving Dextrose 5% in Water (DW) 1,000 ml at 75 ml/hour. The nurse hangs the bag of IV fluids at 0300. At what time, based on the 24-hour clock, should the infusion be completed?
1630.
0420.
1620.
0430.
The Correct Answer is C
To calculate the infusion time, we'll use the following formula:
Infusion Time (hours) = Total Volume (mL) / Infusion Rate (mL/hour)
Plugging in the given values:
Infusion Time = 1000 mL / 75 mL/hour
Calculating the result:
Infusion Time ≈ 13.33 hours
Converting hours to minutes:
0.33 hours x 60 minutes/hour ≈ 20 minutes
Therefore, the infusion will be completed approximately 13 hours and 20 minutes after it started at 0300.
Adding 13 hours and 20 minutes to 0300:
0300 + 13 hours + 20 minutes = 1620
So, the correct answer is C. 1620.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["160"]
Explanation
To prepare a 4-hour solution of Osmolite® 1/2 strength enteral formula at 80 ml/hour, the nurse will need to dilute the full-strength formula with a certain amount of water.
Step 1: Calculate the total volume of the 1/2 strength formula needed for 4 hours:
Total Volume = Infusion Rate (mL/hour) x Infusion Time (hours)
Total Volume = 80 mL/hour x 4 hours
Total Volume = 320 mL
Step 2: Determine the volume of full-strength Osmolite® needed:
Since the desired solution is 1/2 strength, we need to dilute the full-strength formula by half.
Volume of Full-Strength Osmolite® = Total Volume / 2
Volume of Full-Strength Osmolite® = 320 mL / 2
Volume of Full-Strength Osmolite® = 160 mL
Step 3: Calculate the volume of water needed to dilute the full-strength Osmolite®:
Volume of Water = Total Volume - Volume of Full-Strength Osmolite®
Volume of Water = 320 mL - 160 mL
Volume of Water = 160 mL
Therefore, the nurse should dilute the full-strength Osmolite® with 160 mL of water to prepare a 4-hour solution.
Correct Answer is ["1.5"]
Explanation
Calculating the Alprazolam Dose
Problem: Administer 0.75 mg of alprazolam PO. The available concentration is 0.5 mg/tablet.
Steps:
Set up a proportion:
We want to find the number of tablets needed.
We know the desired dose (0.75 mg) and the concentration of the medication (0.5 mg/tablet).
Proportion:
x tablets / 0.75 mg = 1 tablet / 0.5 mg
Cross-multiply:
0.5x = 0.75
Solve for x:
x = 0.75 / 0.5
x = 1.5
Answer: The nurse should administer 1.5 tablets of alprazolam per dose.
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