Mr. Jones is to receive 2.25 mL of a liquid medication every 4 hours. How much medication will he receive during 3 days
47.25 mL
50 mL
13.5 mL
40.5 mL
The Correct Answer is D
-
Let’s calculate step by step:
Dose ordered: 2.25 mL every 4 hours
How many doses per day?
24 hr4 hr=6 doses/day
Total per day:
2.25 mL×6=13.5 mL/day
Total for 3 days:
13.5 mL/day×3 days=40.5 mL
Correct Answer: D. 40.5 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. therapeutic fluids: Therapeutic fluids are administered to treat a specific condition, such as dehydration or electrolyte imbalance. They are not specifically used just to keep a vein open.
B. maintenance fluids: Maintenance fluids are given to meet the ongoing fluid and electrolyte needs of a client, especially when they can't eat or drink. They are not primarily used to preserve line patency.
C. replacement fluids: Replacement fluids are used to restore fluid losses due to vomiting, diarrhea, or bleeding. They are given in larger volumes and are not intended solely to keep a vein open.
D. KVO fluids: "Keep vein open" (KVO) fluids are minimal infusions used to maintain patency of an IV line. The goal is not hydration or therapy, but ensuring access for future medication or fluid delivery.
Correct Answer is ["3.5"]
Explanation
Ordered dose = 87.5 mg.
- Determine the concentration of the available medication from the label.
The label states that the concentration is 125 mg/5 mL.
Concentration = 125 mg / 5 mL
= 25 mg/mL.
- Calculate the volume to administer per dose using the formula:
Volume (mL) = Desired dose (mg) / Concentration (mg/mL)
= 87.5 mg / 25 mg/mL
= 3.5 mL.
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