Ordered: Erythromycin Base Filmtab 250 mg #28; take 1 tab po q6h. What is the days' supply?
5 days
7 days
28 days
4 days
The Correct Answer is B
Calculation:
Total tablets = 28 tablets.
- Calculate the number of tablets to be taken per day.
The order is to take 1 tablet every 6 hours ("q6h").
Number of doses per day = 24 hours / 6 hours/dose
= 4 doses per day.
Since each dose is 1 tablet, the patient takes 4 tablets per day.
- Calculate the total days' supply.
Days' supply = Total tablets / Tablets per day
= 28 tablets / 4 tablets/day
= 7 days.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["17.5"]
Explanation
Ordered dose: 175 mg.
- Determine the concentration of the medication from the label.
The label states the concentration is 50 mg per 5 mL.
Concentration:
50 mg / 5 mL
= 10 mg/mL.
- Calculate the volume to administer per dose.
Volume (mL) = Desired Dose / Concentration
= 175 mg / 10 mg/mL
= 17.5 mL.
Correct Answer is D
Explanation
A. roller clamp: The roller clamp is used to regulate or stop the flow rate of IV fluids, not to introduce medications or additional fluids. It does not provide access to the IV line for injection purposes.
B. slide clamp: The slide clamp is primarily used to completely occlude or temporarily stop IV flow. It is not designed for medication administration or fluid addition to the IV line.
C. drip chamber: The drip chamber is used to monitor and control the drip rate of the IV fluid. Medications should never be injected directly into the drip chamber, as this bypasses proper safety and dosing procedures.
D. Injection port: The injection port provides safe and sterile access to the IV tubing for administering medications or compatible fluids. It allows the nurse to introduce substances directly into the primary IV line using a syringe.
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