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A healthcare provider prescribes one 250 mg capsule of amoxicillin to be administered tid for 5 days to a client.
Calculate the number of capsules of amoxicillin required for 5 days.

A.

15 capsules

B.

5 capsules

C.

25 capsules

D.

3 capsules

Answer and Explanation

The Correct Answer is A

To find the number of capsules of amoxicillin required for 5 days, you need to calculate the following:


- The total dose of amoxicillin in milligrams (mg) for 5 days using the formula: Total dose (mg) = Prescribed dose (mg) x Frequency (times/day) x Duration (days)
- The number of capsules of amoxicillin using the formula: Number of capsules = Total dose (mg) / Strength per capsule (mg)


First, use the formula for total dose to find the amount of amoxicillin in milligrams for 5 days:


Total dose (mg) = Prescribed dose (mg) x Frequency (times/day) x Duration (days)


Since the prescribed dose is 250 mg, the frequency is 3 times per day, and the duration is 5 days, plug in these values into the formula:


Total dose (mg) = 250 mg x 3 times/day x 5 days


Simplify and solve for the total dose:


Total dose (mg) = 3750 mg


Next, use the formula for number of capsules to find how many capsules of amoxicillin are needed:


Number of capsules = Total dose (mg) / Strength per capsule (mg)
 
Since the total dose is 3750 mg and the strength per capsule is 250 mg, plug in these values into the formula:


Number of capsules = 3750 mg / 250 mg


Simplify and solve for the number of capsules:


Number of capsules = 15


Therefore, the client needs **15 capsules** of amoxicillin for 5 days.
 


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Related Questions

Correct Answer is A

Explanation

The IV infusion will be completed at 13:20.

This answer is correct because it is based on a simple division and addition calculation. The nurse can divide the total volume of the infusion by the infusion rate to get the duration of the infusion in hours, as follows:

1000 mL / 250 mL/hr = 4 hr

Therefore, the infusion will take 4 hours to complete. The nurse can add 4 hours to the start time of the infusion to get the end time, as follows:

09:20 + 4:00 = 13:20

Therefore, the IV infusion will be completed at 13:20.

Correct Answer is B

Explanation

The nurse should administer 60 mL of the supplement in a day.

This answer is correct because it is based on a simple unit conversion and multiplication calculation. The nurse can convert 60 mEq to 20 mL by using the ratio given on the botle label, as follows:

30 mEq / 10 mL = 60 mEq / x mL

Cross-multiplying and solving for x gives:

x = 20 mL

Therefore, the nurse should administer 20 mL of the supplement to deliver 60 mEq of the medication to the patient. Since the order is for three times a day, the nurse should multiply 20 mL by 3 to get the total daily dose, which is 60 mL.

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