A nurse is preparing to administer aspirin 650 mg PO. Available in aspirin 325 mg tablets.
How many tablets should the nurse administer?
1.
2.
3.
4.
The Correct Answer is B
The nurse should administer 2 tablets.
Since each tablet contains 325 mg of aspirin, to administer a dose of 650 mg, the nurse should give 650 mg / 325 mg/tablet = 2 tablets.
Choice A is incorrect because 1 tablet would only provide a dose of 325 mg.
Choice C is incorrect because 3 tablets would provide a dose of 975 mg.
Choice D is incorrect because 4 tablets would provide a dose of 1300 mg.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
The nurse should administer 2.5 tablets.
To determine the number of tablets needed to administer a dose of 5 mg using 2 mg tablets, you can divide the desired dose (5 mg) by the available tablet strength (2 mg/tablet): 5 mg ÷ 2 mg/tablet = 2.5 tablets.
Choice A is incorrect because administering 2 tablets would only provide a dose of 4 mg (2 tablets x 2 mg/tablet = 4 mg).
Choice C is incorrect because administering 2.6 tablets would provide a dose of 5.2 mg (2.6 tablets x 2 mg/tablet = 5.2 mg).
Choice D is incorrect because administering 3 tablets would provide a dose of 6 mg (3 tablets x 2 mg/tablet = 6 mg).
Correct Answer is ["1"]
Explanation
The physician has ordered a total of 2 g/day of vancomycin hydrochloride to be taken in 4 divided doses.
This means that each dose should be 2 g/day ÷ 4 = 0.5 g/dose.
Since the pharmacy has filled the prescription with 500 mg capsules, and 500 mg is equivalent to 0.5 g, the client should take 1 capsule per dose.
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