A nurse is preparing to administer dexamethasone 3 mg PO.
Available are dexamethasone 1.5 mg tablets.
How many tablets should the nurse administer? (Round the answer to the nearest whole number.
Use a leading zero if it applies. Do not use a trailing zero.).
1.
2.
3.
4.
The Correct Answer is B
The nurse should administer 2 tablets.
Since each tablet contains 1.5 mg of dexamethasone, to administer a dose of 3 mg, the nurse should give 3 mg / 1.5 mg/tablet = 2 tablets.
Choice A is incorrect because 1 tablet would only provide a dose of 1.5 mg.
Choice C is incorrect because 3 tablets would provide a dose of 4.5 mg.
Choice D is incorrect because 4 tablets would provide a dose of 6 mg.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
The nurse should insert the needle at a 90-degree angle when administering heparin subcutaneously 1.
Choice B is incorrect because the nurse should not massage the injection site after administering the heparin.
Choice C is incorrect because it is not necessary to prepare for a blood test prior to injecting the heparin.
Choice D is incorrect because there is no specific requirement to select a 22-gauge needle for heparin administration.
Correct Answer is B
Explanation
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.
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