A nurse is preparing to administer diphenhydramine 50 mg PO every 6 hours to a client who has acute dystonia.
Available are diphenhydramine 25 mg tablets. How many tablets should the nurse administer per dose?
(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["2"]
Step 1: The total amount of diphenhydramine required per dose is 50 mg.
Step 2: Each tablet contains 25 mg of diphenhydramine.
Step 3: To find out how many tablets are needed, we divide the total amount required by the amount in each tablet. So, 50 mg ÷ 25 mg/tablet.
Step 4: The result is 2 tablets.
So, the nurse should administer 2 tablets per dose. This is already a whole number, so no rounding is necessary.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C","D"]
Explanation
Choice A reason: Ensuring the client's urine output is at least 1 mL/kg/hour is important before administering potassium to prevent hyperkalemia, especially in clients with renal impairment.
Choice B reason: While educating the client about high-potassium food sources is important, it is not directly related to the administration of intravenous potassium.
Choice C reason: Cardiac monitoring during infusion is crucial due to the risk of arrhythmias associated with rapid
changes in potassium levels.
Choice D reason: Repeating blood serum potassium is necessary to monitor the effectiveness of the supplementation and avoid hyperkalemia.
Choice E reason: Potassium should not be prepared with 5% dextrose solution as it may cause a trans-cellular shift of potassium into cells, which is not recommended.
Correct Answer is C
Explanation
Choice A reason: Renal failure is typically associated with abnormal creatinine and BUN levels, which are not
indicated in the given lab values.
Choice B reason: A low-protein diet is not directly indicated by the lab values provided and does not typically result in
collapse after exertion.
Choice C reason: Dehydration is consistent with the client's history of collapsing after playing football on a hot day
and is supported by the elevated sodium level.
Choice D reason: SIADH usually presents with low sodium levels due to dilution, which is not the case here.
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