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.)

Answer and Explanation

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.

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Correct Answer is C

Explanation

Choice A reason: pH 7.30 with elevated HCO3- and PaCO2 suggests compensated respiratory acidosis, not typical for chronic kidney disease.

Choice B reason: pH 7.55 with elevated HCO3- and low PaCO2 suggests metabolic alkalosis, which is not typical for chronic kidney disease.

Choice C reason: pH 7.25 with decreased HCO3- and PaCO2 suggests metabolic acidosis, which is expected in chronic kidney disease due to the accumulation of acids.

Choice D reason: pH 7.50 with low HCO3- and PaCO2 suggests compensated metabolic alkalosis, which is not typical for chronic kidney disease.

A. Carvedilol B. Atorvastatin C. Nitroglycerin D. Metformin

Correct Answer is D

Explanation

Choice A reason: Carvedilol does not typically interact with contrast material to increase the risk of acute kidney injury.

Choice B reason: Atorvastatin does not typically interact with contrast material to increase the risk of acute kidney injury.

Choice C reason: Nitroglycerin does not typically interact with contrast material to increase the risk of acute kidney injury.

Choice D reason: Metformin can interact with contrast material and increase the risk of acute kidney injury, especially

in clients with pre-existing kidney problems.

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Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is reviewing the arterial blood gas values of a client who has chronic kidney disease. Which of the following sets of values should the nurse expect?

Correct Answer is C

Explanation

A nurse is collecting a medication history from a client who is scheduled to have a cardiac catheterization. Which of the following medications taken by the client interacts with contrast material and places the client at risk for acute kidney injury?

Correct Answer is D

Explanation

A nurse is providing teaching to a client who has renal failure and an elevated phosphorous level. The provider instructed the client to take aluminum hydroxide 300 mg PO three times daily. For which of the following adverse effects should the nurse inform the client?

A nurse is caring for a client who has a new arteriovenous (AV) graft in his left forearm. Which of the following techniques should the nurse use to assess the patency of this graft?

A nurse is caring for a client immediately following a hemodialysis treatment. For which of the following manifestations will the nurse administer a PRN dose of phenytoin?

A nurse is caring for a client following his first hemodialysis treatment. The client reports a headache, nausea, and restlessness. The nurse should identify these findings as manifestations of which of the following complications?

A nurse is teaching a client who has chronic kidney disease about limiting foods that are high in potassium. Which of the following foods should the nurse instruct the client to avoid? (Select all that apply.)

A nurse removes a client's Foley catheter and documents that the client urinates 4 hours later. Which of the following elements of postoperative care is the nurse performing?

A nurse is caring for a group of clients on a medical-surgical unit. Which of the following clients is at greatest risk for urinary retention?

A nurse is caring for a group of clients on a medical-surgical unit. Which of the following clients is at greatest risk for urinary retention?