Correct Answer: B

Rationale: Allopurinol can cause kidney stones due to the formation of uric acid crystals, so it is crucial for the client to increase their fluid intake. Adequate hydration helps to prevent the formation of kidney stones by diluting the urine and promoting the excretion of uric acid. Therefore, advising the client to increase their fluid intake is essential in preventing this adverse effect while taking Allopurinol.

Correct Answer: D

Rationale: In severe Aspirin toxicity, respiratory depression is an anticipated finding due to the development of respiratory acidosis. Aspirin toxicity can lead to metabolic acidosis, causing the individual to hyperventilate initially to compensate. However, as the condition progresses, respiratory depression can occur, resulting in impaired gas exchange and respiratory acidosis.

Correct Answer: A

Rationale: The correct answer is to take simvastatin in the evening. This timing is recommended because nighttime is when the most cholesterol is synthesized in the body. By taking statin medications in the evening, it can enhance their effectiveness in reducing cholesterol levels.

Correct Answer: A

Rationale: The nurse should instruct the client to report tinnitus because it can be an indication of ototoxicity, a potential adverse effect of cisplatin. Ototoxicity can manifest as tinnitus, hearing loss, or balance disturbances, so it is crucial for the client to promptly report any changes in hearing such as tinnitus to prevent further damage.

Correct Answer: D

Rationale: Avoiding reinserting the needle into an IV catheter is crucial to minimizing the risk of catheter embolism. Reinserting the needle can lead to the severing of the catheter's end, potentially causing a catheter embolism, a serious complication. The other options, while important for IV therapy safety, are not directly related to preventing catheter embolism.