Correct Answer: D

Rationale: Acarbose can cause liver toxicity when taken long-term. Liver function tests should be monitored periodically while the client takes this medication.

Correct Answer: D

Rationale: Conjugated equine estrogens are contraindicated in individuals with a history of thrombophlebitis due to the increased risk of thrombotic events associated with estrogen use. Thrombophlebitis is a condition characterized by inflammation and blood clot formation in the veins, and estrogen therapy can exacerbate this condition, leading to serious complications such as deep vein thrombosis. Therefore, caution is advised when considering estrogen therapy in clients with a history of thrombophlebitis to prevent adverse outcomes.

Correct Answer: C

Rationale: The correct answer is C: Sedation. Dextromethorphan can cause sedation, so the client should be advised to avoid activities that require alertness. Diarrhea, anxiety, and palpitations are not commonly associated adverse effects of Dextromethorphan.

Correct Answer: C

Rationale: Ulcerations in the mouth, tongue, or throat are often the first signs of methotrexate toxicity and should be reported to the provider immediately.

Correct Answer: C

Rationale: The nurse should monitor the hematocrit level to evaluate the effectiveness of Epoetin Alfa therapy. Epoetin Alfa stimulates red blood cell production, leading to an increase in hematocrit levels. Monitoring the hematocrit helps assess the response to therapy and ensures that the medication is effectively addressing the anemia.