Correct Answer: D

Rationale: Metformin is known to potentially cause lactic acidosis, especially in patients with impaired renal function. Monitoring serum creatinine levels is essential for assessing kidney function and detecting any adverse effects of Metformin on renal health.

Correct Answer: C

Rationale: The correct answer is C: Gynecomastia. Bicalutamide, due to its antiandrogenic properties, can lead to gynecomastia in clients. This condition involves the development of breast tissue in males and is an important adverse effect to monitor when taking this medication.

Correct Answer: B

Rationale: Offering oral hygiene every 2 hours is essential for a client receiving opioid analgesics to prevent dry mouth, nausea, and vomiting, which are common adverse effects associated with opioid use. This intervention promotes comfort and enhances the client's well-being during labor.

Correct Answer: D

Rationale: Levothyroxine should be initiated at a low dose and titrated gradually over several weeks to achieve therapeutic levels. This approach helps to minimize the risk of adverse effects, particularly in older adult clients who may be more sensitive to medication changes. Starting at a low dose allows for close monitoring of the client's response and adjustment of the dosage as needed to optimize treatment outcomes.

Correct Answer: A

Rationale: It is important for the nurse to educate the client about the increased risk for a myocardial infarction when taking Celecoxib due to its effect on suppressing vasodilation, which can lead to this adverse cardiovascular event. Monitoring for signs of heart issues and discussing the importance of seeking prompt medical attention if symptoms occur is crucial in the patient's education.