Correct Answer: A

Rationale: The correct answer is A. Recording symptoms that occur with activity is crucial when wearing a Holter monitor. This information helps in correlating symptoms with cardiac events, aiding in the diagnosis and treatment of the client's condition. The client's understanding of this aspect demonstrates comprehension of the procedure and its purpose.

Correct Answer: B

Rationale: Encouraging the client to schedule a digital rectal exam is the most appropriate nursing action in this situation. This exam can help evaluate for potential prostate enlargement or other issues contributing to the urinary symptoms described by the client. It is important to assess the prostate gland for any abnormalities that may be causing the urinary issues reported by the client.

Correct Answer: C

Rationale: Monitoring blood glucose levels regularly is crucial for clients with type 2 diabetes who are taking metformin. This helps assess the effectiveness of the medication in managing blood sugar levels and allows for timely adjustments in the treatment plan if needed. By monitoring blood glucose levels, the client and healthcare team can work together to achieve optimal diabetes control and prevent complications associated with uncontrolled blood sugar levels.

Correct Answer: B

Rationale: Furosemide (Lasix) is a loop diuretic that can lead to potassium loss, causing hypokalemia. Monitoring serum potassium levels is crucial to prevent complications such as cardiac dysrhythmias associated with low potassium levels.

Correct Answer: A

Rationale: Increasing the intake of high-calcium foods is essential for improving bone density and managing osteoporosis. Calcium is a key mineral necessary for bone health, and individuals with osteoporosis often need higher levels of calcium to help strengthen their bones and prevent further bone loss. Therefore, advising the client to increase their intake of high-calcium foods is the most appropriate dietary modification to support their bone health.