A patient presents with persistent elevation of blood pressure readings during routine check-ups. Considering the pathophysiology and risk factors of hypertension, which of the following interventions is most appropriate for the nurse to prioritize in the care plan?

Suggest the patient begin taking multiple antihypertensive medications immediately.

Encourage increased physical activity and dietary changes, focusing on a low-sodium diet.

Instruct the patient to reduce fluid intake drastically.

Advise the patient to monitor blood pressure only during clinic visits.