Final answer:
To manage high blood pressure and reduce sodium intake, the nurse should advise the patient to increase their intake of potassium, which can help counteract the effects of sodium on blood pressure.
Step-by-step explanation:
The nurse should recommend increasing potassium intake to help reduce sodium retention and manage high blood pressure. Evidence indicates that an adequate intake of potassium can have a favorable effect on blood pressure by reducing sodium retention and offering various cardiovascular protective effects. Potassium-rich foods include fruits like bananas and vegetables like spinach. In addition to dietary choices, it is suggested to limit sources of high sodium such as processed foods and to be mindful of sodium levels indicated on nutrition facts labels.