What is the recommended diet for patients undergoing hemodialysis?

I. A hemodialysis treatment helps control blood pressure and balance important minerals in the blood such as potassium, sodium, and calcium.
II. During hemodialysis, blood is pumped through a filter known as a dialyzer outside the body.
III. At the beginning of a hemodialysis treatment, a nurse or dialysis technician will place two needles in the patient's arm.
IV. Patients undergoing hemodialysis should avoid consuming fresh tomatoes, nuts, chocolate, grapes, bananas, citrus fruits, and salted foods.
V. Recommended foods for patients undergoing hemodialysis include olive oil, pasta, lean meat, fish, and a maximum of two pieces of fruit per day.
a) I, II, III, IV, and V are correct.
b) I, II, and III are correct.
c) IV and V are correct.