Final answer:
A client with chronic kidney disease and a high potassium level of 7.3 mEq/L should avoid foods that are high in potassium, such as orange juice, spinach, bananas, and watermelon. Instead, they should focus on a low-potassium diet.
Step-by-step explanation:
For a client with chronic kidney disease and a potassium level of 7.3 mEq/L, it is important to avoid foods that are high in potassium. The options given - orange juice, spinach, bananas, and watermelon - are all high in potassium and should be avoided in this situation. Instead, the client should focus on a low-potassium diet. Some foods that are low in potassium include apples, berries, rice, pasta, and bread. It is always best to consult with a healthcare professional for specific dietary recommendations in the case of chronic kidney disease.