A nurse is assisting with preparing a client who is to have a central venous catheter inserted for the administration of total parenteral nutrition (TPN). Which of the following actions should the nurse take?

Potassium is an essential electrolyte that plays a crucial role in various bodily functions. However, for individuals with an electrolyte imbalance, it is often necessary to limit their potassium intake. Among the options provided, baked chicken breast is the lowest in potassium. Cantaloupe is relatively high in potassium. A cup of diced cantaloupe contains about 430 mg of potassium.

Sweet potatoes are known for their high potassium content. A medium-sized sweet potato with skin contains about 542 mg of potassium.

Orange juice also contains a moderate amount of potassium. An 8-ounce serving of orange juice typically contains around 450 mg of potassium.

Chicken breast is naturally low in potassium compared to fruits and vegetables. It contains about 260 mg of potassium per 4-ounce serving.

Therefore, among the given options, the baked chicken breast is the lowest in potassium and would be the most suitable choice for a client with an electrolyte imbalance requiring a low-potassium diet.

1. "Your health care surrogate will make decisions on your behalf if you are unable": This statement is correct. A health care surrogate, also known as a health care proxy or durable power of attorney for health care, is an individual designated by the client to make medical decisions on their behalf if they become unable to make decisions for themselves. It is important for the client to choose someone they trust and who understands their values and wishes.
2. "You will need an attorney to appoint a health care surrogate": This statement is not necessarily true. While involving an attorney can be helpful, it is not always required to appoint a health care surrogate. In many jurisdictions, a legally valid health care surrogate designation can be made through a simple document or form provided by the hospital or a local government office. It is important to check the specific legal requirements in the client's jurisdiction.
3. "You should appoint a family member as your health care surrogate": This statement is a subjective recommendation and may not be applicable to all individuals. The decision of whom to appoint as a health care surrogate should be based on the client's personal preferences and the individual's ability to make informed decisions according to the client's wishes. While a family member is often chosen, it is not a requirement, and the client may choose a close friend, partner, or anyone else they trust to fulfill this role.
4. "Once you have completed a living will, it cannot be changed": This statement is incorrect. A living will, which is a type of advanced directive, can be changed or revoked at any time by the client as long as they are competent to do so. It is important for the client to review and update their living will periodically to ensure that it reflects their current wishes regarding medical care and treatment.