The nurse is administering an IV potassium chloride supplement to a client who has heart failure. When developing a plan of care for this client, which of the following should the nurse incorporate?...

The nurse is administering an IV potassium chloride supplement to a client who has heart failure. When developing a plan of care for this client, which of the following should the nurse incorporate?

1. Hyperkalemia will intensify the action of the client's digoxin (Lanoxin) preparation.

2. The client's potassium levels will be unaffected by a potassium-sparing diuretic.

3. The administration of the IV potassium chloride should not exceed 10 or a concentration of 40.

4. Metabolic alkalosis will increase the client's serum potassium levels.