A nurse is caring for a client who has heart failure and a potassium level of 2.4 mEq/L. The nurse should identify which of the following medications as contributing to this lab value?

Choice A reason : Achieving a blood pressure of 120/80 is a general goal for overall cardiovascular health, but it is not specific to the management of heart failure. While controlling blood pressure is important in heart failure, the primary objective is to reduce the heart's workload¹.

Choice B reason : Reducing the workload on the heart is a key objective in managing heart failure. This can be achieved through medications that improve heart function, lifestyle changes, and sometimes surgical interventions. The goal is to improve the heart's efficiency and reduce symptoms such as shortness of breath and fatigue¹.

Choice C reason : Encouraging the client to walk briskly on a treadmill at 4 to 5 miles an hour may not be appropriate for all heart failure patients, especially without medical supervision. Exercise recommendations should be personalized based on the individual's condition and tolerance¹.

Choice D reason : While dietary modifications are part of heart failure management, completely eliminating all sodium and fat is not practical or recommended. Instead, a balanced diet with controlled sodium intake is advised to help manage fluid retention¹.

Choice A reason : Cleaning dentures in a denture cup is a standard hygiene practice but does not directly address the low WBC count. While maintaining oral hygiene is important, it is not the most critical action related to the client's immunocompromised state⁶.

Choice B reason : Replacing the water in flower vases daily is a good practice to prevent bacterial growth; however, it is recommended to avoid having flowers or plants in the room of an immunocompromised patient due to the risk of exposure to fungi and bacteria⁷.

Choice C reason : Humidifying the room can be beneficial for respiratory comfort, but it must be done with caution in immunocompromised patients. Humidifiers need to be kept clean to prevent the growth of bacteria and fungi, which could be harmful to a patient with a low WBC count⁷.

Choice D reason : Serving cooked fruit with meals is the correct action because cooking fruit can eliminate potential pathogens that the client's compromised immune system may not be able to handle. Raw fruits and vegetables can harbor bacteria and other pathogens, so serving them cooked is a safer option for someone with a low WBC count⁶⁷.