Residential Care / Assisted Living: What Is Residential Care for the Elderly? Residential Care Facilities for the Elderly (RCFE) serve persons 60 and older. They provide room, board, housekeeping, supervision, and personal care assistance with basic activities like personal hygiene, dressing, eating, and walking.
A potassium test is used to measure the amount of potassium in your blood. Potassium is an electrolyte important for the functions of cells.
Blood potassium can be abnormal in many diseases. A healthcare practitioner may order this test, along with other electrolytes, to identify an electrolyte imbalance, if metabolic acidosis is suspected, or if there is high blood pressure or other symptoms of illness present.