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.
What does k stand for on a blood test? K is the symbol for potassium. Normal levels are between 3.5 and 5.5 mmol/L. Values outside this range require immediate attention by a doctor, particularly values above 6 â¦.5 where there is a risk of the heart stopping.