(a) Each resident must receive, and the facility must provide, the necessary care and services to attain or maintain the highest practicable, physical, mental, and psychosocial well-being consistent with the resident's comprehensive assessment and care plan.(1) Based on the comprehensive assessment of a resident and consistent with the resident's needs and choices, the facility must provide the necessary care and services to ensure that a resident's abilities in activities of daily living do not diminish unless circumstances of the resident's clinical condition demonstrate that such diminution was unavoidable.(2) This includes the facility ensuring that:(A) a resident is given the appropriate treatment and services to maintain or improve the ability to carry out the activities of daily living, including those specified in subsection (b) of this section;(B) a resident who is unable to carry out activities of daily living receives the necessary services to maintain good nutrition, grooming, and personal and oral hygiene; and(C) personnel provide basic life support, including CPR, to a resident requiring such emergency care prior to the arrival of emergency medical personnel and subject to related physician orders and the resident's advance directives.(b) The facility must provide care and services in accordance with subsection (a) of this section for the following activities of daily living:(1) hygiene - bathing, dressing, grooming, and oral care;(2) mobility - transfer and ambulation, including walking;(3) elimination - toileting;(4) dining - eating including meals and snacks; and(5) communication - speech, language, and other functional communication systems.(c) If a child is admitted to a facility, care must be provided to meet the child's unique medical and developmental needs.(d) Pediatric residents should be matched with roommates of similar age and developmental levels.