Aid and attendance is defined as: inability to dress or undress, or to keep ordinarily clean and presentable; frequent need of adjustment of any special prosthetic or orthopedic appliances which by reason of the particular disability cannot be done without aid; inability to feed oneself through loss of coordination of upper extremities or through extreme weakness; inability to attend to the wants of nature; or physical or mental incapacity which requires care or assistance on a regular basis to protect the claimant from hazards or dangers incident to the daily environment