You go with a friend to visit her Grandma Mary for a nice home-cooked meal. When you arrive, her grandmother does not come to the door when you knock. Figuring she did not hear youafter all, her hearing is not the best and she does not always wear her hearing aidyour friend uses the spare key she has to go inside. In the living room, you discover the real reason Grandma Mary did not come to the door. She has fallen and cannot put weight on her leg to get back up. She tells you, "I just don't know how this happened