Matching Pairs 1.13 Natural History of disease and Levels of preventionOnline version Natural History of disease and Levels of prevention by Jorge Arizpe 1 Is an example of the Terciary level of prevention 2 Is an example of the Secondary level of prevention 3 Stage in which symptoms and signs can be distinguished. An agent has managed to break the state of homeostasis 4 Is an example of the First Level of Prevention 5 It is the stage at which guest - Agent and environment are in balance 6 It is the name given to the process of developing a disease without medical intervention. It has three stages prepatogenic, pathogenic and result