REHS Practice Questions and Correct Answers

REHS Practice Questions and Correct Answers A disease or infectious agent that has a constant presence within a geographic area is said to be: Endemic The regulation of food production, process and service to ensure freedom from toxic substances and pathogens and to assure food of good nutritional content is an example of Source Control A person, animal, arthropod, plant, soil, or substance in which an infectious agent normally lives and multiplies, on which it depends primarily for survival, and where it reproduces itself in such a manner that it can be transmitted to a susceptible host is a Reservoir A case-control study is associated with EACH of following EXCEPT: Relative Risk A helminth disease agent transmitted by infected freshwater snails is: Schistoma Mansoni Evaluation of trends in health and disease, providing a basis for planning and evaluating health services, and identifying problems to be studied by analytic methods are the aims of Descriptive Epidemiology