Guess Paper

1- What is preventive medicine 2- What is three level of prevention 3- Ultimate lgoals of health protection 4- Ecosystem 5- Food chain 6- Bioconcentration 7- Biomagnification 8- The relationship between human and environment 9- What is environmental pollution 10- The character of environmental pollution 11- 4 step risk assessment process 12- Define the term water pollution, BOD, COD, DO, eutrophication and water borne disease 13- Know the advantages and disadvantages of ground and surface water sources 14- Identify the classes of water pollutants and the types of pollution 15- Know typical pollutants within the three classes 16- Describe the epidemiological characteristics of water borne disease 17- Identify the cause of minimata disease and itai-itai disease respectively 18- Define the terms of total bacterial count, total coliform group and the free residual chlorine. 19- State the general sanitary demand for drinking water quality 20- State proper procedures for water treatment 21- State the mechanism of chlorination 22- State major symptoms and the main causes of endemic flurosis 23- State the epidemiological character and preventive measures of endemic fluorosis.