CPH Exam: Environmental Health Sciences questions with correct answers

Environmental Health - correct answer Comprises those aspects of human health, including quality of life, that are determined by physical, chemical, biological, social, and psychosocial factors in the environment. It also refers to the theory and practice of assuming, correcting, controlling, and preventing those factors in the environment that potentially can affect adversely the health of present and future populations. In the past, population growth presented challenges such as: - correct answer 1) Adequate quality food/water* 2) Waste production/removal/disposal 3) Infectious disease 4) Safety 5) Industry/economy/capacity Common occupational respiratory diseases: - correct answer 1) Asbestosis: - Previously used as an insulator - Inhaled fibers - Causes mesothelioma and bronchogenic carcinoma - Blue asbestos is the most toxic 2) Silicosis: - Sand inhalation via dust (dirt which generates silicic acid and kills macrophages - finally dead cells are replaced with scar tissue - Inflammatory lung disease 3) Coal workers' pneumoconiosis: - "Black lung disease" - Miners inhaling coal dust - producing respiratory deficits and fibrosis - Chronic obstructive lung disease