NEHA, Tulane University REHS/RS Study materials| 360 Questions| With Complete Solutions

What is the most common cause for bacterial meningitis in children under five years of age? correct answer: Haemophilus influenza type B How is giardiasis usually transmitted to others? correct answer: person-to-person transfer of cysts from the feces of the infected individual Which of the following duties of state and local health agencies is intended to ensure that the public's health and welfare are protected? correct answer: Regulatory responsibilities What is a measure of the amount of light scattered by particles suspended in water for a test sample? correct answer: Nephelometric Turbidity Units (NTU) What is an epidemic? correct answer: the occurrence in a community or region of cases of an illness clearly in excess of expectancy What portal of entry should a field sanitarian protect to avoid contracting Lyme disease? correct answer: skin Swimmer's itch is a common name for which of the following diseases? correct answer: Schistosomiasis Which of the following factors would LEAST contribute to the emergence of new infectious disease? A. Human behavior B. Heat disinfection C. Antibiotic use D. Disinfectant use correct answer: B. Heat disinfection Listeriosis is commonly associated with... correct answer: contaminated food Hemolytic Uremic Syndrome is caused by infection with... correct answer: Escherichia coli 015 7:H7 The basic principles of disease control include all of the following EXCEPT: A. Lag phase B. Control of disease source C. Mode of transmission D. Susceptibility correct answer: A. Lag phase Describe the term endemic. correct answer: constant presence of an illness The interval between exposure to an infectious agent and the appearance of the first symptom is called... correct ans