Rehs study exam water Study guides, Class notes & Summaries

REHS Exam Questions With Solutions Epidemic occurrence of a disease in a community/region clearly more than the normal occurrence Endemic Disease expected to be around to some degree within a geographical area Pandemic disease exists throughout a wide area, like cities or countries or the world Epidemiology Study of the causation of disease or science of distribution of diseases and the factors that influence distribution Common routes of exposure Flies, hands/fingers, water, and food

NEHA REHS/RS EXAM / QUESTIONS AND VERIFIED ANSWERS 2023/2024 / GRADED A+ 100% CORRECT. 2 / 5 1. The Inverse Square Law is commonly usedin which environmental health program areas to calculate the intensity or strength of a substance at a specified distance fromthe point source? a. radiation, lighting, and noise b. noise, air emissions, and radiation c. radiation,fluoridation in water,lighting, and noise d. lighting,sewage contamination instream, and air emissions: ANSW* A 2. If 1...

REHS Exam - Epidemiology (And some Communicable Disease) with Complete Solutions(Graded A+) A Cohert Study is characterized by: - ANSWER-Group of exposed individuals who can easily be identified Allows for comparison of risk by what was and was not eaten ex: wedding A Case-Control Study is characterized by: - ANSWER-Exposed group that is very large or not easily identified Compares ill with non-ill to determine the likelihood of having eaten a specific food ID's possible causes of dis...

NEHA REHS/RS Exam - Practice QuestionsThe Inverse Square Law is commonly used in which environmental health program areas to calculate the intensity or strength of a substance at a specified distance from the point source? a. radiation, lighting, and noise b. noise, air emissions, and radiation c. radiation, fluoridation in water, lighting, and noise d. lighting, sewage contamination in stream, and air emissions - correct answer A If 15x + 3 = 7x - 13, then x equals a. - 2.0 b. +...

REHS study Exam questions & Answers, VERIFIED How far to bury animals from the house - -100 ft What chemical is used to raise total alkalinity - -Sodium bicarbonate Define a weight scale - -Light, radiation, noise What chemical is used to raise total alkalinity (and/or pH)? - -Sodium bicarbonate Hemolytic Uretic syndrome caused by? - -E. Coli 0157: H7 What is Psittacosis - -Comes from bird droppings, pneumonia like Zone of Decomposition - -The dissolved oxygen in the water is further re...

REHS/RS Recreational Water Complete Study Exam. What would you expect from a swimming pool with a high pH reading? - CORRECT ANSWER Cloudiness and irritation to the eyes What chemical raised pH in a pool? - CORRECT ANSWER Sodium Carbonate (soda ash/caustic soda) What chemical oxygenates swimming pools? - CORRECT ANSWER Sodium Carbonate How would a swimmer most likely contract Legionella pneumophila from a pool? - CORRECT ANSWER inhalation of pool water vapor What bacteria is con...

REHS Exam Questions and Answers Latest Updated 2024/2025 (Graded A+) A factor or agent which increases the risk of cancer is known as a a. teratogen b. mutagen c. carcinogen d. fomite - carcinogen 2. The four major causes of death among all age groups of Americans include all of the following except. a. homicide b. accidents c. malignant neoplasms d. heart disease - homicide 3. In recent years, the largest number of rabies cases were associated with a. skunks b. bats c. dogs d. r...

REHS Exam - Epidemiology (& some Communicable Disease) Questions and Answers 100% Verified A Cohert Study is characterized by: Group of exposed individuals who can easily be identified Allows for comparison of risk by what was and was not eaten ex: wedding A Case-Control Study is characterized by: Exposed group that is very large or not easily identified Compares ill with non-ill to determine the likelihood of having eaten a specific food ID's possible causes of disease by seeing ...

CA REHS: Hazardous Materials Study Revision Exam Questions. Corrosive - CORRECT ANSWER Acids (pH ≤ 2) or bases (pH ≥ 12.5) and/or wastes capable of slowly destroying or damaging metal containers, such as storage tanks, drums, and barrels. E.g. Battery acid Ignitable - CORRECT ANSWER Wastes that can create fires under certain conditions, are spontaneously combustible, or have a flash point less than 60 °C (140 °F). E.g. waste oils, used solvents, etc Toxic - CORRECT ANSWER Wastes...

REHS – Disease Study Exam Questions Correctly Solved. EPIDEMIC - CORRECT ANSWER a widespread occurrence of an infectious disease in a community at a particular time. ENDEMIC - CORRECT ANSWER of a disease or condition) regularly found among particular people or in a certain area. EPIZOOTIC - CORRECT ANSWER relating to or denoting a disease that is temporarily prevalent and widespread in an animal population. ZOONOSIS - CORRECT ANSWER a disease that can be transmitted to humans fro...