NEHA REHS/RS Exam -Review Questions with 100% Answers

NEHA REHS/RS Exam -Review Questions with 100% Answers The 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 *Ans* A If 15x + 3 = 7x - 13, then x equals a. - 2.0 b. +2.0 c. +2.5 d. +4.0 *Ans* A What is the legal term which describes the failure to perform an official duty as an Environmental Health Specialist without sufficient excuse? a. malfeasance b. misfeasance c. nonfeasance d. criminal responsibility *Ans* C In the field of public health law, state government's police power is an attribute of a sovereign government; whereas, the federal government is a government of a. absolute police power. b. delegated police power. c. limited delegated powers. d. constitutional police power. *Ans* C An epidemiological study which follows a group of people over time is a _____ study. a. regressive b. prospective c. progressive d. retrospective *Ans* B