Download NEHA RS/REHS Exam Questions and Answers: Environmental Health Practice and more Exams Public Health in PDF only on Docsity!
NEHA RS/REHS EXAM || 2025 - 2026||QUESTIONS WITH
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Question 1 An action authorized by law to restrict or prevent the movement of goods for the protection of public health, safety and welfare is called Choose one answer. a. an injunction b. an embargo c. an order to cease and desist d. a subpoena - an embargo Question 2 Field observations are not always reported in total because Choose one answer. a. the reported forms are usually inadequate b. the significance of the data is not understood c. the field staff are instructed to limit observations d. the supervisor may insist on reinspection - the significance of the data is not understood Question 3 In preparing a legal action, one of the first steps a sanitarian should do is to Choose one answer. a. obtain a warrant b. obtain a court order c. keep very accurate records d. check with other agencies - keep very accurate records Question 4 Which of the following statements is true regarding an inspection efficiency rating? Choose one answer. a. the average amount of time required for each inspection must be determined by the administrator of the sanitation program b. the quality of the inspections should be emphasized over quantity
c. the numerical rating obtained per year is less important as the relative change from year to year d. it is not possible to receive a rating over 100 percent - the numerical rating obtained per year is less important as the relative change from year to year Question 5 When a health violation is classified as a misdemeanor, it can be more readily resolved by . Choose one answer. a. criminal proceedings b. civil action c. immediately closing the facility d. posting a public notice - civil action Question 6 Which of the following is the most critical step needed before detailed information is collected? Choose one answer. a. determining how the information will be used b. determining how often the information will be updated c. determining how much time will be needed for data collection d. determining how much time will be needed for the record-processing unit to enter the data - determining how the information will be used Question 7 Which of the following is the most effective technique for ceasing operation of a noncomplying establishment? Choose one answer. a. a mandatory injunction b. revoking a license c. an injunction d. all of the above - all of the above
c. smoking d. all the above - all the above Question 12 Marks: 1 Legal proceedings to enforce a law may include Choose one answer. a. issuance of an order to eliminate a violation b. suspension of a permit c. civil sanctions d. all of the above - all of the above Question 13 Marks: 1 In an environmental control statistical report for program, the "total man-days expended" will Choose one answer. a. include the total number of premises or initial services in each program activity for which the local health unit is responsible b. refer to the number of premises where an annual, routine, or special inspection was made for the first time during the year c. show the type and amount of manpower allocated to each of the program activities d. none of the above - show the type and amount of manpower allocated to each of the program activities Question 14 Marks: 1 Which type of inspection would be conducted prior to legal action? Choose one answer. a. reinspection b. routine c. complete d. initial - reinspection
Question 15 Marks: 1 In order to perform an evaluation, the data collected must be reliable. Which of the following is not a definitive characteristic of reliability? Choose one answer. a. consistent b. easy to obtain c. reproducible d. dependable - easy to obtain Question 16 Marks: 1 The changing role of environmental health scientists, including their duties of administrating services to the public, has been brought about largely due to Choose one answer. a. adequate intelligence data on environmental trends showing the urgency for action b. stricter governmental control c. public recognition of the problems and the desire for higher quality of life d. none of the above - public recognition of the problems and the desire for higher quality of life Question 17 Marks: 1 Standards must be scientifically supported, understandable, measurable and Choose one answer. a. traditional b. acceptable to all parties involved c. enforceable d. rigid - enforceable Question 18 Marks: 1 The terms "goals" and "objectives" are sometimes used interchangeably; however, objectives should be considered as Choose one answer.
d. without regard to requests or demands that inspectors leave the premises - on the basis of a general administrative plan Question 22 Marks: 1 The statement of goals and objectives should recognize environmental quality and community needs such as Choose one answer. a. clean air b. clean food service establishments c. decent housing d. all the above - all the above Question 23 Marks: 1 A standard for dishwashing that states that the "total bacteria count should not exceed one hundred per utensil surface," is an example of what type of objective? Choose one answer. a. enforceable b. specification c. compliance d. performance - performance Question 24 Marks: 1 A well developed activity report can serve practically all the reporting needs of an organization for statistical purposes. Choose one answer. a. daily b. weekly c. monthly d. yearly - daily
Question 25 Marks: 1 To have a successful environmental control service, the retention of competent personnel is a primary concern. Which of the following is (are) required to retain competent personnel? Choose one answer. a. adequate salaries b. pleasant, stimulating working conditions c. a dynamic and challenging program d. all of the above - all of the above Question 26 Marks: 1 The number of inspections divided by the number of workdays should equal which of the following? Choose one answer. a. average number of inspections per workday b. average number of hours per inspection c. average number of city inspections per workday d. average number of county inspections per workday - average number of inspections per workday Question 27 Marks: 1 Since competent direction is essential to a divisional program's effectiveness, it is important to offer Choose one answer. a. bonus salaries b. marginal salaries c. a structured, incremental pay plan d. none of the above - none of the above Question 28 Marks: 1 From a legal standpoint, which of the following is true regarding enforcement of standards?
b. False - False Question 2 Marks: 1 Particulates larger than 10 microns can penetrate easily into the respiratory tract. Choose one answer. a. True b. False - False Question 3 Marks: 1 It is possible to control noise Choose one answer. a. at the source b. in its path of transmission c. where it is received d. all of the above - all of the above Question 4 Marks: 1 Fluorocarbons in the atmosphere are of concern because they may Choose one answer. a. react with the ozone in the upper atmosphere, thus reducing the total amount of ozone available b. cause an increase in ultraviolet radiation reaching the earth c. cause an increase in skin cancers and changes in our climate, animal, and plant life d. all of the above - all of the above Question 5 Marks: 1 The terms "washout" and "rainout" both refer to a cleansing process of pollutants in the atmosphere. Choose one answer. a. True b. False - True
Question 6 Marks: 1 A is a dimensionless unit to express physical intensity or sound pressure levels. Choose one answer. a. noise level b. decibel c. hertz d. sound pressure level (SPL) - decibel Question 7 Marks: 1 The frequency of a sound determines its pitch. Choose one answer. a. True b. False - True Question 8 Marks: 1 When two pollutants are combined, the effects are greater than the sum of the individual effects. This is called Choose one answer. a. commensalism b. synergism c. magnification d. multiplication - synergism Question 9 Marks: 1 Scrubbers are wet collectors generally used to remove particles that form as a Choose one answer. a. nonsoluable vapor b. mist, solid, or vapor c. fog, mist, or dust
b. False - False Question 14 Marks: 1 Air pollution control should first be considered at the Choose one answer. a. source b. stack c. industrial level d. suburban level - source Question 15 Marks: 1 If 10 decibels is 10 times more intense than one decibel, how many times more intense is 20 decibels than one decibel? Choose one answer. a. 20 b. 30 c. 100 d. 1000 - 100 Question 16 Marks: 1 The Montreal Protocol categorizes and _ in two classes based on their ozone- depiction potential. Choose one answer. a. CO2 and PAN b. CFCs and halons c. Ozone depleting greenhouse chemicals d. SO2 and CO - CO2 and PAN Question 17 Marks: 1
Glazing, silvering, or bronzing on the underside of a leaf is evidence that injury has occurred by Choose one answer. a. ozone b. peroxyacyl nitrates c. sulfur dioxide d. hydrogen fluoride - peroxyacyl nitrates Question 18 Marks: 1 The meteorological elements that have the most direct and significant effects on the distribution of air pollutants are Choose one answer. a. solar radiation b. wind speed and direction c. precipitation and stability d. all of the above - all of the above Question 19 Marks: 1 Turbulence is the wind characteristic that is Choose one answer. a. most predictable b. the most effective mechanism for the dispersion or dilution of a cloud or plume of pollutants c. responsible for generating cyclonic pollutants d. responsible for the agitation of otherwise harmless ions - the most effective mechanism for the dispersion or dilution of a cloud or plume of pollutants Question 20 Marks: 1 Some specific measures that can be used to reduce the effect of highway noise include Choose one answer. a. setting lower speed limits for certain sections of a highway
Question 24 Marks: 1 Stability of the atmosphere Choose one answer. a. is the ability to enhance or suppress vertical air motions b. is largely determined by the vertical temperature profile c. refers to the inertness of its composition d. a and b above - a and b above Question 25 Marks: 1 In what part of the earth's atmosphere are photochemical oxidants produced? Choose one answer. a. lithosphere b. stratosphere c. troposphere d. hydrosphere - troposphere Question 26 Marks: 1 Sources of pollutants can generally be classified as Choose one answer. a. line sources b. area sources c. point sources d. all of the above - all of the above Question 27 Marks: 1 Which of the following items are not natural topographic features? Choose one answer. a. rivers
b. canals c. foliages d. hills - canals Question 28 Marks: 1 A particle count of above is said to be representative of an urban area Choose one answer. a. 10, b. 50, c. 100, d. 200,000 - 50, Question 29 Marks: 1 Street dust would be considered what type of pollution? Choose one answer. a. paradox pollutant b. fugitive pollutant c. uncontrolled pollutant d. laps rate - fugitive pollutant Question 30 Marks: 1 Ozone can be formed by the action of sunlight on nitrogen oxides and hydrocarbons. Choose one answer. a. True b. False - True Question 31 Marks: 1 What type of air pollution causes bleaching of leaves in plants? Choose one answer.
d. wind iris - wind rose Question 35 Marks: 1 Transportation is the largest source of air pollution. Choose one answer. a. True b. False - True Question 36 Marks: 1 The amount of sound energy a material can absorb is a function of its absorption coefficient at a specified frequency. Choose one answer. a. True b. False - True Question 37 Marks: 1 Which of the following types of materials are known to reflect sound? Choose one answer. a. rubber tiles b. heavy drapes c. carpets with felt pads d. rugs - rubber tiles Question 38 Marks: 1 Continuous exposure to high-level noise is less harmful than intermittent or occasional exposure. Choose one answer. a. True b. False - False Question 39 Marks: 1
Dry cotton ear plugs are just as effective against noise control as expensive fitted ear plugs and earmuffs. Choose one answer. a. True b. False - False Question 40 Marks: 1 The accumulation or increased concentration of a continuously emitted pollutant is Choose one answer. a. referred to as episodic filtration b. referred to as explosive stockpiling and is potentially a very hazardous situation if left unchecked c. directly proportional to wind speed d. inversely proportional to wind speed - inversely proportional to wind speed Question 41 Marks: 1 A hammering type noise often heard in a plumbing system is usually due to Choose one answer. a. a quick-closing valve requiring installation of an air chamber b. vibrations from machines that require rubber mountings or resilient pads c. the high mineral content of flowing water d. low sound transmission loss of plumbing materials - a quick-closing valve requiring installation of an air chamber Question 42 Marks: 1 In the United States, the Ringlemann smoke chart consists of how many rectangular charts? Choose one answer. a. three b. four c. five
