REHS- Test cards

Question 23 Marks: 1 Air is vital to existence. In fact, humans breathe in a day's time an average of Choose one answer. a. 3 to 4 pounds of air b. 35 pounds of air c. 37 pounds of air d. 1,600 ft3 of air

35 pounds of air

Question 28 Marks: 1 A particle count of above ______ is said to be representative of an urban area Choose one answer. a. 10,000 b. 50,000 c. 100,000 d. 200,000

50,000

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 1 Marks: 1 The precise levels at which specific air pollutants become a health hazard are relatively easy to establish by existing surveillance systems. Choose one answer. a. True b. False

False

Question 13 Marks: 1 Sound absorbing materials absorb low frequency sounds much more effectively than high frequency sounds. Choose one answer. a. True 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 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 43 Marks: 1 A primary pollutant is one that is formed in the atmosphere as a result of chemical reactions. Choose one answer. a. True b. False

False

Question 53 Marks: 1 Areas on the windward side of mountain ranges can expect less precipitation due to the forced rising, expansion, and cooling of moving air masses. Choose one answer. a. True b. False

False

Question 56 Marks: 1 The concentration resulting from a continuous emission of a pollutant is directly proportional to wind speed. Choose one answer. a. True b. False

False

Question 61 Marks: 1 In general terms, it is safe to assume that any two identical sound levels will have the effect of increasing the overall level by 10 dB. Choose one answer. a. True b. False

False

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 11 Marks: 1 A deterioration in the ozone layer of the stratosphere can cause an increase in ultraviolet radiation reaching the earth. Choose one answer. a. True b. False

True

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 35 Marks: 1 Transportation is the largest source of air pollution. Choose one answer. a. True b. False

True

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 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 68 Marks: 1 ______ is considered to be the least damaging to the stratospheric ozone layer. Choose one answer. a. CFCs b. methyl bromide c. halon d. HCFCs

HCFCs

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 44 Marks: 1 Individuals react differently to noise depending on age, sex, and socioeconomic background. Choose one answer. a. True b. False

True

Question 46 Marks: 1 Stack samples must be collected at the same speed of flow that gases normally pass through the stack. Choose one answer. a. True b. False

True

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 52 Marks: 1 Air pollutants may be in the form of microorganisms. Choose one answer. a. True b. False

True

Question 63 Marks: 1 Sounds with a frequency of 30 hertz (Hz) are considered very low pitch. Choose one answer. a. True b. False

True

Question 7 Marks: 1 The frequency of a sound determines its pitch. Choose one answer. a. True b. False

True

Question 70 Marks: 1 Almost all sound contains multiple frequencies. Choose one answer. a. True b. False

True

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 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 28 Marks: 1 From a legal standpoint, which of the following is true regarding enforcement of standards? Choose one answer. a. a Federal standard is easier to enforce than a State standard b. a State standard is easier to enforce than a Federal standard c. a performance standard is easier to enforce than a specification-type standard d. a specification-type standard is easier to enforce than a performance standard

a specification-type standard is easier to enforce than a performance standard

Question 9 On-the-job education should start with planned, routine, intensive in-service training of Choose one answer. a. division directors b. owners of food service facilities c. all field and office personnel d. septic tank contractors

all field and office personnel

Question 10 Marks: 1 Precipitation accomplishes an effective cleansing process of pollutants in the atmosphere by Choose one answer. a. accumulation of small particles in the formation of raindrops or snowflakes in clouds b. the washing out of scavenging of large particles by falling raindrops or snowflakes c. removal of gaseous pollutants by dissolution and absorption d. all of the above

all of 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 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 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 b. establishing alternate truck routes c. enclosure of highways going through residential areas d. all of the above

all of the above

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 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 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 45 Marks: 1 Air pollution is the presence of ______ in the outside air in amounts that are injurious or detrimental to humans, animals, plants, or property. Choose one answer. a. solids b. gases c. liquids d. all of the above

all of the above

Question 59 Marks: 1 The effects of air pollution are influenced by Choose one answer. a. wind speed, and direction b. sunlight c. precipitation d. all of the above

all of the above

Question 64 Marks: 1 The major factors related to hearing loss are Choose one answer. a. time duration of exposure and repeated impact b. intensity of sound waves c. frequency content of sound d. all of the above

all of the above

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

Question 11 Marks: 1 Self-imposed health risk factors include Choose one answer. a. exposure to sunlight b. diet c. smoking d. all the above

all the above

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 30 Marks: 1 A program plan should be developed for each of the program activities. This plan should list which of the following criteria for each activity? Choose one answer. a. work load and methods to meet program objectives and financing b. resource requirements, goals and objectives c. need for the program, evaluation, and law d. all the above

all the above

Question 20 Marks: 1 The agencies general administrative plan provides the basis for Choose one answer. a. a search warrant b. an administrative warrant c. a seizure d. none of the above

an administrative warrant

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 29 Marks: 1 The effectiveness of an inspection program depends on technical competence and the ______ of regulatory staff. Choose one answer. a. academic degrees b. physical qualifications c. genealogy d. attitude

attitude

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 Which of the following items are not natural topographic features? Choose one answer. a. rivers b. canals c. foliages d. hills

canals

Question 65 Marks: 1 Which of the following is not a malodorous gas? Choose one answer. a. sulfur dioxide b. hydrogen sulfide c. carbon monoxide d. phenol

carbon monoxide

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 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 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 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 60 Marks: 1 Which of the following are not major sources of sulfur dioxide pollution? Choose one answer. a. metal smelters b. coal and oil burning power plants c. refineries d. electrical substations

electrical substations

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 19 Marks: 1 Letter and report writing are effective means of acquainting ______ with the diversity and complexity of a facility's problems. Choose one answer. a. local officials b. establishment owners c. the general public d. lawmakers

establishment owners

Question 8 An administrative process of measuring and analyzing results in relation to specific goals, objectives, aims or targets is Choose one answer. a. record keeping b. daily activity reports c. coding d. evaluation

evaluation

Question 62 Marks: 1 Halon-1301 is used primarily in ______. Choose one answer. a. portable fire suppression systems b. fixed fire suppression systems c. precision cleaning processes d. plastic foam blowing

fixed fire suppression systems

Question 22 Marks: 1 ______ have been known to cause crippling skeletal damage to cattle through ingested contaminated vegetation. Choose one answer. a. sulfides b. fluorides c. nitrates d. chlorides

fluorides

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 d. fume, dust, or mist

fog, mist, or dust

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 d. six

four

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 47 Marks: 1 The ______ of a sound wave is the energy transferred per unit time (sec) through a unit area normal to the direction of propagation. Choose one answer. a. sound pressure b. frequency c. intensity d. speed

intensity

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 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 21 Marks: 1 For a pure tone (single frequency) to be produced, there must be a one-to-one correspondence between Choose one answer. a. loudness and intensity b. frequency and intensity c. pitch and loudness d. pressure and pitch

loudness and intensity

Question 58 Marks: 1 ______ involves the chemistry, physics, and dynamics of the atmosphere and includes many direct effects of the atmosphere on the earth's surface, ocean, and life. Choose one answer. a. topography b. meteorology c. micrometeorology d. none of the above

meteorology

Question 10 All of the following describe objectives used in environmental quality planning except Choose one answer. a. non-measurable b. realistically obtainable c. obtainable in a specified time period d. specifically measurable

non-measurable

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 48 Marks: 1 The normal change in temperature with altitude is Choose one answer. a. noted as an increase due to the increased closeness and lack of filtering of sunlight b. noted as a decrease due to expansion and thus adiabatic cooling of air c. noted as a decrease due to black-body emission into space, coupled with the lessening of insulation provided by other air d. noted as an increase due to the rising of warm air

noted as a decrease due to expansion and thus adiabatic cooling of air

Question 50 Marks: 1 Ozone reduces the useful life of all of the following except Choose one answer. a. rubber b. textiles c. dyes d. nylon

nylon

Question 21 Marks: 1 Inspections of nonpublic areas can be made by consent of the owner or occupant and Choose one answer. a. on the basis of a general administrative plan b. whenever premises are vacant c. whenever premises are unlocked d. without regard to requests or demands that inspectors leave the premises

on the basis of a general administrative plan

Question 57 Marks: 1 A primary pollutant is Choose one answer. a. one that is formed in the atmosphere as a result of reactions such as hydrolysis, oxidation, and photochemistry b. one that is found in the atmosphere due to natural reactions c. one that is found in the atmosphere in the same form as it exists d. none of the above

one that is found in the atmosphere in the same form as it exists

Question 32 Marks: 1 ______ can be formed as a result of the sun's action on nitrogen oxides and hydrocarbons Choose one answer. a. sulfur dioxide b. hydrogen sulfide c. chlorofluorocarbons d. ozone

ozone

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 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 12 Marks: 1 The unit of measurement most commonly used to measure loudness is called Choose one answer. a. hertz b. phon c. decibel d. none of the above

phon

Question 51 Marks: 1 Halon-1211 is used primarily in ______. Choose one answer. a. portable fire extinguishers b. fixed fire suppression systems c. printed circuit board cleaning d. vapor degreasing

portable fire extinguishers

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 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 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 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 54 Marks: 1 The most common type of noise measurement device used for initial surveys to provide rapid evaluation and identification of potential problem areas is the Choose one answer. a. octave-band analyzer b. noise dosimeter c. sound level meter d. sound analyzer

sound level meter

Question 33 Marks: 1 The ratio of the energy passing through a wall, floor, or ceiling to the energy striking it is called Choose one answer. a. sound absorption b. sound transmission loss c. noise reduction d. all of the above

sound transmission loss

Question 49 Marks: 1 The Safe Alternatives Policy program Choose one answer. a. specifies alternatives for all ozone-depleting substances b. lists unacceptable alternatives to ozone-depleting substances c. considers only ozone depletion potential d. is based on global warming potential

specifies alternatives for all ozone-depleting substances

Question 31 Marks: 1 What type of air pollution causes bleaching of leaves in plants? Choose one answer. a. PAN b. sulfur dioxide c. industries processing hazardous wastes d. high motor vehicle traffic

sulfur dioxide

Question 66 Marks: 1 Impurities in combustible hydrocarbons (coal and oil) combine with oxygen to produce ______ when burned. Choose one answer. a. nitrogen oxide b. sulfur dioxide c. nitrogen dioxide d. carbon monoxide

sulfur dioxide

Question 69 Marks: 1 Which of the following is not a primary pollutant? Choose one answer. a. sulfur dioxide b. hydrocarbon c. nitrogen dioxide d. sulfuric acid

sulfuric acid

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 55 Marks: 1 The first Federal standards for occupational exposure to noise were issued by Choose one answer. a. the Department of Transportation b. the Federal Aviation Administration c. the Department of Housing and Urban Development d. the Department of Labor

the Department of Labor

Question 67 Marks: 1 The speed with which sound travels through a particular medium is dependent on Choose one answer. a. the compressibility of the medium b. the density of the medium c. the compressibility and density of the medium d. none of the above

the compressibility and density of the medium

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 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 18 Marks: 1 The terms "goals" and "objectives" are sometimes used interchangeably; however, objectives should be considered as Choose one answer. a. a general direction b. the final purpose or aim c. the idea which is always realized d. the realistically attainable ends

the realistically attainable ends

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 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 34 Marks: 1 Long-term wind data of a given location are presented graphically in the form of a Choose one answer. a. wind rose b. wind table c. wind tree d. wind iris

wind rose