NEHA REHS RS Exam Test Bank - Practice Questions with 100% Correct Answers Latest Updated, Exams of Nursing

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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, safetyand welfare is called Choose one answer. a. an injunctionb. an embargo c. an order to cease and desistd. a subpoena - Correct answer an embargo

Question 2Field 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 - Correct answer the significance of the data is not understood Question 3In 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 - Correct answer 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 sanitationprogram

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 -less important as the relative change from year to year Correct answer the numerical rating obtained per year is

Question 5When 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

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d. posting a public notice - Correct answer 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 Correct answer

Question 7Which 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 - Correct answer all of the above Question 8An administrative process of measuring and analyzing results in relation to specific goals, objectives, aims or targets isChoose one answer.

a. record keeping b. daily activity reports c. coding d. evaluation - Correct answer evaluation Question 9On-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 - Correct answer all field and office personnel Question 10All of the following describe objectives used in environmental quality planning except Choose one answer. a. non-measurable b. realistically obtainable

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c. obtainable in a specified time period d. specifically measurable - Correct answer non-measurable Question 11Marks: 1 Self-imposed health risk factors includeChoose one answer.

a. exposure to sunlight b. diet c. smoking d. all the above - Correct answer all the above Question 12Marks: 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 - Correct answer all of the above Question 13 Marks: 1In 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 isresponsible

b. refer to the number of premises where an annual, routine, or special inspection was made for the first time duringthe year

c. show the type and amount of manpower allocated to each of the program activities d. none of the above - Correct answer show the type and amount of manpower allocated to each of the program activities Question 14Marks: 1 Which type of inspection would be conducted prior to legal action? Choose one answer. a. reinspection b. routine c. complete d. initial - Correct answer reinspection

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Question 15 Marks: 1In 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 - Correct answer easy to obtain Question 16 Marks: 1The 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 - Correct answer public recognition of the problems and the desire for higher quality of life Question 17Marks: 1 Standards must be scientifically supported, understandable, measurable andChoose one answer.

a. traditional b. acceptable to all parties involved c. enforceable d. rigid - Correct answer enforceable Question 18Marks: 1 The terms "goals" and "objectives" are sometimes used interchangeably; however, objectives should be considered asChoose one answer.

a. a general direction b. the final purpose or aim c. the idea which is always realized d. the realistically attainable ends - Correct answer the realistically attainable ends Question 19 Marks: 1Letter and report writing are effective means of acquainting ______ with the diversity and complexity of a facility's problems.Choose one answer.

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a. local officials b. establishment owners c. the general public d. lawmakers - Correct answer establishment owners Question 20 Marks: 1The 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 - Correct answer an administrative warrant Question 21Marks: 1 Inspections of nonpublic areas can be made by consent of the owner or occupant andChoose 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 -general administrative plan Correct answer on the basis of a

Question 22Marks: 1 The statement of goals and objectives should recognize environmental quality and community needs such asChoose one answer.

a. clean air b. clean food service establishments c. decent housing d. all the above - Correct answer all the above Question 23 Marks: 1A 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

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d. performance - Correct answer performance Question 24 Marks: 1A 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 - Correct answer daily Question 25 Marks: 1To 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 - Correct answer all of the above Question 26 Marks: 1The 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 - Correct answer average number of inspections per workday Question 27Marks: 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 - Correct answer none of the above Question 28 Marks: 1From a legal standpoint, which of the following is true regarding enforcement of standards?

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

Question 29Marks: 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 - Correct answer attitude Question 30Marks: 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 - Correct answer all the above Question 1Marks: 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 - Correct answer False Question 2Marks: 1 Particulates larger than 10 microns can penetrate easily into the respiratory tract.Choose one answer.

a. True b. False - Correct answer False Question 3 Marks: 1It is possible to control noise

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Choose one answer. a. at the sourceb. in its path of transmission c. where it is receivedd. all of the above - Correct answer all of the above

Question 4Marks: 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 - Correct answer all of the above Question 5 Marks: 1The terms "washout" and "rainout" both refer to a cleansing process of pollutants in the atmosphere. Choose one answer. a. True b. False - Correct answer True Question 6 Marks: 1A ______ 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) - Correct answer decibel Question 7Marks: 1 The frequency of a sound determines its pitch.Choose one answer.

a. True b. False - Correct answer True Question 8Marks: 1 When two pollutants are combined, the effects are greater than the sum of the individual effects. This is calledChoose one answer.

a. commensalism b. synergism

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c. magnification d. multiplication - Correct answer synergism Question 9Marks: 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 - Correct answer fog, mist, or dust Question 10 Marks: 1Precipitation 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 - Correct answer all of the above Question 11Marks: 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 - Correct answer True Question 12Marks: 1 The unit of measurement most commonly used to measure loudness is calledChoose one answer.

a. hertz b. phon c. decibel d. none of the above - Correct answer phon Question 13 Marks: 1Sound absorbing materials absorb low frequency sounds much more effectively than high frequency sounds. Choose one answer. a. True b. False - Correct answer False

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Question 14Marks: 1 Air pollution control should first be considered at the Choose one answer. a. source b. stack c. industrial level d. suburban level - Correct answer source Question 15 Marks: 1If 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 - Correct answer 100 Question 16Marks: 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 - Correct answer CO2 and PAN Question 17Marks: 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 - Correct answer peroxyacyl nitrates Question 18Marks: 1 The meteorological elements that have the most direct and significant effects on the distribution of air pollutants areChoose one answer.

a. solar radiation

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b. wind speed and direction c. precipitation and stability d. all of the above - Correct answer all of the above Question 19Marks: 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 - Correct answer the most effective mechanism for the dispersion or dilution of a cloud or plume of pollutants Question 20Marks: 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 - Correct answer all of the above Question 21Marks: 1 For a pure tone (single frequency) to be produced, there must be a one-to-one correspondence betweenChoose one answer.

a. loudness and intensity b. frequency and intensity c. pitch and loudness d. pressure and pitch - Correct answer loudness and intensity Question 22Marks: 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 - Correct answer fluorides

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Question 23 Marks: 1Air 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 - Correct answer 35 pounds of air Question 24Marks: 1 Stability of the atmosphereChoose 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 - Correct answer a and b above Question 25 Marks: 1In what part of the earth's atmosphere are photochemical oxidants produced? Choose one answer. a. lithosphere b. stratosphere c. troposphere d. hydrosphere - Correct answer troposphere Question 26Marks: 1 Sources of pollutants can generally be classified asChoose one answer.

a. line sources b. area sources c. point sources d. all of the above - Correct answer all of the above Question 27 Marks: 1Which of the following items are not natural topographic features? Choose one answer. a. rivers b. canals

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c. foliages d. hills - Correct answer canals Question 28Marks: 1 A particle count of above ______ is said to be representative of an urban areaChoose one answer.

a. 10, b. 50, c. 100, d. 200,000 - Correct answer 50, Question 29Marks: 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 - Correct answer fugitive pollutant Question 30 Marks: 1Ozone can be formed by the action of sunlight on nitrogen oxides and hydrocarbons. Choose one answer. a. True b. False - Correct answer True Question 31 Marks: 1What 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 - Correct answer sulfur dioxide Question 32Marks: 1 ______ can be formed as a result of the sun's action on nitrogen oxides and hydrocarbons Choose one answer. a. sulfur dioxide

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b. hydrogen sulfide c. chlorofluorocarbons d. ozone - Correct answer ozone Question 33 Marks: 1The 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 - Correct answer sound transmission loss Question 34Marks: 1 Long-term wind data of a given location are presented graphically in the form of aChoose one answer.

a. wind rose b. wind table c. wind tree d. wind iris - Correct answer wind rose Question 35Marks: 1 Transportation is the largest source of air pollution.Choose one answer.

a. True b. False - Correct answer True Question 36Marks: 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 - Correct answer True Question 37Marks: 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

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d. rugs - Correct answer rubber tiles Question 38 Marks: 1Continuous exposure to high-level noise is less harmful than intermittent or occasional exposure. Choose one answer. a. True b. False - Correct answer False Question 39 Marks: 1Dry cotton ear plugs are just as effective against noise control as expensive fitted ear plugs and earmuffs. Choose one answer. a. True b. False - Correct answer False Question 40Marks: 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 - Correct answer inversely proportional to wind speed Question 41Marks: 1 A hammering type noise often heard in a plumbing system is usually due toChoose 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 -an air chamber Correct answer a quick-closing valve requiring installation of

Question 42Marks: 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 - Correct answer four

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Question 43Marks: 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 - Correct answer False Question 44Marks: 1 Individuals react differently to noise depending on age, sex, and socioeconomic background. Choose one answer. a. True b. False - Correct answer True Question 45Marks: 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 - Correct answer all of the above Question 46Marks: 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 - Correct answer True Question 47Marks: 1 The ______ of a sound wave is the energy transferred per unit time (sec) through a unit area normal to the directionof propagation. Choose one answer. a. sound pressure b. frequency c. intensity d. speed - Correct answer intensity Question 48Marks: 1 The normal change in temperature with altitude isChoose one answer.

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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 byother air

d. noted as an increase due to the rising of warm air -thus adiabatic cooling of air Correct answer noted as a decrease due to expansion and

Question 49Marks: 1 The Safe Alternatives Policy programChoose 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 - Correct answer specifies alternatives for all ozone-depleting substances Question 50Marks: 1 Ozone reduces the useful life of all of the following except Choose one answer. a. rubber b. textiles c. dyes d. nylon - Correct answer nylon Question 51 Marks: 1Halon-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 - Correct answer portable fire extinguishers Question 52Marks: 1 Air pollutants may be in the form of microorganisms. Choose one answer. a. True b. False - Correct answer True Question 53

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Marks: 1 Areas on the windward side of mountain ranges can expect less precipitation due to the forced rising, expansion, andcooling of moving air masses. Choose one answer. a. True b. False - Correct answer False Question 54 Marks: 1The 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 - Correct answer sound level meter Question 55 Marks: 1The 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 - Correct answer the Department of Labor Question 56Marks: 1 The concentration resulting from a continuous emission of a pollutant is directly proportional to wind speed.Choose one answer.

a. True b. False - Correct answer False Question 57Marks: 1 A primary pollutant isChoose 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 - Correct answer one that is found in the atmosphere in the same form as it exists Question 58Marks: 1

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______ 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 - Correct answer meteorology Question 59 Marks: 1The effects of air pollution are influenced by Choose one answer. a. wind speed, and direction b. sunlight c. precipitation d. all of the above - Correct answer all of the above Question 60Marks: 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 - Correct answer electrical substations Question 61Marks: 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 - Correct answer False Question 62Marks: 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 - Correct answer fixed fire suppression systems

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Question 63Marks: 1 Sounds with a frequency of 30 hertz (Hz) are considered very low pitch. Choose one answer. a. True b. False - Correct answer True Question 64Marks: 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 - Correct answer all of the above Question 65 Marks: 1Which of the following is not a malodorous gas? Choose one answer. a. sulfur dioxide b. hydrogen sulfide c. carbon monoxide d. phenol - Correct answer carbon monoxide Question 66Marks: 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 - Correct answer sulfur dioxide Question 67 Marks: 1The 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

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d. none of the above - Correct answer the compressibility and density of the medium Question 68Marks: 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 - Correct answer HCFCs Question 69Marks: 1 Which of the following is not a primary pollutant? Choose one answer. a. sulfur dioxide b. hydrocarbon c. nitrogen dioxide d. sulfuric acid - Correct answer sulfuric acid Question 70Marks: 1 Almost all sound contains multiple frequencies.Choose one answer.

a. True b. False - Correct answer True Marks: 1 In recent years, the largest number of rabies cases were associated withChoose one answer.

a. skunks b. bats c. dogs d. cats - Correct answer skunks Question 2 Marks: 1The gains in life expectancy between 1900 (48 years) and 1974 (72 years) have occurred mostly in the early years and are due to Choose one answer. a. sanitation b. nutrition c. chemotherapy

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d. all of the above - Correct answer all of the above Question 3 Marks: 1It is believed that the ingestion of one virus particle can cause infection in humans. Choose one answer. a. True b. False - Correct answer True Question 4 Marks: 1Onchocerciasis is a rare illness found in some third world countries. Choose one answer. a. True b. False - Correct answer False Question 5Marks: 1 An illness due to a specific infectious agent or its toxic product which is transmitted from a reservoir to a susceptible host either directly or indirectly is calledChoose one answer.

a. an infectious disease b. a communicable disease c. a genetic disease d. a noncommunicable disease - Correct answer a communicable disease Question 6 Marks: 1The cancer rate is roughly 72% higher for inner-city people than the level for suburbanites. Choose one answer. a. True b. False - Correct answer False Question 7Marks: 1 There is a scientific consensus that further increases in life expectancy are dependent on the extent to which Choose one answer. a. cancer can be controlled b. personal lifestyles can be changed c. pollution can be controlled d. b and c above - Correct answer b and c above Question 8 Marks: 1A disease transmitted by birds and bird droppings is

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Choose one answer. a. dengue fever b. psittacosis c. tularemia d. hurine typhus - Correct answer psittacosis Question 9Marks: 1 Food poisoning from Staphylococcus aureus can be prevented by thoroughly cooking foods that have been properly handled and then through appropriate time temperature control of the finished product.Choose one answer.

a. True b. False - Correct answer True Question 10 Marks: 1An analysis by Dever indicated that environmental factors were considered to be the cause of 49% of all deaths due to accidents, 20% of the influenza and pneumonia deaths, 41% of the homicides, and 15% of the deaths due to birth injuries and other diseases peculiar to early infancy.Choose one answer.

a. True b. False - Correct answer True Question 11 Marks: 1Between 26 B.C. and 395 A.D., the average life expectancy was Choose one answer. a. 73 years b. 36 years c. 45 years d. 24 years - Correct answer 24 years Question 12Marks: 1 The killing of an infectious agent outside the body by chemical or physical means is termed Choose one answer. a. detoxification b. deodorization c. destabilization d. disinfection - Correct answer disinfection Question 13 Marks: 1House mice may carry the disease lymphocytic choriomeningitis.

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Choose one answer. a. True b. False - Correct answer True Question 14 Marks: 1Tularemia is often transmitted to humans by handling rodents, rabbits, and muskrats. Choose one answer. a. True b. False - Correct answer True Question 15Marks: 1 Ascaris ova may survive up to 7 hours in moist, warm soil. Choose one answer. a. True b. False - Correct answer False Question 16Marks: 1 Some of the prime sources of Giardia lamblia cysts are humans, beavers, muskrats, and domestic animals. Choose one answer. a. True b. False - Correct answer True Question 17Marks: 1 Marsh miasma is another name for the disease known as Legionella. Choose one answer. a. True b. False - Correct answer False Question 18Marks: 1 Schistosomiasis isChoose one answer.

a. a water contact disease b. a foodborne disease c. a milkborne disease d. an airborne disease - Correct answer a water contact disease Question 19 Marks: 1Rats are one of the seven animals most likely to carry rabies. Choose one answer.

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a. True b. False - Correct answer False Question 20Marks: 1 The most effective means of control of bats is to "build them out." Choose one answer. a. True b. False - Correct answer True Question 21Marks: 1 Toxins that attack nerves are referred to as enterotoxin.Choose one answer.

a. True b. False - Correct answer False Question 22Marks: 1 The four major causes of death among all age groups of Americans include all of the following exceptChoose one answer.

a. homicide b. accidents c. malignant neoplasms d. heart disease - Correct answer homicide Question 23 Marks: 1Coliform, on soil surfaces, may survive up to 38 days. Choose one answer. a. True b. False - Correct answer True Question 24Marks: 1 The term "endemic" means Choose one answer. a. sporadic occurrence of an illness b. constant presence of an illness c. all illnesses present at any one time d. an unusually large number of persons with the same illness - Correct answer constant presence of an illness Question 25 Marks: 1