Test
Toxics
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Preguntas del test (50)
1Which one of the following is not a man made substance?
- APolychlorinated biphenyls
- BAsbestos
- CDioxin
- DCadmium
2It is generally accepted that the most widespread chemical contaminant known is?
- AMercury
- BDioxin
- CPolychlorinated biphenyls
- DLead
3PCBs were first synthesized in
- A1920s
- B1930s
- C1940s
- D1950s
4Which one of the following is a characteristic of PCBs?
- Ahard solid
- Bhigh water solubility
- Clow boiling point
- Dhigh heat resistance
5What characteristic of PCBs made them an environmental and health hazard?
- Ahigh heat resistance
- Blow boiling point
- Cchemical stability
- Dhigh fat solubility
6The highest PCB concentrations documented in the US are in?
- ANew York
- BHudson River
- CWaukegan Harbor
- DLake Michigan
7The primary route of entry of PCBs into humans is
- Aabsorption
- Binoculation
- Cinhalation
- Dingestion
8Which of the following is most likely to contain the highest proportion of PCBs?
- Aperch
- Bsun fish
- Cbrook trout
- Dchinook salmon
9The most characteristic symptom of those occupationally exposed to PCBs is
- Achloracne
- Bliver cancer
- Cvisual disturbance
- Dphysical tremor
10A major worry associated with prolonged, low level PCB exposure is
- Ageneral tiredness
- Bloss of appetite
- CLiver cancer
- Dreproductive problems
11Whici one of the following was never associated with PCBs?
- AMinimata disease
- BYusho disease
- CYu-cheng disease
- Dchloracne
12Which one of the following statements is true?
- ADibenzofurans have been associated with babies being born with dark skin dicolorization
- BThere is no definitive evidence that links PCBs with cancer and other chronic health problems in humans
- CPCB concentration in Lake Michigan has had a major effect on automobile manufacturing industry
- DA major effect of PCBs is its ability to accumulate in lean body tissues
13The approved method of disposing of PCBs is
- Asealing them in barrels and burying them in landfills
- Bhigh temperature incineration
- Cdetoxification and discharge into deep ocean valleys
- Dbiodegrading them, sealing them and using them as fill
14Which of the following is true?
- ADioxin is formed as an unwanted byproduct of herbicide manufacturing
- Bdioxin has not been show to be related to human deaths
- Cdioxin is a manufactured component of hexachlorophene
- Ddioxin can enter the atmosphere through evaporation
15Which of the following is not considered a source of major exposure to dioxin?
- Afish
- Bmeat
- Cdairy products
- Dwater
16The statement "dioxin is the most toxic of all man-made chemicals" is somewhat misleading because of the testing done on
- Amice
- Bguinea pigs
- Crats
- Dhamsters
17Immune system interference has been demonstrated with dioxin exposure in all the following except
- Ahumans
- Brats
- Cmice
- Dhamsters
18Perhaps the most significant long-term effect of dioxin exposure appears to be
- Adisruption of hormonal regulation of reproduction
- Bpossibility of liver cancer
- Cteratogenic effects on the unborn
- Ddevelopment of tissue affinity for other toxic substances
19Which of the following has been associated with general exposure to dioxin?
- Achloracne
- Bliver cancer
- Cincreased incidence of soft tissue sarcoma
- Dmultiple myeloma
20What is a major issue that is confronting public health professionals responsible for setting exposure limits to TCCD?
- Amultiple chronic effects have been observed at low level exposure
- Bthe chemical seldom appears alone
- Cirritating effects have been shown at low levels of exposure
- Dlong term exposure seems to produce degenerative disease
21Perhaps the number one cause of disease as a result of general environmental exposure is
- APCBs
- BTCCD
- Casbestos
- DDioxin
22A major problem associated with occupational exposure to asbestos is
- Achloracne
- Bcancer
- Cliver allure
- Dheart disease
23Airborne exposure to asbestos fibers is most commonly associated with
- Anaturally occurring flaking of minor outcroppings
- Bfibers being released through automobile braking
- Cdeterioration of man made, asbestos containing material
- Daccidents that occur in the manufacturing industry
24Which of the following cities has water concentration of asbestos that is 10-100 million fibers per liter?
- AChicago
- BPittsburgh
- CLA
- DSan Fran
25Which of the following has not been associated with asbestos?
- Amultiple myeloma
- Blung cancer
- Casbestosis
- Dgastrointestinal cancer
26The #1 cause of asbestos related mortality is
- Alung cancer
- Basbestosis
- Cmultiple myeloma
- Dgastrointestinal cancer
27A major population group that has increased concern associated with exposure to asbestos fibers has been expressed for
- Amine workers
- Bpublic service workers
- Cschool children
- Dfactory workers
28A major drawback facing compliance with the asbestos hazard emergency response act is
- ALack of technology to deal with removal
- Bwidespread use of asbestos before the act was passed
- Clack of funding to comply with the provisions
- Dlack of willingness from the public
29When engaging in complete asbestos removal, the provisions of which of the following must be strictly met?
- AHazardous substances act
- BRight to know legislation
- CClean air act
- DAsbestos hazard emergency removal act
30The #1 environmental health problem that affects america's children is
- Aexposure to asbestos
- BLead poisoning
- Cexposure to environmental tobacco smoke
- Dpossible exposure to nuclear wastes
31The major source of lead poisoning today is
- Aingestion of lead tainted food
- Bingesting lead contaminated drinking water
- Cinhalation of polluted air
- Dingestion of lead based paint
32The major cause of lead poisoning in children is from
- Aeating paint chips
- Binhaling lead contaminated household dust
- Cingesting lead contaminated food
- Dputting dirty fingers in mouths
33The leaching of lead from solder into home brewed liquor is a frequent source of lead poisoning in some rural counties of
- ALouisiana
- BMississippi
- CGeorgia
- DAlabama
34The estimated half life of lead in bones is
- A9 years
- B18 yrs
- C27 years
- D36 yrs
35Which one of the following conditions is not a specifically identified health damaging effect of lead on the human body?
- Asterility
- Bheart attack
- Cmiscarriage
- Dliver damager
36Perhaps the most serious manifestation of damage done as a result of lead being in the bloodstream is due to
- Acardiac tissue
- Bkidney tissue
- Cnerve tissue
- Dreproductive cells
37A treatment for lead exposure that involved administering a drug tha binds to lead and facilitates its excretion from the body is called
- Aplumbism
- Bchelation
- Cplumbum extraction
- Dfrumentum deletion
38Which one of the following, given present conditions, would probably produce the best results in terms of alleviating health damage as a result of childhood exposure to lead?
- Auniversal lead screening
- Bsoil removal and replacement
- Cinterior housepaint removal
- Dplanting foundation shrubs around homes
39The major route of entry of inorganic mercury into humans is through
- Aingestion of contaminated fish
- Binhalation of mercury vapors
- Cingestion of contaminated vegetables
- Dinhalation of pesticide residues
40The tissues most often damaged as a result of inorganic mercury entering the body include all of the following except
- Aheart
- Bbrain
- Cliver
- Dkidney
41Which one of the following is least likely to be occupationally exposed to mercury vapors?
- Afarm workers
- Blab technicians
- Cmachine operators
- Dplumbers
42Which one of the following poses virtually no health threat in terms of inorganic mercury?
- Aabsorption
- Binhalation
- Cingestion
- Dinoculation
43All of the following have been associated with methyl mercury poisonings except
- Abread
- Bwater
- Cfungicides
- Dtuna
44The most common source of exposure to cadmium is through
- Aabsorption
- Bingestion
- Cinhalation
- Dinoculation
45Individuals particularly susceptible to the toxic effects of cadmium are those who are deficient in
- Aphosphorus
- Bzinc
- Cpotassium
- Diron
46Which one of the statements about cadmium is false?
- Ait is used in production of pigments
- BIt helps body metabolize calcium
- Cit may be found in tobacco plants
- Dit readily bioaccumulates
47The largest outbreak of cadmium poisoning occurred in
- ABrazil
- BJapan
- CMexico
- DUS
48A major problem associated with cadmium poisoning is
- Areproductive difficulty
- Bosteomalacia
- Calopecia
- Dkidney failure
49Of the following, the most likely to succumb to cadmium poisonings are
- Afactory workers
- Bminers
- Cmalnourished women
- Dfisherman
50Which of the following poisonings is least likely to occur in the US?
- Alead
- Bcadmium
- CPCB
- Dmercury
Información
- Descripción
- REHS OSHA, HazMat, Toxics Test sobre Toxics, creado por Elizabeth Magill el 01/12/2022.
- Autor
- Elizabeth Magill
- Idioma
- English
- Visitas
- 1
- Historial
- Creado el 1 dic 2022 · actualizado el 1 dic 2022
- Etiquetas
- Valoración
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