Question 1 In the United States, research has documented socioeconomic and racial/ethnic disparities
Question 1 In the United States, research has documented socioeconomic and racial/ethnic disparities in residential exposures to _______________.
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air pollution
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hazardous waste sites
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industrial facilities
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all of the above
1 points
Question 2 In the context of ionizing radiation, the term relative biological effectiveness describes _______________, per unit of radiation energy absorbed by the body.
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the relative damage caused by different types of ionizing radiation
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the relative impact of acute versus chronic exposure to ionizing radiation
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the relative risk of birth defects caused by exposure early versus late in pregnancy
1 points
Question 3 Which of the following occupations is not particularly associated with high exposure to asbestos?
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Insulation Workers
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Oil Workers
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Shipbuilding Workers
1 points
Question 4 Which of the following diseases is a sentinel illness for asbestos exposure?
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Fibrosis
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Lung cancer
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Mesothelioma
1 points
Question 5 The half-life of a radioactive element is the time it takes for half the atoms in a sample to _______________.
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become non-radioactive
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lose an electron
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undergo radioactive decay
1 points
Question 6 Which of the following is not a syndrome associated with acute high-level exposure to ionizing radiation?
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Bone marrow syndrome
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Central nervous system syndrome
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Gastrointestinal syndrome
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Respiratory syndrome
1 points
Question 7 Occupational exposure to cotton dust causes _______________.
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byssinosis
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lacrimosis
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tinnitus
1 points
Question 8 Which of the following types of radiation is not ionizing?
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Beta radiation
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Gamma radiation
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Infrared radiation
1 points
Question 9 Which type of radiation is most penetrating, if a person is exposed from a source outside the body?
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Alpha radiation
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Beta radiation
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Gamma radiation
1 points
Question 10 Nanoparticles are in the same size range as __________________ particulates.
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fine
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respirable
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ultrafine
1 points
Question 11 Asbestos is a _______________ hazard.
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biological
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chemical
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physical
1 points
Question 12 Which of the following is not a documented health effect of noise in the workplace?
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Cognitive failures
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Coronary heart disease
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Decrease in immune system function
1 points
Question 13 Today, with asbestos exposures in the United States largely controlled, deaths from malignant melanoma in the country are _______________.
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declining
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holding steady
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rising
1 points
Question 14 Radioactive decay occurs when an atom of a radioactive isotope _______________.
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Absorbs a burst of energy
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Ejects part of its nucleus
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undergoes fusion of the particles in its nucleus
1 points
Question 15 In the United States, research on burdens of BPA, PFCs, and PBDEs in people’s bodies or in their microenvironments has shown:
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consistently higher burdens in lower-socioeconomic-status and/or minority populations.
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consistently lower burdens in lower-socioeconomic-status and/or minority populations.
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variation in demographic patterns in body burdens.
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