Assignment 2: Demographic Transitions
July 15, 2019
In another one or two paragraphs, share thoughts about the third week of class. What did you learn? What experiences stand out for you? What tasks or contend did you find difficult or frustrating? What activities did you find surprising or exciting? Looking ahead, what are your intrigued or concerned by in the fourth week of the course.
July 15, 2019

Environmental Health: Local to Global:

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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Environmental Health: Local to Global: was first posted on July 15, 2019 at 12:39 am.

 

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