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the relative damage caused by different types of ionizing radiation

the relative damage caused by different types of ionizing radiation

Question 1

  1. In the United States, research has documented socioeconomic and racial/ethnic disparities in residential exposures to _______________.
[removed] air pollution
[removed] hazardous waste sites
[removed] industrial facilities
[removed] all of the above

1 points

Question 2

  1. In the context of ionizing radiation, the term relative biological effectiveness describes _______________, per unit of radiation energy absorbed by the body.
[removed] the relative damage caused by different types of ionizing radiation
[removed] the relative impact of acute versus chronic exposure to ionizing radiation
[removed] the relative risk of birth defects caused by exposure early versus late in pregnancy

1 points

Question 3

  1. Which of the following occupations is not particularly associated with high exposure to asbestos?
[removed] Insulation Workers
[removed] Oil Workers
[removed] Shipbuilding Workers

1 points

Question 4

  1. Which of the following diseases is a sentinel illness for asbestos exposure?
[removed] Fibrosis
[removed] Lung cancer
[removed] Mesothelioma

1 points

Question 5

  1. The half-life of a radioactive element is the time it takes for half the atoms in a sample to _______________.
[removed] become non-radioactive
[removed] lose an electron
[removed] undergo radioactive decay

1 points

Question 6

  1. Which of the following is not a syndrome associated with acute high-level exposure to ionizing radiation?
[removed] Bone marrow syndrome
[removed] Central nervous system syndrome
[removed] Gastrointestinal syndrome
[removed] Respiratory syndrome

1 points

Question 7

  1. Occupational exposure to cotton dust causes _______________.
[removed] byssinosis
[removed] lacrimosis
[removed] tinnitus

1 points

Question 8

  1. Which of the following types of radiation is not ionizing?
[removed] Beta radiation
[removed] Gamma radiation
[removed] Infrared radiation

1 points

Question 9

  1. Which type of radiation is most penetrating, if a person is exposed from a source outside the body?
[removed] Alpha radiation
[removed] Beta radiation
[removed] Gamma radiation

1 points

Question 10

  1. Nanoparticles are in the same size range as __________________ particulates.
[removed] fine
[removed] respirable
[removed] ultrafine

1 points

Question 11

  1. Asbestos is a _______________ hazard.
[removed] biological
[removed] chemical
[removed] physical

1 points

Question 12

  1. Which of the following is not a documented health effect of noise in the workplace?
[removed] Cognitive failures
[removed] Coronary heart disease
[removed] Decrease in immune system function

1 points

Question 13

  1. Today, with asbestos exposures in the United States largely controlled, deaths from malignant melanoma in the country are _______________.
[removed] declining
[removed] holding steady
[removed] rising

1 points

Question 14

  1. Radioactive decay occurs when an atom of a radioactive isotope _______________.
[removed] Absorbs a burst of energy
[removed] Ejects part of its nucleus
[removed] undergoes fusion of the particles in its nucleus

1 points

Question 15

  1. In the United States, research on burdens of BPA, PFCs, and PBDEs in people’s bodies or in their microenvironments has shown:
[removed] consistently higher burdens in lower-socioeconomic-status and/or minority populations.
[removed] consistently lower burdens in lower-socioeconomic-status and/or minority populations.
[removed] variation in demographic patterns in body burdens.

 

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