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