|Environmental/Occupational Health Questions|
Environmental and Occupational Health Questions
To protect both human health and welfare, the USEPA has established standards for certain pollutants found in outdoor air, known as “criteria air pollutants.” They are:
a. particulate matter, ground-level ozone, carbon monoxide, sulfur oxides, nitrogen oxides, and lead.
b. particulate matter, stratospheric ozone, carbon monoxide, sulfur oxides, nitrogen oxides, and lead.
c. particulate matter, ground-level ozone, carbon dioxide, sulfur oxides, nitrogen oxides, and lead.
d. particulate matter, stratospheric ozone, carbon dioxide, sulfur oxides, nitrogen oxides, and lead.
Drinking water treatment involves all the following except:
a. removal of organic materials
b. killing of microorganisms
c. removal of all dissolved chemicals
d. removal of large inorganic particles
The most favored method for waste management is:
a. offsite composting
b. source reduction
c. waste combustion
The “Superfund” was provided for by which of the following acts:
a. Toxic Substances Control Act (TSCA) of 1976
b. Resource Conservation and Recovery Act (RCRA) of 1976
c. Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) of 1980
d. Hazardous & Solid Waste Amendment (HSWA) of 1984
The definition of risk is:
a. the capacity of a substance to cause an adverse effect in a specific organ or organ system
b. the probability that a hazard will occur under specific exposure conditions
c. the weighing of policy alternatives and selection of the most appropriate regulatory actions
d. a measure of the intensity, frequency, and duration of human exposures to agents
Water and Disease
Approximately what percentage of disease in developing countries comes from unsafe water?
The alteration of the natural environment due to human activity is known as?
a. individual impact
b. human impact
c. environmental impact
d. population impact
Food borne Illness
The number one risk factor for food-borne illness is?
b. improper holding time and temperature
c. inadequate cooking
d. food from unsafe sources
The resistance of a population to an infectious disease is known as;
a. artificially acquired immunity
c. genetic drift
d. herd immunity
Demographic transition implies that:
a. As a nation undergoes technological and economic development, its population growth rate (birth rate) will decrease.
b. As a nation undergoes technological and economic development, its population growth rate will increase.
c. As a nation undergoes technological and economic development, its population growth rate will stabilize.
d. A nation’s population is growing into old age.