APES Chapter 17 Key Terms
Terms in this set (28)
any impaired function of the body with a characteristic set of symptoms.
a disease caused by a pathogen
a disease that slowly impairs the functioning of an organism
a disease that rapidly impairs the functioning of an organism.
a situation in which a pathogen causes a rapid increase in disease
an epidemic that occurs over a large geographic region
emergent infectious disease
an infectious disease that has not been previously described or has not been common for at least 20 years.
a chemical that disrupts the nervous systems of animals
chemicals that cause cancer
chemicals that interfere with the normal development of embryos or fetuses
a chemical that causes allergic reactions
chemicals that interfere with the normal functioning of hormones in an animal's body
female sex hormone
male sex hormone
a study that exposes organisms to different amounts of a chemical and then observes a variety of possible responses, including mortality or changes in behavior or reproduction
an experiment that exposes organisms to an environmental hazard for a short duration
the lethal dose of a chemical that kills 50 percent of the individuals in a dose-response study
the effects of an environmental hazard that are not lethal, but which may impair an organism's behavior, physiology, or reproduction
an abbreviation for the effective dose of a chemical that causes 50 percent of the individuals in a dose-response study to display a harmful, but nonlethal, effect
the study of the causes of illness and disease in the populations of humans and other organisms
a study that monitors people who have been exposed to an environmental hazard at some time in the past
a study that monitors people who might become exposed to harmful chemicals in the future
a situation in which two risks together cause more harm than expected based on the separate effects of each risk alone.
how well a chemical dissolves in a liquid.
the increase in chemical concentration in animal tissues as the chemical moves up the food chain
the length of time a chemical remains in the environment
anything in the environment that can potentially cause harm
a situation involving exposure to danger