Terms : Hide Images
| 324567077 | Disease | an impairment of health or a condition of abnormal functioning | |
| 324567078 | Infectious Diseases | diseases that are caused by infecting organisms; they can be passed from person to person | |
| 324567079 | Chronic Diseases | generally long-lasting afflictions now more common because of higher life expectancies | |
| 324567080 | Acute Diseases | develop rapidly, cause severe symptoms, and fade quickly | |
| 324567081 | Epidemic | a widespread outbreak of an infectious disease | |
| 324567082 | Pandemic | an epidemic that is geographically widespread | |
| 324567083 | Plague | an easily spread disease causing a large number of deaths | |
| 324567084 | Malaria | a disease caused by mosquitoes implanting parasites in the blood | |
| 324567085 | Tuberculosis | infection transmitted by inhalation or ingesting a bacterium | |
| 324567086 | Emergent Infectious Diseases | infectious diseases that were previosuly not described or have not been common for at least the prior 20 years | |
| 324567087 | Acquired Immune Deficiency Syndrome | a serious (often fatal) disease of the immune system transmitted through blood products especially by sexual contact or contaminated needles | |
| 324567088 | Human Immunodeficiancy Virus | viruses that cause AIDS also contain RNA. | |
| 324567089 | Ebola Hemorrhagic Fever | a severe and often fatal disease in humans and nonhuman primates (monkeys and chimpanzees) caused by the Ebola virus | |
| 324567090 | Mad Cow Disease | a fatal disease of cattle that affects the central nervous system | |
| 324567091 | Prions | infectious protein particles that do not have a genome | |
| 324567092 | Bird Flu | viruses infect birds, chickens, and other wild foul; caused by H5N1 | |
| 324567093 | West Nile Virus | infection is transmitted by mosquitoes and is relatively new to the United States and can cause flu-like symptoms that can result in encephalitis | |
| 324567094 | Neurotoxins | toxic substances, such as lead or mercury, that specifically poison nerve cells | |
| 324567095 | Carcinogens | Substances and agents that are known to cause cancer | |
| 324567096 | Mutagens | factors in the environment that cause mutations | |
| 324567097 | Teratogens | chemicals or other factors that specifically cause abnormalities during embryonic growth and development | |
| 324567098 | Allergens | substances that activate the immune system | |
| 324567099 | Endocrine Disruptors | chemicals that disrupt normal hormone functions | |
| 324567100 | Dose-response Studies | a study that exposes organisms to difierent amounts of a chemical and then observes a variety of possible responses, including mortality or changes in behavior or reproduction | |
| 324567101 | Acute Studies | an experiment that exposes organisms to an environmental hazard for a short duration | |
| 324567102 | LD50 | the amount of a chemical that kills 50% of the animals in a test population | |
| 324567103 | Sublethal Effects | damage caused by pesticides other than death; alter genes (mutations), alter behavior/learning | |
| 324567104 | ED50 | the point at which 50 percent of the test organisms show a negative effect from a toxin. | |
| 324567105 | Chronic Studies | the object of long term testing is to determine the no effect level. | |
| 324567106 | Epidemiology | the branch of medical science dealing with the transmission and control of disease | |
| 324567107 | Retrospective Studies | studying participants with a disease and tracing behaviors to determine cause | |
| 324567108 | Prospective Studies | look ahead to see if risk factors from retrospective study predict tendency to develop disease | |
| 324567109 | Synergistic Interactions | an interactive effect that is more than or different from the simple sum of their constituent parts | |
| 324567110 | Routes of Exposure | way in which an individual might come in contact with a chemical | |
| 324567111 | Solubility | the quantity of a particular substance that can dissolve in a particular solvent | |
| 324567112 | Biomagnification | accumulation of pollutants at successive levels of the food chain | |
| 324567113 | Persistence | how long a chemical remains in the enviroment | |
| 324567114 | Enviromental Hazard | is anything in our enviroment that can harm | |
| 324567115 | Innocent-until-proven-guilty Principle | a principle based on the philosophy that a potential hazard should not be considered an actual hazard until the scientific data definitively demonstrate that it actually causes harm | |
| 324567116 | Precautionary Principle | when a threat is of serious environmental damage, we should not wait for scientific proof before taking action | |
| 324567117 | Stockholm Convention | government agency in the Department of Labor to maintain a safe and healthy work environment EPA can track the checmicals being produced in the U.S. | |
| 324567118 | REACH | acronym for Registration, Evaluation, Authorisation, and restriction of Chemicals |
