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Chemicals Chapter 11
chemical risks and benefits
Question | Answer |
---|---|
What is a substance that has a defined composition called? | Chemical |
What do we call a drug that is used to cure, prevent or treat illness or discomfort? | medicine |
Why type of chemical can be found in nature or made by natural processes? | natural chemical |
What type of chemical is not found in nature and is not made by natural processes? | synthetic chemical |
What is the power of a medicine to produce a desired effect called? | potency |
What is the quantity of medicine that needs to be taken over a period of time. | dose |
What is a chemical that prevents or slows down the spoiling of food? | food preservative |
What poison do farmers use to kill insects, weeds, and other crop pests? | pesticide |
What do farmers add to soil to improve its quality? | fertilizer |
___ is the pratice of providing sewage and solid waste disposal, clean water and clean living conditions. | sanitation |
What type of chemicals are plastics, aspirin, and windex? | synthetic chemicals |
Name a natural medicine. | penicillin |
What are organisms that live where they are not wanted called? | pests |
Farmers use pesticides and fertilizers to increase ____ ____. | crop yield |
Symptoms that occur from a medicine that differ from what's intended are called? | side effects |
This disease can be brought on by cigarette smoke, air pollution, and aerosol sprays. | asthma |
What do we call chemicals that cause cancer? | carcinogens |
What birth defect can result in a child being born small, brain damage, and mental retardation? | Fetal Alcohol Syndrome |
This disease is associated with the body's ability to use sugar for energy | diabetes |
What is coming in contact with a disease called? | exposure |
What's it called when some people are more likely to react to dangerous chemicals than others? | individual susceptibility |
Examples of natural chemicals | air, water, protein, plants |
What is a disease that causes your immune system to attack certain cells called? | autoimmune disease |
What chemical is used to kill bacteria in wastewater? | chlorine |
Name a carcinogen that causes liver cancer. | alcohol |