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Health Unit 7
Drugs
| Question | Answer |
|---|---|
| Def nuerotransmitters | chemicals in brain that send messages between brain cells |
| What do drugs do in the brain? | impersonate neurotransmitters or trigger excessive release of them |
| what is the limbic system | part of brain that releases dopamine (neurotransmitter) that causes pleasure |
| what is tolerance? | level where larger amount of drug is needed to just feel normal |
| what is addiction | when brain changes cause person to use drug compulsively |
| what is nicotine? what are the effects on the body? | addictive drug in tobacco, increases heart rate, blood pressure, risk of heart disease |
| how is carbon monoxide bad for cells? | replaces O2 and deprives cells of O2 |
| how is tar harmful to the lungs? | damages alveoli, cilia, lung tissue |
| what is emphysema? what is it caused by? | destructive disease where alveoli are destroyed and causes shortness of breath, caused by smoking |
| compare smokeless tobacco and cigarettes | smokeless is more harmful, higher risk of leukoplakia and throat cancers |
| how does smoking during pregnancy affect fetus? | nicotine enters fetus's blood and impairs growth, deformities, premature delivery |
| define alcohol poisoning and 3 effects on body | fatal reaction to too much alcohol where person can choke on own vomit --> mental confusion, irregular heartbeat, hypothermia |
| define binge drinking | drinking 5 or more alcoholic drinks in one sitting |
| 4 long term effects of alcohol use | brain damage, liver damage, heart damage, digestive problems |
| 5 short term effects of alcohol use | euphoria, nausea, loss of coordination, memory loss, slow reaction time |
| what effects does alcohol have on the liver? | fatty liver = fat builds up and cell can't get O2 cirrhosis = liver tissue replaced with useless scar tissue |
| define alcoholic | addict who is dependent on alcohol |
| list stages of alcohol and explain each | 1) Abuse (drinks often) 2) Dependence (lies about it) 3) Addiction (most important thing in life) |
| define analgesics and give 3 examples | pain relievers (aspirin, morphine, acetaminophen |
| how do medicines affect the body? | prevent disease, relieve pain, fight pathogens |
| What are psychoactive drugs? what are the 4 main categories? | drugs that alter the nervous system; stimulants, depressants, hallucinogens, narcotics |
| What are stimulants? give 2 examples | drugs that speed up nervous system ex. cocaine, nicotine |
| what are depressants? give 2 examples | drugs that slow down nervous system ex. alcohol, rohypnol |
| what are narcotics? give 2 examples | prescription drugs that relieve pain ex. morphine, heroin |
| what are hallucinogens? give 2 examples | drugs that alter mood, thoughts, senses ex. LSD, ecstasy |
Created by:
mhaq.16
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