B1.3 drugs revision

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  • Created by: Lena Fray
  • Created on: 06-02-16 19:52
What is a drug?
Drugs are chemicals that alter the functions of the body.
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What does addictive mean?
Means that someone be comes dependant on the drug and needs to take it often.
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What does withdrawal symptoms mean?
Are the unpleasant side effects of stopping taking a drug.
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What does tolerance mean?
If someone develops a tolerance to a drug, they need to take bigger doses for the drug to have an effect.
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What are the two types of drugs?
Beneficial- such as antibiotics and harmful such as recreational drugs.
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How do doctors control drugs?
By only giving them with a prescription.
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What is the first step of drug testing?
Testing on human cells in a laboratory - to test the affects on whole/multiple body systems.
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What is the second step of drug testing?
Tested on live animals - to see if the drug works/ is toxic/to work out dosages
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What is the third step in drug testing?
Clinical tests on healthy humans - to test for side effects
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What is the fourth step in drug testing?
Testing on ill people - to find the optimum dosage
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What is the placebo test?
When doctors test the drug on two groups of people they give one the real drug and the other a "false" drug. This allows for the placebo effect, when the patients who have the false drug feel better because they believe the drug is working.
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What is a blind test?
When the patients don't know if they have the real drug or placebo, to make sure the results are not bias. Double blind is when the doctors also don't know who has the real drug.
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What was Thalidomide made to cure?
Was made as a sleeping pill.
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What was Thalidomide used for and what was the consequence?
It was used for morning sickness in pregnant woman but caused the babies to be born with serve limb abnormaties.
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What is Thalidomide now used for?
To cure leprosy and other diseases.
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How are statins used?
They are prescribed drugs used to lower the risk of heart and circulatory disease as they lower blood cholesterol which lowers the rick of heart disease.
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What are the two types of performance enhancing drugs and what do they do?
Anabolic steroids increase muscle size and stimulants increase heart rate.
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Do legal or illegal drugs have a greater effect on people?
Legal drugs (prescribed and non-prescribed) have a greater effect on people - because far more people use them.
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Why do people take recreational drugs? (5 things)
for enjoyment, stress relief, relaxation, to get stoned or for inspiration.
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What are the effects of smoking?
It causes heart, lung and blood vessels disease. Tobacco cases cancers, and nicotine in cigarettes make them addictive so its difficult to stop smoking.
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What are the effects of alcohol?
It affects the nervous system and slows down the bodies reactions. Excess leads to impaired judgment, poor coordination and unconsciousness. Its addictive and can cause liver and brain damage.
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What are the effects of heroin, ecstasy and cannabis?
can cause heart and circulatory system problems
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Other cards in this set

Card 2

Front

What does addictive mean?

Back

Means that someone be comes dependant on the drug and needs to take it often.

Card 3

Front

What does withdrawal symptoms mean?

Back

Preview of the front of card 3

Card 4

Front

What does tolerance mean?

Back

Preview of the front of card 4

Card 5

Front

What are the two types of drugs?

Back

Preview of the front of card 5
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