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Biology GCSE Higher > Drugs > Flashcards

Drugs Flashcards

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1
Q

If your body is addicted to drugs what may happen?

A

The body will go through withdrawal symptoms

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2
Q

What drugs are very addictive?

A

Heroin
Cocaine
Nicotine
Caffeine

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3
Q

What are drugs used for?

A

Medicinal, recreational or performance enhancing purposes

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4
Q

Why do you need a prescription for certain drugs?

A

Some drugs such as morphine can be dangerous if misused

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5
Q

What are recreational drugs?

A

Drugs taken for fun

They are legal or illegal

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6
Q

What do anabolic steroids do?

A

Increase muscle size

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7
Q

What do stimulant drugs do?

A

Increase heart rate

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8
Q

What negative effects come with taking steroids?

A

High blood pressure

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9
Q

What ethical issues are there against drugs?

A

It’s unfair if people gain an advantage by taking drugs not just though training

Athletes may not be informed of the serious health risks of the drugs they take

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10
Q

What ethical issues are there for drugs?

A

Athletes have the right to make their own decision about taking the risk

Drug free sport isn’t really fair as different athletes have different training facilities coaches equipment etc.

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11
Q

What do statins do?

A

Lower the risk of heart disease

Lower blood cholesterol

Lower the risk of heart disease

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12
Q

What have scientists investigated about cannabis?

A

Whether the chemicals in cannabis smoke causes mental health problems

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13
Q

What is the first stage in drug testing?

A

Testing on human cells and tissues

This doesn’t happen if the drug affects multiple or whole body systems

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14
Q

What is the second stage of drug testing?

A

Testing on live animals

Checks if it works and toxicity and dosage

Must be tested on two different live animals in uk

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15
Q

What happens in the third stage of drug testing?

A

Tests on human volunteers

Healthy - to make sure there’s no harmful side effect

Ill patients- optimum dose found

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16
Q

What dosage are healthy patients given in a drug trial?

A

A low dose that is slowly raised

17
Q

How are ill patients tested in a drug trial?

A

They’re split into two groups one given the new drug and the other a placebo

Sees the actual difference made

Checks for placebo effect

18
Q

What is a placebo?

A

A drug given in the same form as the actual drug but makes no chemical changes in the body

19
Q

What is a blind trial?

A

The patient in the study doesn’t know whether they’re getting the drug or the placebo

20
Q

What is a double blind trial ?

A

Neither doctor nor patient know who is taking the placebo

21
Q

Why are some trials double blind?

A

To stop doctor being subconsciously influenced by their knowledge

22
Q

Why did thalidomide cause problems in pregnant women?

A

The drug was tested as a sleeping pill but wasn’t tested on pregnant women

23
Q

What side effects happened to foetuses of mothers who took thalidomide?

A

It oases trough the placenta and caused abnormal limb development

Only half survived

24
Q

What is a hard drug?

A

A seriously addictive and harmful drug

25
Q

What is a soft drug?

A

A less addictive less harmful drug

26
Q

Why do people take recreational drugs?

A 
Enjoyment
Relaxations
Stress relief
Get stones
Inspiration
Personal life
27
Q

What are the effects of smoking?

A 
Heart disease
Blood vessel disease
Lung disease
Cancer
Addiction
28
Q

What are the effects of alcohol?

A 
Slows bodies reactions
Impaired judgment
Poor coordination
Unconsciousness
Liver disease
Brain damage 
Addiction
29
Q

What is a drug?

A

Drugs cause chemical change in the body

Biology GCSE Higher (5 decks)

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