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Biology > B1.3 > Flashcards

B1.3 Flashcards

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1
Q

What’s the definition of a drug?

A

Chemical substances that alter the way the body works

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2
Q

What are medical drugs?

A

Drugs developed to make you feel better if you have an illness

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3
Q

What are recreational drugs?

A

Drugs that are legal and illegal

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4
Q

What are performance enhancing drugs?

A

Drugs designed to make you stronger, faster and have more stamina

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5
Q

What has thalidomide now been found to treat?

A

Leprosy

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6
Q

What was thalidomide first made as?

A

Sleeping pill

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7
Q

What is the process of making new medical drugs?

A
  • Tested on cells, tissues and animals. This is called toxicity
  • Clinical trial. If no side effects are produced the drug moves on
  • More clinical trials eg double blind trials
  • If the drug has effect on the illness it will get approval
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8
Q

How long does the process of testing new medical drugs take?

A

About 10 years

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9
Q

What was the issue with thalidomide?

A

It was found to treat morning sickness but gave the mothers babies with deformed limbs

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10
Q

Why might people take recreational drugs?

A

~ Improve their mood
~ Socialise
~ Relieve stress

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11
Q

What are some addictive drugs?

A

Nicotine

Alcohol

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12
Q

What are some highly addictive drugs?

A

Cocaine
Heroin
Cannabis
Ecstasy

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13
Q

What drugs have affects the heart and circulatory system?

A

Heroin
Cannabis
Ecstasy

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14
Q

Why is cannabis such a dangerous drug?

A 
~ Can lead to mental illness
~ Can lead onto class A drugs
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15
Q

Why do nicotine and alcohol have a bigger impact on society?

A

Because more people take them and they cause long term health issues

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16
Q

What are anabolic steroids?

A

Performance enhancing drugs that build muscle

17
Q

What are stimulants?

A

Drugs that increase heart rate and stamina

18
Q

What do beta blockers do?

A

Keep you steady and calm. Used by archery and dart players

19
Q

Why are drugs banned in sport?

A

They give athletes unfair advantages by increasing strength and stamina

20
Q

What is a placebo?

A

~ A model of a drug which seems the same but contains no active drug
~ Tricks the brain to think real drug has been taken

21
Q

What is the placebo effect?

A

Believing a ‘drug’ will do something even if it isn’t a real drug

22
Q

What does aspirin do?

A

Thins the blood

23
Q

What do statins do?

A

Lower LDL cholesterol

24
Q

What does it mean if a drug is addictive?

A

You depend on them and suffer withdrawal symptoms without them

Biology (21 decks)

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