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AQA Legacy B1 > Chapter 3 - Medicine and Drugs > Flashcards

Chapter 3 - Medicine and Drugs Flashcards

1
Q

Define recreational drug

A

Drugs that are used for entertainment

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2
Q

Define medicinal drugs

A

Drugs that are used to ‘get better’

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3
Q

What are antibiotics used for?

A

Kill bacteria

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4
Q

What are vaccines

A

Weaker or dead version of the pathogen.
Body learns how to recognise and defend against the pathogen
Gives us immunity to the pathogen in the future

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5
Q

How do macrophages do?

A

It recognises the pathogen
Engulfs the pathogen
Breaks down the pathogen

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6
Q

What is a placebo?

A

An administered treatment that does NOT contain the drug.

  • Water only in an injection.
  • Sugar (or anything non drug) in a pill
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7
Q

What is a double blind trial?

A

Both the doctor and patient are unaware whether they are taking the drug or the placebo

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8
Q

Why are double blind trials carried out?

A

To prevent bias

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9
Q

What are antibodies?

A

(Free floating) Proteins that attach to antigens

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10
Q

What are antigens?

A

Cell surface proteins that show the identity of the cell (triangle shapes on the outside of the cell)

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11
Q

What makes antibodies?

A

White blood cells

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12
Q

How do viruses make us ill?

A

Take over the cell, reprogram it to make more viruses

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13
Q

How do bacteria make us ill?

A

They multiply and create toxins

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14
Q

Why should you always finish your prescribed course of antibiotics when sick?

A

You may still have bacteria despite feeling better.
Bacteria would then divide again and make you ill.
Bacteria could develop immunity.

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15
Q

What is MRSA?

A

Medically Resistant Bacteria (Staphylococcus Aureus)

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16
Q

What is MMR?

A

Measles Mumps and Rubella

17
Q

How are medically resistant strains of bacteria ‘created’?

A

Over-prescription of antibiotics.

Misuse of antibiotics

18
Q

Why are antibiotics not used to treat viruses?

A

Antibiotics don’t work on bacteria

19
Q

What are some illegal recreational drugs?

A 
Ketamine
Methamphetamine
Cannibis
Cocaine
Opiates
20
Q

What are some legal recreational drugs?

A

Alcohol
Tabacco
Caffeine

21
Q

What does a good medicine do?

A

Must be effective (prevents or cures disease to make you feel better)
Must be safe (side effects)
Easy to take and remove (reach it’s target and leave when finished)
Must be stable (store easily / use in normal conditions)

AQA Legacy B1 (7 decks)

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