B1 - Drugs and you

Question 1

What are the five types of drugs?

Answer 1

• depressants
• hallucinogens
• stimulants
• painkillers
• performance enhancers

Question 2

What do depressants do?

Answer 2

Depressants slow down the workings of the brain.

Question 3

What do hallucinogens do?

Answer 3

Hallucinogens distort what a person sees and hears.

Question 4

What do painkillers do?

Answer 4

Painkillers stop nerve impulses so no pain is felt.

Question 5

What do performance enhancers do?

Answer 5

Performance enhancers develop muscles.

Question 6

What do stimulants do?

Answer 6

Stimulants speed up the workings of the brain.

Question 7

What is tolerance?

Answer 7

Tolerance is when an organism no longer responds to a drug.

Question 8

Which class of drug is the most dangerous?

Answer 8

Class A drugs are the most dangerous.

Question 9

Suggest why the penalties for supplying drugs are greater than for possession.

Answer 9

This is because you are then giving the drugs to other people and creating even more damage for others.

Question 10

How does nicotine affect the nervous system?

Answer 10

Nicotine causes more neurotransmitter substances to cross to the next neuron and bind to the receptor molecules.

Question 11

Explain why the effects of alcohol are different to the effects of nicotine.

Answer 11

This is because alcohol is a depressant and causes less neurotransmitter to be released whereas nicotine is a stimulant and causes more to be released.

Question 12

Name the four main chemicals in tobacco smoke.

Answer 12

• tar
• nicotine
• carbon monoxide
• particulates

Question 13

What does smoking cause?

Answer 13

Smoking stops the cilia from moving and makes the goblet cells produce extra mucus. Dust and particulates collect and irritate the cells, causing a cough.

Question 14

What is units of alcohol?

Answer 14

Units of alcohol is the alcohol content of a drink.

Question 15

What is one unit equivalent to?

Answer 15

One unit of alcohol is equivalent to 10ml of pure alcohol.

Question 16

Why do alcohol related injury call outs vary during the week?

Answer 16

This is because more people drink alcohol towards the end of the week when they are not working.

Question 17

What is alcohol liver cirrhosis?

Answer 17

Damage from repeated and excessive alcohol abuse leads to alcoholic liver cirrhosis. When the liver tissue starts to scar, the liver doesn’t work as well as it did before. As a result, the body can’t produce enough proteins or filter toxins out of the blood as it should.