Biology

Question 1

What is addiction?

Answer 1

A physical or mental dependence on a drug.

Question 2

Name 3 common legal recreational drugs?

Answer 2

Alcohol. Nicotine. Caffeine.

Question 3

Name 2 very addictive illegal drugs?

Answer 3

Heroin. Cocaine.

Question 4

Name 3 recreational drugs that are stimulants?

Answer 4

Caffeine. Nicotine. Cocaine.

Question 5

Name 2 recreational drugs that are depressants?

Answer 5

Alcohol. Cannabis.

Question 6

How does a stimulant affect your brain?

Answer 6

It speeds up the activity of the brain.

Question 7

How does a depressant affect your brain?

Answer 7

It slows down responses of the brain.

Question 8

What can be the short term affects of excessive alcohol use?

Answer 8

Relaxation, loss of inhibitions, vomiting, unconsciousness.

Question 9

Which 2 organs are affected most by long term alcohol use?

Answer 9

Cirrhosis

Question 10

What is the name of the addictive drug found in tobacco smoke?

Answer 10

Nicotine.

Question 11

What diseases are associates with smoking tobacco?

Answer 11

Hear disease. Stroke. Lung, Mouth & Throat cancer.

Question 12

Name the harmful gas found in tobacco smoke?

Answer 12

Carbon monoxide.

Question 13

What is a carcinogen?

Answer 13

A substance that causes cancer.

Question 14

Name the major carcinogen found in tobacco smoke?

Answer 14

Tar

Question 15

What risk factors are associated with smoking in pregnancy?

Answer 15

Miscarriage. Premature birth. Low birth weight.

Question 16

What affect does carbon monoxide have on the body?

Answer 16

It prevents the blood from carrying oxygen.

Question 17

What are the 3 main stages of testing when developing a new medical drug?

Answer 17

1. Cell testing
2. Animal testing
3. Clinical trials on healthy.

Question 18

What is a placebo?

Answer 18

A substance imitating a medicine but containing none of the drug.

Question 19

Describe a double-blind trial?

Answer 19

A trial in which some patients are given the new drug and some a placebo. Neither of the doctors or patients are told which.

Question 20

What is thalidomide?

Answer 20

A medicine developed in the 1950’s as a sleeping pill.

Question 21

Why did thalidomide cause a change to the law on drug development?

Answer 21

It was used to treat pregnant women for morning sickness without proper testing and caused birth defects.

Question 22

What new law was passed following the thalidomide tragedy?

Answer 22

The medicines act 1968- all drugs must be tested on animals to test their effects on developing fetuses.

Question 23

What are Drugs?

Answer 23

Substances that change the chemical process in the body.