Use And Abuse of Drugs

Question 1

Describe the stages in developing and testing new medical drugs

Answer 1

1) Need to be tested in the lab on cells, tissues and animals this is called toxicity
2) Clinical trials happens next to young volunteers who are given a low dosage
3) Double blind trials happen next this is when doctor will give someone either the real drug or the placebo to prevent lying and the doctor is not allowed to know either to prevent them being bias.
4) Approval

Question 2

State the use of statins

Answer 2

Statins are a type of medication that blocks the action of an enzyme in the liver that helps produce cholesterol.

Question 3

Describe the problem, and current uses of thalidomide

Answer 3

A lot of babies were born with deformed limbs because they didn’t test the drug on pregnant women

Question 4

Describe what a “drug” is and the problems with dependence and addiction

Answer 4

A medicine or other substance which has a physiological effect when ingested or otherwise introduced into the body. If you stop staking addictive drugs you start to suffer from withdrawal effects.

Question 5

State some of the effects of misuse of illegal and illegal recreational drugs

Answer 5

They can damage the heart and circulatory system. Cannabis smoke contains chemicals that cause mental illness in some people.

Question 6

Describe some examples of performance enhancing drugs in sport

Answer 6

Anabolic steroids- these drugs help to build muscle. Stimulants- increase the heart rate which could lead to have more stamina.