Treating And Preventing Diseases

Question 1

Antibiotics are..

Answer 1

Medicines that can kill bacteria in the body

Question 2

Drugs were traditionally extracted from plants and microorganisms for example….

Answer 2

The heart drug digitalis comes from foxglove plants
The painkiller aspirin originates from willow trees
Penicillin was discovered by Alexandra Fleming from penicillin mould.

Question 3

New drugs are extensively tested and trialled for….

Answer 3

Toxicity-is it harmful
Efficacy- does it work
Dose - what am,punt is safe and effective to give

Question 4

Pre clinical trials

Answer 4

Drug is tested in cells, tissues, and live animals

Question 5

Clinical trials

Answer 5

Healthy volunteers receive very low doses to test whether the drug is safe and effective

If safe, larger numbers of healthy volunteers and patients receive th drug to fine the optimum dose.

Question 6

Peer review before being published, the results of clinical trials will be tested and checked by independent researchers.

Answer 6

before being published, the results of clinical trials will be tested and checked by independent researchers.

Question 7

What’s a vaccination

Answer 7

Vaccinations involve injecting small quantities of dead or inactive pathogens into the body