Biology 🍃 | Drugs | 15

Question 1

Define Drug

Answer 1

Any substance taken into the body that modifies or affects chemical reactions in the body

Question 2

What do we use to treat bacterial infections?

Answer 2

Antibiotics

Question 3

How do antibiotics kill bacteria?

Answer 3

They damage structures specific to bacterial cells. For example, they damage cell walls.

Question 4

Why don’t antibiotics work against viruses?

Answer 4

Viruses don’t have cell walls. Antibiotics primarily target bacterial structures such as cell walls

Question 5

What does MRSA stand for?

Answer 5

Methicillin-resistant Staphylococcus aureus

Question 6

What leads to bacteria developing antibiotic resistace?

Answer 6

When people overuse antibiotics, the process of natural selection eventually leads to the developing of resistant strands of bacteria that are resistant.

Question 7

How can individuals prevent the incidence of antibiotic resistance?

Answer 7

• Only taking antibiotics when absolutely essential
• Follow the prescribed course of antibiotics

Question 8

Apart from the development of antibiotic resistance, what else can overuse of antibiotics lead to?

Answer 8

It may lead to good bacteria in our bodies that manufacture vitamins being targetted by the antibiotics.