unit 15 - drugs

Question 1

what do antibiotics kill and not kill

Answer 1

can kill bacteria but don’t affect viruses or parasites

Question 1

define a drug

Answer 1

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

Question 2

how do antibiotics kill bacteria (3)

Answer 2

1.prevent the bacteria from reproducing
2. puncture them and cause them to burst open
3. interfere with protein synthesis to stop bacterial growth

Question 3

why do antibiotics not work against viruses

Answer 3

because antibiotics work by disrupting structures in bacteria such as cell walls and membrane, and viruses do not contain these characteristics

Question 4

what does MRSA stand for

Answer 4

methicillin-resistant staphylococcus aureus

Question 5

what is MRSA

Answer 5

a bacterium that has developed resistance to antibiotics. or a super bug

Question 6

ways to reduce development of resistant bacteria

Answer 6

1. only use antibiotics when essential
2. complete a full course of antibiotics