infection and response communicable diseases and pathogens

Question 1

what is a comunicable disease and what are they sprad by

Answer 1

a diease that can be passed from person to person

spread by pathogens

Question 2

what is a pathogen and give some examples

Answer 2

a microorganism which causes an infectious disease

virus/bacteria

protest/fungi

Question 3

what does bacteria do (relating to comunicable diseases)

Answer 3

causes food poisoning

Question 4

how does bacteria make us ill

Answer 4

once they are in the body bacteria reproduce very rapidly and releases harmful chemicals called toxins

Question 5

what do toxins do

Answer 5

they damage tissue and make you feel ill

Question 6

what is hiv and what can is cause

Answer 6

virus

cause aids

Question 7

what is the difference between bacteria and viruses

Answer 7

bacteria can multiply on there own

viruses need a host cell to reproduce

Question 8

what can happen to the cell if the virus multplyes too much

Answer 8

it damages the cell and can cause the cell to burst open and die

Question 9

how can pathogens be spread

Answer 9

in the air through water droplets (e.g influenza)

through water (e.g Cholera)

direct contact between people (e.g HIV through needle sharing)

Question 10

how can you reduce the spread of pathogens

Answer 10

practice of basic hygiene e.g washing hands with soap

providing people with clean drinking water

reduce direct contact between individuals e.g using a condom in sexual intercourse

in high infection diseases like Ebola they can stop the spread by isolating

vaccination

Question 11

what is in the water in the uk which kills microbes

Answer 11

chlorine