Disease

Question 1

What is the difference between communicable and non communicable diseases

Answer 1

communicable can be transmitted between individuals by pathogens whereas non communicable cannot be transmitted

Question 2

how can your body be more susceptible to other diseases

Answer 2

because the immune system becomes weakened by disease so less likely to fight off other diseases

Question 3

what are the 4 types of pathogens

Answer 3

viruses bacteria fungi and protists

Question 4

what 3 diseases are spread by the pathogen bacteria

Answer 4

Cholera
Tuberculosis
Stomach ulcers

Question 5

what disease is spread by protist

Answer 5

Malaria

Question 6

what disease is spread by virus

Answer 6

Ebola

Question 7

what disease is spread by fungi

Answer 7

Chalara ash dieback

Question 8

what a the symptoms and ways of spread and prevention of cholera

Answer 8

diarrhoea
contamination of water
clean water

Question 9

what a the symptoms and ways of spread and prevention of tuberculosis

Answer 9

coughing lung damage
through air
avoid crowded places good hygeine

Question 10

what a the symptoms and ways of spread and prevention of malaria

Answer 10

damage red blood cells
animal vectors mosquitos
use mosquitos nets and insect repellent

Question 11

what a the symptoms and ways of spread and prevention of stomach uclers

Answer 11

stomach pains vomiting
oral transmission
clean water hygienic

Question 12

what a the symptoms and ways of spread and prevention of ebola

Answer 12

Hemorrhagic fever
bodily fluids
isolation sterillising

Question 13

what a the symptoms and ways of spread and prevention of chalara ash dieback

Answer 13

leaf loss
carried in air by wind when diseased trees moved
removing infected trees replant restrict

Question 14

what is the lytic pathway

Answer 14

virus attaches to host cell and injects genetic material

using host cells proteins and enzymes it replicates genetic material
produces the components of new virus

assembles and host cell split open releasing viruses to infect more cells

Question 15

what is the lysogenic pathway

Answer 15

virus injects genetic material into into host cell and it gets incorporated into genome of the host cell

genetic material gets replicated w host DNA every-time host cell divides
- remains dormant

eventually a trigger causes genetic material to leave the genome and enter lytic pathway

Question 16

what is chlamydia how is it spread and how can it be reduced

Answer 16

it is a bacteria pathogen that has not much symptoms but infertility in men and women

can be spread through body fluids
prevented by contraception and screening and avoiding

Question 17

what is HIV and how is it spread and prevented

Answer 17

virus that kills white blood cells destroying immune response

spread via body fluids

prevented by contraception avoid sharing needles and medication

Question 18

what can HIV lead to

Answer 18

AIDS - when the immune system eventually fails and becomes vulnerable to infections of other pathogens