pathogens and disease

Question 1

what is a disease

Answer 1

a condition that impairs the normal functioning of an organism

Question 2

what is a pathogen

Answer 2

an organism that causes disease

Question 3

what is a communicable disease

Answer 3

a disease that can spread between organisms

Question 4

what diseases are caused by bacterium

Answer 4

TB, bacterial meningitis, ring rot

Question 5

what does TB affect

Answer 5

animals, typically humans and cattle

Question 6

what does bacterial meningitis affect

Answer 6

humans

Question 7

what does ring rot affect

Answer 7

potatoes and tomatoes

Question 8

what diseases are caused by viruses

Answer 8

HIV, influenza, tobacco mosaic virus

Question 9

what does HIV affect

Answer 9

humans

Question 10

what does influenza

Answer 10

animals including humans

Question 11

what does tobacco mosaic virus affect

Answer 11

plants

Question 12

what diseases are caused by fungus

Answer 12

black sigatoka, ringworm and atheletes foot

Question 13

what does black sigatoka affect

Answer 13

banana plants

Question 14

what does ringworm affect

Answer 14

cattle

Question 15

what does athletes foot affect

Answer 15

humans

Question 16

what is direct transmission

Answer 16

disease transmitted directly from one organism to another

Question 17

what are examples of direct transmission

Answer 17

droplet infection, sexual intercourse and touching

Question 18

how is HIV transmitted directly

Answer 18

sexual intercourse between humans

Question 19

how is athletes foot transmitted directly

Answer 19

can be spread via touch

Question 20

what is indirect transmission

Answer 20

when a disease is transmitted from one organism to another via an intermediate

Question 21

how is malaria transported via indirect transmission

Answer 21

mosquitoes acting as vectors

Question 22

how is potato/ tomato blight transported indirectly

Answer 22

when spores are carried between plants

Question 23

how does overcrowding increase the transmission of communicable diseases

Answer 23

it is spread via droplet infection and bacteria can also remain in the air for long periods of time

Question 24

how does climate affect the transmission of communicable diseases

Answer 24

malaria is the most common in tropical countries which are humid and hot because they are ideal conditions

Question 25

how do social factors affect communicable disease transmission

Answer 25

if there is good healthcare, people are less likely to be diagnosed with HIV and also better treatments and better education about contraception