Communicable diseases Flashcards
1
Q
what is a communicable disease?
A
- A disease that can be transferred between organisms e.g. HIV
2
Q
what is a pathogen?
A
- a microorganism that causes disease.
3
Q
what are the 4 examples of pathogens?
A
- bacteria
- viruses
- fungi
- protocista
4
Q
what is direct transmission?
A
- when a disease is passed directly between organisms
5
Q
what are some examples of direct transmission?
A
- through sexual intercourse
- droplet infection
- needles
- coughing/sneezing
6
Q
what is indirect transmission?
A
- when a disease is passed on via an intermediate
7
Q
what are examples of indirect transmission?
A
- food/drink
- spores
- mosquitoes
8
Q
what is an vector?
A
- an organism that transfers a pathogen between organisms
9
Q
what are some examples of vectors?
A
- mosquitos transfer malaria protocista between humans
10
Q
what are some examples of bacteria?
A
- Tuberculosis (TB)
- Bacteria Meningitis
- Ring Rot
11
Q
who does TB affect?
A
- animals
- humans
- badgers
- cows
12
Q
Who does Bacteria Meningitis affect?
A
- Humans
13
Q
who does Ring rot affect?
A
- humans
14
Q
what are some examples of viruses?
A
- HIV
- influenza
- TMV
15
Q
who does HIV affect?
A
- humans
