Diseases and immunity Flashcards
1
Q
What is a pathogen?
A
A disease causing organism
2
Q
What is direct contact?
A
the pathogen is passed directly from one host to another by transfer of body fluids such as blood or semen
3
Q
What is indirect contact?
A
the pathogen leaves the host and is carried in some way to another, uninfected individual
4
Q
Methods of transmission:
A
food or water, droplets in the air, touching contaminated surfaces, insect bites
5
Q
Mechanical barriers:
A
Skin, hairs in the nose
6
Q
Chemical barriers:
A
Mucus, stomach acid
7
Q
What is the function of a phagocyte?
A
- engulfs the antigen
- detect antigen
8
Q
What is the function of a lymphocyte?
A
-antibody production
9
Q
Auto-immunity is…
A
when cells of the immune system begin to attack the body’s own cells
10
Q
How do we treat type 1 diabetes?
A
- taking insulin
- excercising regularly
