Primary and secondary respond Flashcards
1
Q
what is a primary response ?
A
- when antigen comes in contact with the immune system for the fisrt time
- During this time the immune system to recorgnise the antigen and how to make antibodies against them to produce memeory lymphocytes
2
Q
what is the secondary response ?
A
- occurs when a person is exposed to the same antigen
- immunological memoey established
- immune system can start making antibodies against it immediatley
3
Q
what is hurmonal antibody madiated immunity ?
A
- immunity that results from the presence of antibodies in blood and lymph
4
Q
cellular cell mediated immunity ?
A
- immunity mediated by T cells/ TH cells/ cytotoxic T lymphocytes
5
Q
what is humoral immunity ?
A
- carried out ny antibodies produced by B cells
6
Q
hat antibody is first secreated after B cell activation when an antigen is first itroduced to the immune system ?
A
IgM
7
Q
how long does it take for an antibody response and what is it called ?
A
- days to weeks
- lag phase/latent period
8
Q
what do B cells differentiante into ?
A
- plasma cells
9
Q
what antibody appears first during the primary response ?
A
IgM
10
Q
in the secondary response IgM switches to….
A
most common antibody IgG
11
Q
how long is the lag phase/latent period in the secondary response ?
A
shorter than the primary response
