Session 1 Flashcards
(8 cards)
1
Q
What’s a virulence factor?
A
Molecules produced my micro organisms that add to their effectiveness
2
Q
What can raised crp levels indicate?
A
Inflammation possibly due to infection
3
Q
What tests can be done to check for infection?
A
- FBC, neutrophils and lymphocytes
- CRP levels
- liver and kidney function tests
- imaging = x ray, ultrasound, mri.
4
Q
How can virology check for infections?
A
- antigen detection (the virus)
- antibody detection (the patients response)
- detecting viral nucleic acid (DNA or RNA)
5
Q
What’s the structure of influenza virons?
A
Spherical, enveloped particles with two spikes projecting from the surface - one with H protein one with N protein.
6
Q
How does type A influenza differ from type B?
A
Type A has subtypes dependant on antigen associated with outer viral proteins and an animal reservoir and have different internal antigens
Type B = one type and no subgroups
7
Q
Why might wbc count increase?
A
- infection
- inflammation
- cancer
8
Q
Why might wbc decrease?
A
- autoimmune conditions
- viral infections
- bone marrow failure
- congenital marrow aplasia
- enlarged spleen
- liver disease
- alcohol excess