UNIT 2 IMMUNE SYSTEM Flashcards
1
Q
What are the 3 phases that happens when there is an infection local+systemic) ? 3
A
- Vascular
- cellular
- phagosytosis
2
Q
in vascular phase what happens?
A
- vasodilation
- changes permeability endothelium
- exudate = pus
3
Q
what is an Edema?
A
-swelling of soft tissues as a result of excess fluid accumulation
4
Q
what is exudate?
A
- bigger molecules
- due to tremors
- hp> op plasma goes into interstitial space
5
Q
what is transudate ?
A
- EDEMA containing small mols
- hp
6
Q
what is?
- serous exudate =
- purulent exudate =
A
- plasma, proteins few leukos, transparent
2. Purulent exudate - a lot leukos, green + bacteria
7
Q
which chemical mediators are vasodilators?
A
- PG1+2
2. histamine (usually allergies)
8
Q
what is arachoic acid made of?
A
LT + PG (+PG2txa2)
9
Q
what does Txa2 do?
A
promotes aggregation of platelets
10
Q
what do cytokines do?
A
in inflammation + immunity - IL-1 + 6
11
Q
antiinflammatory drugs?
steroids
A
STEROIDS
- blocks both pg +lt
1. cortisol, cortisone, presione
12
Q
antiinflammatory drugs NSAIDS?
A
blocks only pg
1. paracetamol, ibuprofin and aspirin
13
Q
NSAIDS characteristics?
A
- antiinflam
- anti analgesic =pain
- antipyretic =fever
14
Q
aspirin is what?
A
ANTIPLATLETS
15
Q
What is cyanosis?
A
blue colour = blood loss
