acute inflammation

Question 1

what is apoptosis ?

Answer 1

programmed cell death

Question 2

what does apoptosis defend against ?

Answer 2

defence inherited and injury

Question 3

what is response to injury ?

Answer 3

vascular changes
cellular changes
chemical mediators
morpholigical patterns

Question 4

what is vascular changes ?

Answer 4

dilation and increased permeability of blood vessels

Question 5

what are cellular changes ?

Answer 5

stasis (slowing down)
white cell margination
rolling
adhesions
migration

Question 6

what occurs in the cellular phase ?

Answer 6

fluid and cells escape from permeable venules

Question 7

what are beneficial effects of acute inflammation ?

Answer 7

Toxin dilution
Entry of antibodies
Fibrin formation
Drug transport
Oxygen and nutrient delivery
Immune response stimulation

Question 8

what are harmful effects of acute inflammation ?

Answer 8

Digestion of normal tissues
Swelling
Inappropriate inflammatory response – type 1 hypersensitivity

Question 9

what is chronic inflammation ?

Answer 9

prolonged tissue reactions that follow initial reaction

Question 10

what leads to chronic inflammation ?

Answer 10

recurrence of acute inflammation

Question 11

what are characteristics of inflation

Answer 11

Redness – due to dilatation of small blood vessels
Heat – increased blood flow through region
Swelling – accumulation of fluid in extravascular space
Pain – distortion of tissues
Loss of function – inhibited by pain or swelling