Inflammatory Process

Question 1

What are the four types of defence barriers?

Answer 1

Anatomy
Physiology
Phagocytosis/ Endocytosis
Inflammation

Question 2

Give examples of anatomy defence barrier

Answer 2

Skin - mechanical barrier to microbes
Ph 3-5, acidic
Mucous membrane - traps foreign microbes

Question 3

Give examples of physiological innate defence

Answer 3

Body temperature - fever inhibits growth of some pathogens
Low Ph - acid in stomach kills microbes
Tears - contain lysozyme which destroy bacterial cell wall

Question 4

What is phagocytosis/ endocytosis

Answer 4

the process where phagocytes eat and engulf/ digest microbes

Question 5

What triggers the inflammatory process?

Answer 5

Tissue damage, Infection

Question 6

What are the signs of infection? Think PRISH.

Answer 6

Pain
Redness
Immobility
Swelling
Heat

Question 7

For PRISH, what is happening in the body to cause this?

Answer 7

Pain - Stretching of nerves due to pain
Redness - Increased blood flow to the area
Immobility - Loss of function
Swelling - Increased capillary permeability
Heat - Increased blood low to the area

Question 8

What is the purpose of the inflammatory response?

Answer 8

Purpose = protective

Question 9

What chemical mediators are released during the inflammatory process?

Answer 9

Histamine
Serotonin
Prostaglandins
Heparin
Bradykinin

Question 10

Why are NSAIDs (ibuprofen) usually taken during an inflammatory response?

Answer 10

They reduce inflammation by slowing production of prostaglandins