9.19 Injury, Inflammation, Healing 4

Question 1

acute inflammation phase: time frame

Answer 1

1-6 days

Question 2

Functions of the inflammatory response

Answer 2

• inactivate injurious agent
• break down/remove dead cells
• initiate healing of tissue

Question 3

acute inflammation outcomes

Answer 3

• complete resolution and restoration of normal tissue structure
• healing with scar formation
• mild tissue damage

Question 4

cardinal signs of inflammation

Answer 4

• calor (heat)
• rubor (erythema)
• tumor (edema)
• dolor (pain)
• functio-laesa (loss of function)

Question 5

hyperemia

Answer 5

increased blood flow (redness, erythema)

Question 6

swelling caused by

Answer 6

increased permeability of cells and vasodilation

Question 7

If swelling with blood, called

Answer 7

ecchymosis

Question 8

What is chronic inflammation?

Answer 8

• progression of active inflammation

- inflammation lasting 2 weeks or longer

Question 9

Chronic inflammation results in

Answer 9

tissue destruction

Question 10

Chronic inflammation is often related to

Answer 10

unsuccessful acute inflammatory response

Question 11

tendonitis vs. tendinosis

Answer 11

• itis: no tendon damage, just acute inflammatory process

- osis: tendon is damaged

Question 12

causes of chronic inflammation

Answer 12

• high lipid and wax content of a microorganism
• ability to survive inside the macrophage
• toxins
• chemicals, particulate matter, physical irritants