Wound Healing

Question 1

What are the 3 stages of tissue healing and repair?

Answer 1

Inflammation, organization and regeneration.

Question 2

What are the classifications of wound healing discussed in the lecture?

Answer 2

First intention healing and second intention healing.

Question 3

Name the 5 nonspecific responses of tissues to injury and the purpose of that response

Answer 3

vasoconstriction - to control bleeding
vasodilation and edema - to allow cells and other substances to the injury site to start healing
clot formation - to stop bleeding and to protect the wound
phagocytosis - to remove microorganisms and dead tissue from the wound

Question 4

What is formed in the organization phase of wound healing?

Answer 4

Granulation tissue.

Question 5

What does granulation tissue do?

Answer 5

It brings oxygen, nutrients and bacteria inhibiting substances to the wound.

Question 6

How does scar tissue differ from normal tissue?

Answer 6

It is less flexible.