Skin Wound Healing

Question 1

Wound

Answer 1

A wound is a break in the integrity of the skin or tissues often which may be associated with disruption of the structure and function.

Question 2

Wound classifications - Based on type

Answer 2

• Tidy wounds
• Untidy wounds
• Clean incised wound
• Lacerated wound
• Bruising and contusion
• Haematoma
• Puncture wound
• Abrasion
• Crush injury
• Injuries to bone and joint (maybe open or closed)
• Injuries to nerve (either clean cut or crush)
• Injuries to arteries and veins
• Penetrating wounds

Question 3

Wound classifications - Based on Thickness

Answer 3

Superficial wound
Partial thickness
Full thickness
Deep wounds
Complicated wounds
Penetrating wound

Question 4

Healing

Answer 4

Healing is the body’s response to injury in an attempt to restore normal structure and function.

Question 5

Two distinct processes of the healing process

Answer 5

Regeneration and Repair

Question 6

Regeneration

Answer 6

It is when healing takes place by proliferation of parenchymal cells and usually results in complete restoration of the original tissues.

Question 7

Repair

Answer 7

It is a healing outcome in which tissues do not return to their normal architecture and functions.

Note : Repair typically results in the formation of scar tissue.

Question 8

Types of Wound Healing

Answer 8

• Healing by first intention (wounds with opposed edges).

- Healing by secondary intention (wounds with separated edges).

Question 9

Stages of Wound Healing

Answer 9

1. Inflammation.
2. Granulation tissue formation and organization.
3. Epithelialization.
4. Scar formation and resorption.
5. Maturation.

Question 10

Phases of soft tissue wound healing

Answer 10

1. Inflammatory phase: It can be broken down into further : a) Clot formation.
   b) Early inflammation.
   c) Late inflammation.
2. Proliferative phase.
3. Maturation phase.