Chapter 9 inflammation, Tissue repair, and wound healing

Question 1

What is tissue repair?

Answer 1

-The way the body responds to injury to get back to normal

Question 2

What is tissue regeneration?

Answer 2

-Cells of the same type replace injured tissue

Question 3

What is Fibrous tissue repair?

Answer 3

-Repair by replacing with connective tissues and scar formation,
-Is for a more complicated wound

Question 4

What is granulation tissue?

Answer 4

-Connective tissue that has all ingredients to build tissue from the bottom up
-Scar formation builds on the granulation tissue

Question 5

Whats the difference between primary and secondary intention?

Answer 5

Primary intention
-Tiny and can be closed by sutures, staples, etc after surgery or injury
-Straight edge, well approximated
-More intentional
-Common with surgery, paper cuts

Secondary intention
-Wound is deeper and thicker
-Can’t be healed by sutures and space will be filled creating scar
-Less intentional
-Scar will probably start to go
-Longer healing time
-Like a pressure injury

Question 6

What are the stages of wound healing?

Answer 6

Hemostasis is the first step. Happens to stop bleeding , through vasoconstriction and activating platlets so bleeding can stop
1) Inflammatory stage
-Begins at the time of injury
-Blood clot forms
-Migration of phagocytic WBC into the wound site

2) Proliferative phase
-New tissue fills the wound
-Fibroblast: Connective tissue that cell synthesizes and secretes collagen, proteglycans and glycoproteins needed for wound healing

3) Wound contraction and remodeling phase
-About 3 weeks after injury, fibrous scar developes ; remodeling of scar tissue

Question 7

What can cause impaired wound healing?

Answer 7

-Malnutrition
-Impaired blood flow and oxygen delivery
-Impaired inflammatory and immune response
-Infection
-Wound separation
-Foreign bodies
-Age effects

Question 8

**Types of exudate
What is a serious exudate?

Answer 8

Water fluid low in protein

Question 9

**Types of exudate
What is hemorrhage exudate?

Answer 9

Leakage of RBC from the capillaries

Question 10

**Types of exudate
What fibrinous exudate ?

Answer 10

Large amounts of fibrinogen, forms a thick and sticky meshwork

Question 11

**Types of exudate
What is a membranous exudate?

Answer 11

Developed in mucous membranes surfaces and are compose of necrotic cells, emneshed in fibro-purulent exudate

Question 12

**Types of exudate
What is purulent exudate?

Answer 12

Contains pus, composed of degraded WBC, proetins, and tissue debris

Question 13

**Types of exudate
What is abscess exudate ?

Answer 13

Localized area of inflammation containing purulent exudate

Question 14

**Types of exudate
What is ulceration?

Answer 14

Epithelial surfaces becomes necrotic