Wounds & Burns

Question 1

Scab

Answer 1

Dried surface of a clot over a wound

Question 2

Endothelial cells

Answer 2

Simple squamous cells that line blood vessels

Question 3

Granulation tissue

Answer 3

Delicate connective tissue made of fibroblasts, collagen, and capillaries

Question 4

Scar

Answer 4

Dense irregular collagenous tissue formed from granulation tissue

Question 5

Keloid

Answer 5

Raised scar tissue

Question 6

Skin grafting

Answer 6

Surgical procedure that involves transplantation of skin

Question 7

Skin graft

Answer 7

The transplanted tissue from skin grafting

Question 8

Regeneration

Answer 8

New cells are the same type and have the same function as destroyed cells

Question 9

Replacement

Answer 9

New type of tissue is developed, which produces a scar and can impare some functions

Question 10

Labile cells

Answer 10

Cells that continue to divide throughout life

Question 11

Stable cells

Answer 11

Cells that do not divide after growth ceases, but retain the ability to divide and are capable of regeneration in response to injury

Question 12

Permanent cells

Answer 12

Cells that are not able to replicate and will be replaced by a different type of cell upon their death

Question 13

Primary union

Answer 13

A process of wound healing when the edges of a wound are close together

Question 14

Secondary union

Answer 14

A process of wound healing when the edges of a wound are not close together or if tissue loss is extensive

Question 15

Fibrin

Answer 15

A thread-like protein found in clots that binds the edges of the wound together

Question 16

Wound contracture

Answer 16

When a wound heals poorly resulting in disfiguring and debilitating scars

Question 17

Describe the 9 steps of deep wound healing.

Answer 17

Bleeding
Mast cells trigger inflammation
Blood clot forms
Scab protects the area
Basale cells surround the wound
Macrophages clean the wound
Fibroblasts/endothelial cells produce granulation tissue
Fibroblasts produce collagen fibers (scar tissue)
Scab dissolves

Question 18

Describe a first degree burn.

Answer 18

A burn through the partial thickness of the epidermis

Question 19

Describe a second degree burn.

Answer 19

A burn through the partial thickness of the dermis

Question 20

Describe a third degree burn.

Answer 20

A burn through the full thickness of the hypodermis

Question 21

What is the rule of nines?

Answer 21

Dividing the body into percent values of burn coverage.

Applies to all degrees of burns, but only in adults

Question 22

What is the percent value of burn coverage of the face and neck?

Answer 22

Anterior: 4.5%
Posterior: 4.5%

Total: 9%

Question 23

What is the percent value of burn coverage of the upper limbs?

Answer 23

Anterior: 4.5%
Posterior: 4.5%

Total per arm: 9%
Total for both arms: 18%

Question 24

What is the percent value of burn coverage of the trunk?

Answer 24

Anterior: 18%
Posterior: 18%

Total: 36%

Question 25

What is the percent value of burn coverage of the lower limbs?

Answer 25

Anterior: 9%
Posterior: 9%

Total per leg: 18%
Total for both legs: 36%

Question 26

What is the percent value of burn coverage of the perineum?

Answer 26

1%

Question 27

It becomes life-threatening when what percentage of the body suffers a second degree burn?

Answer 27

Over 25% of the body

Question 28

It becomes life-threatening when what percentage of the body suffers a third degree burn?

Answer 28

Over 10% of the body