Lesson 2

Question 1

wound healing

Answer 1

natural process
several overlapping stages
may not be fully restored
want to maintain homeostasis

Question 2

what happens to vessels when we get a wound

Answer 2

vasoconstriction

platelets

Question 3

temp for platelets to work

Answer 3

35C

Question 4

epitheliazation

Answer 4

new epithelial cells move into injured region

Question 5

neovascularization

Answer 5

new blood cells/capillaries buds
conduit of O2 and nutrients
pathway for waste removal

Question 6

what is collagen

Answer 6

tough fibrous protein
repair unit
synthesized by fibroblast
stabilizes

Question 7

anatomical factors

Answer 7

meds
skin tension lines
medical 
circulation
crush injuries
conditions 
repeated areas

Question 8

high risk wounds

Answer 8

bites

foreign body object

Question 9

primary closure

Answer 9

immediate closure

Question 10

secondary intention

Answer 10

close it but may have to reopen it

Question 11

infection

Answer 11

any break in skin
delayed healing
additional complications

LOOK FOR VISIBLE CLUES

Question 12

gangrene

Answer 12

clostridium perfringens
can occur from untreated wounds
usually happens to lower economic groups

Question 13

tetanus

Answer 13

potent toxin
lock jaw
rare

Question 14

necrotizing fasciitis

Answer 14

death of tissue from bacterial infection 
rare 
happen to anyone 
very pain full 
necrosis 
mortality 70-80%

Question 15

closed wounds

Answer 15

no break in epidermis

contusion (bruise)

Question 16

open wound

Answer 16

disruption of the skin
vulnerable to infection
all blood volume could be lost

Question 17

does all bleeding end eventually?

Answer 17

yes

Question 18

crush injury

Answer 18

body part crushed between 2 objects

Question 19

t/f any sign of shock thing hemmoragic

Answer 19

T!

Question 20

crush syndrome

Answer 20

happens when body is trapped for 4+ hours

muscles destroyed beyond repair

Question 21

blast injuries

primary phase

Answer 21

pressure wave
heat and air displacement
damages air filled cavities

Question 22

blast injuries secondary phase

Answer 22

blast wind
less forceful then pressure wave but lasts longer
flying debris

Question 23

blast injuries tertiary phase

Answer 23

displacement away from the blast site or collapse of surrounding structure
thrown abasing rigid structure
risk of entrapment
multiple patients

Question 24

blast injuries quaternary phase

Answer 24

burns

random events that happen during an explosion

Question 25

Scene safety

Answer 25

safety | MOI/NOI

Question 26

superficial wounds

Answer 26

ooze small amounts of blood

Question 27

lacerations

Answer 27

cut inflicted by a sharp instrument first priority is to control bleeding severity depends on depth

Question 28

puncture wounds

Answer 28

from a pointed object or bullet wound impaled foreign object

Question 29

avulsions

Answer 29

flap of skin torn loose | may be accompanied by profuse bleeding

Question 30

scene safety

Answer 30

safety MOA consider forces involved determine number of patients

Question 31

primary assessment

Answer 31

``` life threats general impressions spine injuries level of consciousness ABCs palpate and insect skin priority decision ```

Question 32

secondary assessment

Answer 32

physical examination MOA serious trauma

Question 33

closed wound treatment

Answer 33

ice/cold packs compression elevate injured part above heart use splint if needed

Question 34

open wound treatment

Answer 34

control bleeding keep wounds clean determine how bad it is determine how much blood is lost

Question 35

HEENT

Answer 35

``` head ears eyes nose throat ```