skin and bones

Question 1

what are the 4 proteins in the skin?

Answer 1

• keratin
• collagen
• elastin
• melanin

Question 2

what are the parts of the bone?

Answer 2

• epiphysis
• diaphysis
• cartilage
• metaphysis

Question 3

what is red bone marrow?

Answer 3

bone marrow that contains blood stem cells that can become red blood cells, white blood cells, or platelets

Question 4

what is yellow bone marrow?

Answer 4

bone marrow that is made mostly of fat and contains stem cells that can become cartilage, fat, or bone cells

Question 5

what is spongy bone?

Answer 5

a soft and smooth bony structure that forms the epiphysis of long bones

has more space
filled with blood vessels

Question 6

what is compact bone?

Answer 6

a heavy bony structure that forms the diaphysis of long bones

Question 7

comminuted break

Answer 7

shattered/ multiple pieces of bone

Question 8

greenstick break

Answer 8

when the bone doesn’t fully break all the way through (bent)

Question 9

spiral break

Answer 9

a fracture from a twisting force that causes a fracture through and around the bone

Question 10

oblique break

Answer 10

when the bone is broken at an angle

Question 11

transverse break

Answer 11

when the bone is broke perpendicularly

Question 12

compression break

Answer 12

when your vertebrae/spine collapses

Question 13

depression break

Answer 13

when a portion of your skull gets crushed

Question 14

keratin

Answer 14

helps form hair, nails, and skin

Question 15

collagen

Answer 15

allows skin to bend (in dermis)

Question 16

elastin

Answer 16

helps tissues to stretch (dermis

Question 17

melanin

Answer 17

natural pigmentation (between dermis and epidermis)

Question 18

bone healing stages

Answer 18

1. hematoma
2. inflammation
3. soft callus
4. hard callus
5. remodeling

Question 19

hematoma

Answer 19

bleeding

Question 20

inflammation

Answer 20

swelling

Question 21

soft calus

Answer 21

spongy bone fills in the break

Question 22

hard calus

Answer 22

compact bone fills in the break

Question 23

remodeling

Answer 23

new bone is formed

Question 24

1st degree burn

Answer 24

only epidermis is damaged
burn site is red, painful, dry, and with no blisters
ex: sunburn

Question 25

2nd degree burn

Answer 25

the epidermis and part of the dermis is damaged
burn site looks red, blistered, and may be swollen and painful

Question 26

3rd degree burn

Answer 26

the epidermis and dermis are destroyed
may go into the subcutaneous tissue. burn site may look white or blackened and charred

Question 27

4th degree burn

Answer 27

burns go through both layers of the skin and underlying tissue as well as deeper tissue, possibly involving muscle and bone
all nerve endings are destroyed