Integumentary System Chp. 5

Question 1

integument

Answer 1

pertaining to the skin

Question 2

integumentary system

Answer 2

pertaining to the skin and accessory organs

Question 3

epidermis

Answer 3

organism’s outer layer of cells

Question 4

dermis

Answer 4

thick skin layer that lies beneath the epidermis

Question 5

hypodermis

Answer 5

mainly composed of fat, this loose layer is directly beneath the dermis; subcutaneous

Question 6

stratum basale

Answer 6

deepest layer of the epidermis, where cell division occurs

Question 7

stratum spinosum

Answer 7

one of the five layers of epidermis

Question 8

stratum granulosum

Answer 8

one of the five layers of epidermis

Question 9

stratum lucidum

Answer 9

formed in areas with a lot of friction; calluses

Question 10

stratum corneum

Answer 10

uppermost keratinized layer of the epidermis

Question 11

keratin

Answer 11

insoluble protein present in the epidermis and in epidermal derivatives, such as hair and nails

Question 12

melanocyte

Answer 12

melanin producing cell

Question 13

Langerhans cells

Answer 13

specialized epidermal cells that assist the immune system

Question 14

dermal papillae

Answer 14

helps keep the epidermis and dermis together

Question 15

sebaceous gland

Answer 15

gland of the skin that secretes sebum

Question 16

sebum

Answer 16

oily secretion of the sebaceous glands

Question 17

sweat gland

Answer 17

skin gland that secretes a fluid substance for evaporative cooling; also called sudoriferous gland

Question 18

apocrine sweat gland

Answer 18

usually associated with hair follicles, continuously secrete a fatty sweat into the gland tubule.

Question 19

eccrine sweat gland

Answer 19

the most numerous, distributed across nearly the entire body surface area, and responsible for the highest volume of sweat excretion

Question 20

ceruminous sweat gland

Answer 20

modified apocrine sweat glands that underlie the superficial epithelial lining of the external ear canal

Question 21

hair follicle

Answer 21

tube like depression in the skin in which a hair develops

Question 22

hair root

Answer 22

The part of a hair that is embedded in the hair follicle

Question 23

hair shaft

Answer 23

the part of your hair that can be seen above your scalp; made up of keratin

Question 24

arrector pili

Answer 24

smooth muscle in the skin associated with a hair follicle

Question 25

basal cell carcinoma

Answer 25

form of skin cancer that begins in the epidermis and rarely metastasizes but has the capacity to invade local tissues

Question 26

squamous cell carcinoma

Answer 26

cancer that occurs in the outermost part of the epidermis (skin surface) or the surface of certain portions of the body (areas of the head and neck or genitalia) known as squamous cells

Question 27

melanoma

Answer 27

deadly form of skin cancer that begins in the melanocytes, pigment cells present in the epidermis

Question 28

fibroblast

Answer 28

a cell in connective tissue which produces collagen and other fibers

Question 29

rule of nines

Answer 29

estimates the size of a burn

Question 30

rule of nine - head

Answer 30

9%

Question 31

rule of nine - arm (individual)

Answer 31

9%

Question 32

rule of nine - abdomen

Answer 32

18%

Question 33

rule of nine - back

Answer 33

18%

Question 34

rule of nine - leg (individual)

Answer 34

18%

Question 35

rule of nine - genitalia

Answer 35

1%

Question 36

hyperthermia

Answer 36

abnormally high body temperature

Question 37

hypothermia

Answer 37

abnormally low body temperature

Question 38

when tiny muscles in our skin’s hair follicles, called arrector pili muscles, pull hair upright

Answer 38

How are goose bumps formed?

Question 39

How is acne formed?

Answer 39

when hair follicles under the skin become clogged

Question 40

What is the relation between the structure of skin and the formation of fingerprints?

Answer 40

The top layer of the skin is the epidermis, which has protrusions on the surface called papillary ridges (fingerprint)

Question 41

What are the warning signs for melanoma?

Answer 41

Unusual mole requirements:
A - asymmetrical
B - borders (w/notches, indentations)
C - color (uneven)
D - diameter ( >6mm)
E - elevation (raised above skin)

Question 42

What is the wound healing process?

Answer 42

1. inflammatory response: redness, swelling, heat, pain
2. blood will clot and scab
3. white blood cells will fight infection
4. fibroblasts pull edges of wound together and cause scar tissue
5. basal layer of epidermis produces cells at higher rate than normal rate