Module 4 - things to note from lesson questions

Question 1

5 layers of the epidermis of thick skin in order starting with the deepest to most superficial layer

Answer 1

stratum corneum (most superficial)
stratum lucidum
statum granulosum
statum spinosum
stratum basale (deepest)

Question 2

layer of the epidermis asbsent in thin sin

Answer 2

stratum lucidum

Question 3

layer that is only one cell thick and source of most of the cell division (mitosis) in the epidermis

Answer 3

stratum basale

Question 4

merkel cells

Answer 4

respond to touch (stratum basale)

Question 5

melanocytes

Answer 5

produce the pigment of melanin (stratum basale)

Question 6

langerhans cell

Answer 6

stratum spinosium = function as macrophages, provide an immune respond by removing foregin invaders such as bacteria

Question 7

two layers of the dermis

Answer 7

papillary & reticular

Question 8

thickets of two layers of the dermis

Answer 8

reticular

Question 9

reticular layer

Answer 9

made up of dense irregular connective tissue

Question 10

elastin fibers

Answer 10

provide the dermis of the skin with elasticity

Question 11

collagen fibers

Answer 11

provide structural strength

Question 12

fibers

Answer 12

connective tissue

Question 13

meissner corpuscles

Answer 13

found in the thin, highly folded, papillary layer of the dermis, they respond to touch
papillary layer

Question 14

connective tissue that makes up the bulk of the hypodermis

Answer 14

loose areolar connectise tissue and adipose tissue (connective tissue)

Question 15

adipose (fat) tissue

Answer 15

provides protection for underlying organs, a place to store energy, and a way to maintain body temperature

Question 16

albinism

Answer 16

genetic disorder

Question 17

vitiligo

Answer 17

not a genetic disorder

Question 18

hair root

Answer 18

is contained in the dermis of the skin

Question 19

hair shaft

Answer 19

begins at the superficial epidermis above the hair follicle and exits the skin at its free surface, you can see it, composed of dead keratinized cells

Question 20

three layers of a hiair

Answer 20

medulla (inner)
cortext (middle)
cuticle (outer)

Question 21

function of hair matrix

Answer 21

growing part of the hair

Question 22

hair papilla

Answer 22

contains blood capillaries and nerve endings and is found at the base of the hair follicle

Question 23

structure of the dermis that causes goose bumps

Answer 23

arrector pili muscle associated with hair

Question 24

eponychium

Answer 24

cuticle of the nail

Question 25

nail fold

Answer 25

anchors the nail to the skin at the edges

Question 26

eccrine

Answer 26

water

Question 27

sebaceous

Answer 27

oily

Question 28

apocrine glands

Answer 28

axillary (armpits) and genital regions

Question 29

pacinian corpuscles found

Answer 29

reticular layer / respond to vibration

Question 30

basal cell carcinoma

Answer 30

most common of all cancers in the US

basal cells of the stratum basale

Question 31

squamous cell cacinoma

Answer 31

second most common

Question 32

melanoma

Answer 32

least common, most deadly,

Question 33

ABCDE

Answer 33

asymmetry, borders, color, diameter, evolving

Question 34

skin injury

Answer 34

first step blood clot, second is formation of connective tissue via fibroblasts