chapter 7

Question 1

epidermis

Answer 1

outer layer of skin

Question 2

dermis

Answer 2

inner layer of skin

Question 3

epidermis is made up of what

Answer 3

the surface is dead skin cells and keratin there are not blood cells

Question 4

C,L,G,S,B

Answer 4

cranluium, lucidierm, grnaulson, spinuliosm, basal

Question 5

stratum spinosum

Answer 5

second deepest and thickest layer, contains more keratin, keratin filaments cause the cells to flatten

Question 6

stratum granulosum

Answer 6

there is 3-5 layers of granule/vessicle containing keratinocytes which means the smallest cells with neurons, cells are dying

Question 7

epidermal water barrier

Answer 7

formed by the stratum granulosum and it water proofs skin, prevents dehydration, and cells above this layer die because they are cut off from nutrients

Question 8

stratum lucidum

Answer 8

thin translucent zone, only in thick skin, no nuclei or organelles, cels filled with eleidin (clear protein)

Question 9

Hemoglobin

Answer 9

red blood cells

Question 10

carotene

Answer 10

carrot- the yellow pigment of the skin from the stratum corenum and fat

Question 11

cyanosis

Answer 11

abnormal bluish discoloration of the skin

Question 12

erythema

Answer 12

abnormal redness of the skin

Question 13

hematoma

Answer 13

abnormal bruise

Question 14

hemanglomas

Answer 14

birthmarks- discolored skin cause by benign tumors of the dermal capillaries

Question 15

freckles

Answer 15

flat melanized patches that vary with heredity and exposure to the sun

Question 16

moles

Answer 16

elevated above surface

Question 17

friction ridges

Answer 17

oily fingerprints on touched surfaces

Question 18

flexion creases

Answer 18

form after birth by repeated closing of the hand

Question 19

flexion lines

Answer 19

form in wrist and elbow areas

Question 20

functions of skin

Answer 20

protect, vitamin synthesis

Question 21

Vitamin D Synthesis (Skin function)

Answer 21

regulates blood calcium and phosphate levels

Question 22

cutaneous absorption (skin function)

Answer 22

1-2% oxygen and absorption diffusion through skin

Question 23

root

Answer 23

below the skin

Question 24

follicle

Answer 24

where the hair grows

Question 25

bulb

Answer 25

base of the hair

Question 26

vascular tissue

Answer 26

provides nutrients, texture and shape of hair

Question 27

straight hair is

Answer 27

round

Question 28

wavy hair

Answer 28

oval

Question 29

kinky hair

Answer 29

straight

Question 30

Hirsutism

Answer 30

excessive hair growth over the body in woman or children

Question 31

merocrine

Answer 31

normal sweat glands salt and water come out

Question 32

apocrine glands

Answer 32

Sweat glands in the pubic and underarm areas that secrete thicker sweat with protein, that produce odor when come in contact with bacteria on the skin

Question 33

holocrine glands

Answer 33

oil glands that release entire cells(ruptures)

Question 34

sebaceous glands

Answer 34

secrete sebum (oil) into the hair follicles prevents dry hair and skin

Question 35

ceruminous glands

Answer 35

produce ear wzx

Question 36

Psoriasis

Answer 36

a common skin disorder characterized by flare-ups of red papules over the irritated skin, genetic, non contagious (Plaque is most common)

Question 37

basal cell carcinoma

Answer 37

Most common and least severe type of skin cancer; arises from cells of stratum basal and invades dermis

Question 38

squamous cell carcinoma

Answer 38

Type of skin cancer more serious than basal cell carcinoma; arises from keratinocytes in the strontium spinous and can go to lymph nodes if not treated( it can be deadly not likely tho)