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A&P I chapter 3 > skin > Flashcards

skin Flashcards

1
Q

components of the integumentary system

A 
skin
hair
nails
sweat and oil glands
sensory receptors
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2
Q

1st layer of the skin, made up of 5 layers, the part of the skin that we can touch.

A

epidermis

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3
Q

sweat glands, pores, hairs all pass throught this layer

A

epidermis

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4
Q

this layer is a vascular

A

epidermis

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5
Q

attached to every hair follicle is a _________duct

A

oil

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6
Q

this duct empties into the hair follicle and makes the hair softer and skin softer

A

oil duct

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7
Q

what is the name of the muscle that causes a goose bump

A

erector peli muscle

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8
Q

what is the name of the finger prints

A

dermal papillae

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9
Q

the area below the epidermis that is thicker and made of CONNECTIVE tissue

A

dermis layer

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10
Q

the layer that is made of areolar and adipose tissue

A

subcutaneous layer

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11
Q

list the functions of the skin

A 
regulates body temperature
protection
detects subcutaneous sensation
excretion and absorption
synthesis of vitamin D
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12
Q

junction of the epidermis and dermis that senses light touch

A

miciners corpusles

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13
Q

found at the base of the dermis

A

pacsinian corpusles

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14
Q

how does the skin regulate body tempurature

A

through sweat
erector peli muscles
blood vessels constrict

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15
Q

how does the skin protect

A

it is a barrier to biological pathogens
sweat creates an acid mantle
physical barrier to protect the muscles, bones form drying out (desiccation)
protects us from chemicals
detects cutaneous sensation
excretion and absorption( excretes sweat, absorbs medications
synthesis of sunlight

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16
Q

the epidermis layer produces keratin that serves to water proof

A

keratinocytes

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17
Q

yellow to black coloration of the skin that protects the nucleus from UV radiation

A

melanocytes

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18
Q

these cells recognize invading organisms

A

langerhans cells

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19
Q

found deep in the epidermis

A

merkel cells

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20
Q

1 cell layer thick only mitotic layer. they have engulfed the melanocytes and merkel cells

A

stratum basale 1st layer of the epidermis

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21
Q

many layers thick 8-10 layers of keratinocytes

A

stratum spinosum 2nd layer of the epidermis

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22
Q

flatter more keratinized, 3-5 layers thick

A

stratum granulosum 3rd layer of the epidermis

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23
Q

only appears in thick hairless areas like palms and soles

A

stratum lucidum

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24
Q

completely keratonized sloughing off a nucleated replaced by the layers below.

A

stratum corneum

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25
Q

what feeds and removes waste from the stratum basale area

A

the dermis

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26
Q

this area lies directly below epidermis and is highly vascular. it contains collagen and elastic fibers

A

the dermis

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27
Q

20% of the dermis is the

A

papillary layer

28
Q

dense connective tissue that contains cells, fibers and space

A

the reticular layer

29
Q

contained in the reticular layer are the

A

sebacious glands, suderifurous glands and the hair follicles

30
Q

sebacious glands excreate

A

sebum

31
Q

suderiferous glands excreate

A

sweat

32
Q

this gives skin and hair a color, freckels and age spots

A

melanin

33
Q

this gives skin a yellow or orange color

A

carotene

34
Q

this gives skin a rosey glow

A

hemoglobin

35
Q

this is when the skin is without pigmentation

A

albinism

36
Q

this is when the skin has patches of white

A

vitiligo

37
Q

skin has a blue color

A

cyanosis

38
Q

the skin has a yellow color

A

jaundice

39
Q

this skin has a reddish color

A

erythema

40
Q

when skin is a white/gray color

A

pallor

41
Q

the area of active hair growth and dividing cells

A

the matrix

42
Q

baldness

A

alopecia

43
Q

excessive hair growth

A

hirsutism

44
Q

hair covering the fetus

A

lanugo

45
Q

hairs of the eyebrows, eyelashes and scalp that replace the lanugo

A

terminal hair

46
Q

peach fuzz hairs that are barely visiable

A

vellus hairs

47
Q

white hair is the presence of ___________in the shaft

A

air

48
Q

the progressive decline of melanin in the hair creates ________hair

A

grey

49
Q

suderiferous glands that are most numerous and made of water, salts, waste, glucose and lactic acid

A

eccrine

50
Q

suderiferous glands that are anogenital and contain lipids, proteins

A

appocrine

51
Q

this attaches to each hair follicle and keep the hair supple

A

sebaceous glands

52
Q

ear wax is a form of wax released from

A

sebaceous gland

53
Q

the area of growth of the nail

A

matrix

54
Q

the visable portion of the nail

A

body

55
Q

the area that hangs over the nail

A

free edge

56
Q

the area burried under the fold of skin of the nail

A

nail root

57
Q

the half moon of the nail

A

lunula

58
Q

the nail bed

A

hyponychium

59
Q

the cuticle ( lateral and proximal nail fold)

A

eponichium

60
Q

when the epidermis is affected, red and burned this is never critical

A

1st degree

61
Q

when the epidermis and the dermis is affected, red and blistered, loss of fluid, critical if greater than 25% or more is burned

A

2nd degree

62
Q

entire epidermis and the dermis affected. skin can be black and destroy muscle and bone, 10% or more of the body is critical or ANY 3rd degree burn on the hands,face,feet

A

3rd degree

63
Q

when calculating surface area burned, which areas are considered 4.5%

A

front of the head, back of the head, front of the arm, back of the arm ( right and left)

64
Q

when calculating surface area burned, which areas are considered 9%

A

front and back of the legs(right and left)

65
Q

when calculating surface area burned which areas are considered 18%

A

the front and back of the trunk

66
Q

when calculating surface area burned which areas is considered 1%

A

the pubic region

A&P I chapter 3 (1 decks)

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