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問題一覧
1
What term refers to the study of the structure and composition of skin tissue
Skin histology
2
not a name that refers to estheticians who specialize in the beauty and health of skin
histologist
3
What is true of a client who has a scar on her arm
that part of the clients arm will never grow hair
4
if a client has lighter skin than her esthetician, this is because
the clients melanocytes produce less melanin than her esthetician
5
how many skin cells are shed per minute?
30,000
6
What is the body’s largest organ
the skin
7
What is the basic material and building blocks for body tissues
proteins
8
What is the characteristic of healthy skin
slightly acidic
9
the human body’s tissues are built from
proteins, which are built by amino acids
10
A clients skin would be considered healthy if it were
smooth
11
what is also known as an oil gland
Sebaceous Gland
12
sebum is
an oil that provides protection for the epidermis and lubricates the skin and the hair
13
what is the meaning of epidermal growth factor
A hormone that stimulates skin cells to reproduce and heal
14
What is water loss caused by evaporation on the skins surface
trans epidermal water loss
15
What protects us from skin irritation and intercellular trans epidermal water loss
barrier function
16
What is the small cone shaped at structures at the bottom of hair follicles called
hair papilla
17
What term is best described as an oil- water balance that protects the skins surface
hydrolipioic film
18
What function of the skin is connected the most closely to stress reduction in babies
sensation
19
If a client is showing signs of skin dehydration, it is likely because that client has damage to the
barrier
20
Evaporation, Perspiration, radiation, and insulation are part of what function of the skin?
heat regulation
21
Vitamin D is synthesized from sunlight as part of the skin function known as
absorption
22
excretion is a function of the skin that involves which glands
the sudoriferous glands
23
someone who is stressed might have an acne breakout because of stimulated
sebaceous glands
24
What part of the skin has the most sensory nerve fibers
the finger tips
25
Insulation is provided by which part of the skin
adipose tissue
26
Nancy is shivering with cold and goose bumps appear on her arms. This is an example of functioning
arrector pili muscles
27
The skin is 50%-70%
water
28
The color is eumelanin
dark brown or black
29
What stimulates melanin production
exposure to sunlight
30
What is the fatty tissue found below the dermis called
the subcutaneous layer
31
What is a protein substance of complex fibers that gives skin it’s strength
collagen
32
What gives skin its elasticity and firmness
elastin
33
_________ is a thin protective layer with many cells, mechanisms, and nerve endings
Epidermis
34
What is a hydrating fluid found in the skin
hyaluronic acid
35
What is the outermost layer of the skin called
epidermis
36
What type of melanin is red and yellow in color
pheomelanin
37
What is the layer of the epidermis composed of cells filled with keratin that resembles granules called
stratum granulosum
38
What is the top layer of the dermis next to the epidermis called
papillary layer
39
What does the subcutaneous layer of the skin do?
a protective cushion and energy storage for the body
40
What is also known as the horny layer
stratum corneum
41
_______ ____________ the locations here cell mitosis takes place
stratum germinativum
42
_________ __ made up of five layers: stratum corneum, stratum lucidum,stratum granulosum, stratum spinosum, and stratum germinativum
epidermis is
43
What is a dead protein cell that is dried out and lacks nuclei
corneocyte
44
what is the enzyme that stimulates melanocytes and produces melanin?
tyrosinase
45
The papillary layer does not contain
lymph vessels
46
________ gives skin firmness
collagen
47
What term is best described as a cell that produces skin pigment granules in the basal layer
melanocyte
48
What percentage of hair is comprised of hard keratin
90%
49
On the human body, all hair
is an appendage of the skin
50
Martha is a young women who with a normal rate of hair growth and hasn’t gotten a haircut for the last 6 months. How much has her hair likely grown?
3 inches
51
What is true of alpha keratin
it is softer than beta keratin
52
Hair and skin both contain
melanin
53
What is the part of the nail structure
the cuticle
54
The ___________ is also part of the nail structure
hyponychium
55
what is the technical term for nails
onyx
56
Poor circulation will cause a purplish tone under your nail. The condition is called
cyanosis
57
Finger nails grow
faster over the summer
58
What are the two types of nerves called
sensory and motor
59
Another name for motor nerves is
efferent nerves
60
What nerves are also known as afferent nerves
sensory nerves
61
What is an example of a motor functioning
goose bumps
62
What is an example of a sensory nerve functioning
reaction to cold
63
What is not a function of a lymph
supplying nutrients to the skin
64
What type of glands secrete oil
sebaceous
65
An apocrine gland is
a colled structure attached to hair follicle in the underarm and genital area that secretes sweat
66
What is the sweat gland found all over the body with openings on the skin’s surface through pores
eccrine gland
67
in a period of high stress, your underarms may smell stronger. This is due to the production of your
apocrine glands
68
What gland makes your palms sweaty
eccrine gland
69
What effect does nicotine have on the body
contraction of the blood vessels
70
What type of ultraviolet radiation is known as burning rays
UVB
71
Where does phytoestrogens come from
plants
72
What term is best described as white blood cell that has enzymes to digest and kill bacterial and parasites
leukocyte
73
What is a cell that attacks virus infected cells, foreign cells, and cancer cells
T- Cells
74
What term is the best described as a condition in which capillaries that have been damaged are now larger, or distended, blood vessels
telangiectasia
75
Microcirculation is _________
the circulation of blood from the heart to the arteroles, to cypillaries to venvies and then back to the heart
76
What are glycolipid materials that are a natural part of skins intercellular matrix and barrier function
cermadies
77
What is stronger and more damaging than UVA rays
UVB radiation
78
_________ alters the protein structures and decrease biological activity
glycation
79
Telangiectasia is __________
a condition in which capillaries have been damaged and are now larger blood vessels
80
What is not true of UVA radiation
UVA is also known as burning rays
81
What is a longer wavelength ranging between 320 and 400 nanometers that penetrates deeper into the skin than UVB
UVA radiation
82
___ _________ is also known as aging rays
UVA Radiation
83
Exfoliation removes and depletes
lipios
84
Which of the following cells are not replaced every six to nine months
Elastin Cells
85
Skin cells have built in antioxidants that help to stem the damage caused by
free radicals
86
What does not protect the skin from the harmful effects of pollution
sun exposure
87
What might be a reaction to the skin that occurs over time due to excessive alcohol drinking
hyperpigmentation
88
As skin ages __________
collagen and elastin levels both decrease