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laser hair removal > laser hair removal > Flashcards

laser hair removal Flashcards

1
Q

temporary methods of hair removal

A

epilation (removal of hair at the root) and depalation (removal of hair at the surface of the skin)

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2
Q

permanant methods of hair removal

A

laser and electrolosis

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3
Q

Functions

A

protection,sensation,heat regulation,excretion,secretion,absobtion, immunity,matabolism

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4
Q

what are the 5 types of sensation

A

heat,cold,touch,pressure,pain

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5
Q

normal apearances of the skin

A

slightly moist, soft, flexible, and have a slight reaction to acidic substances

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6
Q

what are the 3 types of skin appendages

A

fingernails toenails, hair, glands

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7
Q

what are the 3 layers of skin

A

epedermis, dermis, hypodermis

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8
Q

what is the thickness of the epidermis

A

0.5-1.5mm

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9
Q

the epidermis is

A

the outer most layer of the skin

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10
Q

what layer contains the most active cells which undergo mitosis

A

the basal layer

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11
Q

the epidermis has no blood vessels but does have

A

many small nerve endings

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12
Q

what are the 5 types of stratum layers

A

corneum, lucidum, granulosum, spinosum, basal layer

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13
Q

the basal layer is composed of

A

a single layer of active living cells that are constanly dividing

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14
Q

what is the cell turnover time

A

26-28 days

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15
Q

the basal layer also contains pigment producing cells and are called what ?

A

melanocytes

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16
Q

melanocytes are found at what depth

A

1-2 mm

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17
Q

melanocytes produce a brown to dark brown pigment called

A

melanin

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18
Q

melanin gives colour to the skin and hair and protects what ?

A

the tissue below from the excessive effects on the suns ultra violet rays

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19
Q

what is the next layer after epidermis

A

the dermis

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20
Q

how thick is the dermis

A

1.5-4mm

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21
Q

what layer contains these structures blood vessels, lymph vessels, nerves, sweat glands, oil glands, hair follicles, the arrector pilli muscle, and the hair papilla

A

dermis

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22
Q

the dermis consist of two layers

A

papillary and reticular

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23
Q

what are found in the papillary layer

A

melanocytes

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24
Q

what is the subcutaneous layer and is the andipose (fat) tissue beneath the surface

A

hypodermis

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25
Q

what is the hypodermis main function

A

provide energy and excess fat is stored in this level. it also acts as a protective cushion for the outer skin and the organs beneath and give smoothness and contour the body

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26
Q

the blood and lymph rich in nutrients supply what ?

A

nurishment to the skin

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27
Q

the main skin types are classified according to their lipid levels which is

A

normal and high

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28
Q

what are the main characteristic of normal skin including lipid levels

A

lipid levels are normal, hydration level is normal, the pores are visible comodones of a medium may be present usuall in tzone, skin keracterization is normal

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29
Q

what is the definition of oily skin

A

over secretion of sebm and is prone to acne breakouts

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30
Q

main characteristics of oily skin including lipid levels

A

lipid levels is high many comadones and keratinization levels is high

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31
Q

main characteristics of dry skin

A

lipid levels are low, small to invisible pores, becomes dehydrated more easily ad flaking can occur eith extreme dryness

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31
Q

main characteristics of dry skin

A

lipid levels are low, small to invisible pores, becomes dehydrated more easily ad flaking can occur eith extreme dryness

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32
Q

normal to oily skin always has what ?

A

the most seabaceous secrettions inthe tzone

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33
Q

what are the 4 main skin types

A

acneic skin, dehydrated skin, sensitive, and aging skin. (mature)

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34
Q

infection is caused by what ?

A

bacteria

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35
Q

acniec skin is a disorder of the sebaceous glands in which the glands become what ?

A

over active and secrete excess sebum

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36
Q

what are 4 main characteristics of acneic skin

A

comadomes, papules, pustules, cysts

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37
Q

what needs to be present for infection in acneic skin to occur

A

oils and bacteria

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38
Q

what condition is characterized by lack of moisture/water in the skin

A

dehydration

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39
Q

what is the technical name for dehydration

A

transepidermal water loss

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40
Q

what are the two types of dehydration

A

superficial in the epedermis and deep in the dermis

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41
Q

sensitive skin couperose skin and rosacea are all related to what ?

A

blood circulation at the surface of the skin

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42
Q

what stimulates and dialates the blood vessels in couperous skin?

A

extreme heat and cold temperatures, alcohol, and spicy food and ultraviolet rays

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43
Q

small dialated cappilaries beneath the surface of skin, blushing or flushing, warmth to the touch, most noticable through fair thin or thansparent skin.

A

couperous skin and rosacea

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44
Q

rosacea skin is a vascular disorder and a secondarily a disorder of the seabaceous glands. what is the potential causes ?

A

horomones bacteria or yeast infections

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45
Q

how reactive is the skin of someone with rosacea?

A

very reactive

46
Q

what are 4 main characteristist of rosacea

A

excess sebum, butterfly pattern, dialated cappilaries, blushing or flushing, warm to the touch.

47
Q

what other name is used for aging skin

A

mature

48
Q

what skin type slows the cell renewal, the loss if moisture in the dermis layer and the collapse of the collagen and elastin network which no longer provides strength support and elasticity

A

aging skin

49
Q

what are the main characteristics of aging skin

A

loss of skin firmness, loss of muscle tone, lack of skin tone, wrinkles and fine lines

50
Q

what is the medical term for skin inflammation that causes itching

A

pruritus

51
Q

what is the medical term for redness of the skin

A

erythema

52
Q

what is the mecial term for swelling

A

edema

53
Q

what is the golden rule ?

A

do not work on anyone that has infammation (erythema), edema, pain, heat.

54
Q

what is the definition of a lesion ?

A

a structural change in the skin due to injury or disease

55
Q

what disease is communicable by contact

A

contageous disease

56
Q

what disease is caused by disease producing bacteria such as strepococcus both pus forming bacteria

A

pathogenic disease

57
Q

what disease is characterized by redness pain swelling and heat over the affective area

A

inflammation

58
Q

what disease has a reaction or sensitivity to something normally harmless contact with cosmetics medicines tints and foods will cause itching accompanied with redness swelling blisters oozing and/or scaling

A

allergy

59
Q

why do you avoid pulsing on large dark comedones ?

A

oxidized comedomes readily absorb laser beam energy

60
Q

how important is a magnifying lamp

A

very important always necassary

61
Q

what is a chronic inflammation a vascular discorder an a butterfly shape over the cheeks and nose

A

rosacea

62
Q

certain things are knonw to aggrivate rosacea condition including what

A

hot liquids, spicy foods, alcohol, extreme hot and cold temperatures, exposure to the sun, excersize and stress

63
Q

dermititis denotes what to the skin

A

inflammation

64
Q

herpes simplex is what

A

a contageous viral infection

65
Q

where does herpes most commonly appear

A

lips, nostrils, or even parts of the face

66
Q

how long does herpes eruptions usually last

A

one week

67
Q

do you work around herpes lesion when present

A

no

68
Q

if patient is prone to herpes breakouts how many days before and after do they need to take precription of prophylactic from their doctor

A

2-3 days before and after

69
Q

definition of tanning

A

prolonged exposure to the sun

70
Q

what is an abnormal excess pigmentation due to hormonal changes and is called “pregnancy mask”

A

melasma

71
Q

what is an abnormal growth in an area or an organ

A

hypertrophy

72
Q

do you treat or hairs from moles

A

no

73
Q

what is a viral infection of the epidermis that can spreak from one person to the other with a cauliflower type of surface ?

A

verruca (wart)

74
Q

what 3 things can be used to treat a wart

A

electrotherapy cryotherapy or topical medication

75
Q

skin tags usually appear in the where their is friction heat and moisture what areas would that be ?

A

neck, underarms, groin, and eyelids

76
Q

what is essential for good healing

A

good blood circulation

77
Q

what are the nutrients needed for the skin cells

A

oxygen, vitamins, minerals, protiens, sugars, fats, gases, water, and horomones

78
Q

hair is a karatinized _____ structure so no physiological factors can influence the hairs once they form

A

“dead”

79
Q

keratinized structures are made up of what

A

keratin and hard protien

80
Q

what doesnt affect the skin and hair growth

A

cutting or shaving

81
Q

what 3 parts comprise the pilosebaseous system

A

hair shaft, hair follicle and seabaseous gland

82
Q

vellus hair lacks pigmentation on what skin and has pigmentation on what skin

A

lacks on fair skin and has on darker skin

83
Q

vellus hair develops and grows from a lobe of sebaseous gland. does vellus hair have a true follicle

A

no

84
Q

vellus hair recieves its nurishments from where

A

the sebaseous gland

85
Q

vellus hair may develope primitive papillae these recieve their nurishment from where

A

adjacent to the sebaceous gland

86
Q

vellus hair develops and grows from the lobe of the sebaceous gland. does it have a true follicle

A

no

87
Q

vellus hair recieves its nurishments from the supply available to what gland

A

the seabaceous gland

88
Q

vellus hair may develop primitive papillae these in turn recieve what from the walls adjacent to the sebaceous gland lobes

A

nurishment

89
Q

vellus hair are simple in structure and have what as terminal hairs do ?

A

3 concentric layers

90
Q

vellus hair

A
91
Q

what are 4 characteristics of terminal hair ?

A

terminal hairs are well developed root and bulb and definite pigmentation

the papilla contains blood supply and other elements essential for the growth of the hair.

it is not part of the follicle rather a seperate organ. they are comprised of 3 concentric layers cuticle cortex and medulla.

they grow from a follicle which can extend down as far as the hypodermis.

92
Q

what are the 3 structures of terminal hair

A

cuticle, cortex, medulla

93
Q

out of the 3 structures of terminal har which one serves to confine and protect the cortex and also gives the hair elasticity

A

cuticle

94
Q

which structure of terminal hair have pigment granules (melanin) which color the hair

A

cortex

95
Q

what is the definition of the hair shaft diameter

A

depth of the hair follicle

96
Q

laser hair removal technician only need the identify the general size and diameter of hair types such as ….

A

fine, medium, medium coarse, coarse, and very coarse

97
Q

the laser technician needs to correctly asses what to determin the proper fluence

A

general size of the hair shaft

98
Q

fluence equals what ?

A

energy

99
Q

finer the hair less or more malan

A

less

100
Q

finer the hair less or more pigmentation

A

less

101
Q

coarser the hair less or more melanin

A

more

102
Q

coarser the hair less or more pigmentation

A

more

103
Q

hair germ cells around the follicle and the dermal papilla are responsible for what

A

the development of new follicles

104
Q

what is the hair follicle or follicle canal definition

A

a downward extension continous with the surface of the epidermis of the skin

105
Q

the space your finger occupies in a ballon represents what?

A

the hair follicle canal and the epidermal cells surounding your finger form the outer root sheath

106
Q

hair follicle matrix cells also produce where?

A

inner root sheath

107
Q

the inner and outer root sheath constitute what

A

the follicle itself

108
Q

the hair follicle matrix produces what

A

the hair shaft and inner sheath

109
Q

the dermal papilla from the dermal cells contain what ?

A

blood vessels necessary to provide nutrients for hair growth

110
Q

the sebaceous gland which enters the hair follicle in the top of the follicle produces sebum that lubricates what

A

hair shaft and surface of the skin

111
Q

what are the 3 distinct layers of the inner root sheath hair root

A

cuticle layer, huxley’s layer, henle’s layer

112
Q

what root sheath does not grow upwards with the hair and remains stationary

A

outer root sheath

laser hair removal (2 decks)

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