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Integumentary System Flashcards

1
Q

Meissner’s Corpuscle

A

Light touch, papillary layer of dermis

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2
Q

Pacinian Corpuscle

A

Deep touch, reticular layer of dermis

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3
Q

Unmyelinated nerve ending in papillary dermis: low intensity stimulation from inflammation causes what symptom?

A

Itching

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4
Q

Unmyelinated nerve ending in papillary dermis: high intensity stimulation from inflammation causes what symptom?

A

Pain

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5
Q

Hair: Anagen

A

Growth phase (2-6yrs) 85%

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6
Q

Hair: Catagen

A

Transition phase (2-3wks) 1%

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7
Q

Hair: Telogen

A

Resting phase (3mos) 14%

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8
Q

Hair: Eumelanin

A

Brown/black

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9
Q

Hair: Pheomelanin

A

Blonde

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10
Q

Hair: Erythromelanin

A

Red

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11
Q

Hair: Absence of melanocytes

A

White

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12
Q

Hair: Loss of melanocytes

A

Gray

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13
Q

Lanula

A

White moon-shaped part of nails

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14
Q

Proximal Matrix

A

Produces dorsal plate (where you see pigment)

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15
Q

Distal Matrix

A

Produces ventral plate

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16
Q

Entire Matrix

A

Contains melanocytes

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17
Q

Tzanck smear

A

Viral test in office

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18
Q

KOH prep

A

Fungal test in office

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19
Q

Confluent

A

Grouped

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20
Q

Discrete

A

Separate

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21
Q

Annular

A

Complete circle

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22
Q

Arculate

A

Partial circle

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23
Q

Polycyclic

A

Several intersecting portions of a circle

24
Q

Serpiginous

A

Wavy, not straight, “snake-like”

25
Guttate
Tear drop shaped
26
Nummular
Coin-like
27
Macule/Patch
Circumscribed alteration in color w/o change in texture, <1cm Primary skin lesion
28
Papule
Small, circumscribed palpable elevation, <1cm | Primary skin lesion
29
Plaque
Broad, circumscribed palpable elevation >1cm | Primary skin lesion
30
Pustule
Visible accumulation of free pus often situated in a pilosebaceous follicle or sweat duct Primary skin lesion
31
Nodule
Large, circumscribed, palpable mass | Primary skin lesion
32
Vesicle
Visible accumulation of fluid within or beneath epidermis Primary skin lesion
33
Scale
Accumulation of excess keratin | Secondary skin lesion
34
Crust
Concretion of dried serum, pus, or purulent exudate or debris Secondary skin lesion
35
Atrophy
Thinning of epidermis or dermis results in a depression of the skin Secondary skin lesion
36
Scar
Dental damage, abnormal collection of CT, thick and pink initially, later fades to white and is atrophic Secondary skin lesion
37
Erosion
Loss of epidermis Secondary skin lesion
38
Ulcer
More or less circumscribed loss of tissue into dermis/fat Secondary skin lesion
39
Excoriation
Scratch which removes the epidermis and results in small ulcer which may have a surmounting crust Secondary skin lesion
40
Fissure
Painful linear cleavage through the epidermis | Secondary skin lesion
41
Erythema
Vasodilation causing a red/pink macule which blanched under pressure
42
Purpura
Extravasation of red cells causing a purple red macule or papule which does not blanche
43
Telangiectasia
Dilated blood vessel
44
Lichenification
Hyperpigmented plaque produced by proliferation of keratinocytes and stratum corneum which results in thickening of the skin and accentuation of skin markings
45
Xanthoma
Yellow red papule, plaque, or nodule formed by lipid deposition in the CT of the dermis and tendons
46
Cyst
Sac containing liquid or semisolid material that feels resilient on palpation
47
Wheal
Hive | Itchy, evanescent white papule or plaque due to transitory dermal edema
48
Comedone
Greasy keratin filled plug wedged into dilated pilosebaceous follicle Open - blackhead Closed - whitehead
49
Fitzpatrick skin type I
Always burns, never tans
50
Fitzpatrick skin type II
Usually burns, sometimes tans
51
Fitzpatrick skin type III
Sometimes burns
52
Fitzpatrick skin type IV
Rarely burns
53
Fitzpatrick skin type V
Very rarely burns
54
Fitzpatrick skin type VI
Never burns, always tans
55
Diagnostic Aids (skin)
- appropriate light - palpation - dermoscopy - culture - biopsy

PDx (1 decks)

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