Intro Flashcards

1
Q

outer most portion of the skin made up of stratified squamous epithelium

A

epidermis

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2
Q

what 3 types of cells does the epidermis contain?

A

melanocytes
langerhans cells
merkel cells

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3
Q

immune system cells

A

langerhans cells

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4
Q

mechanoreceptors

A

merkel cells

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5
Q

layer under the epidermis that consists of connective tissues

A

dermis

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6
Q

layer of the skin that contains nerves, sweat glands, oil glands, hair follicles, an vasculature

A

dermis

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7
Q

in creating a list of differential diagnoses, what do we want to focus on? (4)

A

most likely
most deadly
most common
zebras

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8
Q

directly caused by the disorder, results from previously normal skin

A

primary lesion

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9
Q

skin changes due to primary lesion, indirectly caused by the disorder

A

secondary lesion

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10
Q

what is a secondary lesion usually created by?

A

scratching or chronic inflammation

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11
Q

flat, non-palpable primary lesion that is 1cm or less

A

macule

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12
Q

flat, non-palpable primary lesion that is larger than 1 cm

A

patch

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13
Q

elevated, solid primary lesion that is 1cm or less

A

papule

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14
Q

elevated, solid primary lesion that is larger than 1cm

A

plaque

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15
Q

elevated, solid, deep into dermal tissues, greater than 2cm

A

nodule

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16
Q

irregular, edematous papule or plaque

A

wheal

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17
Q

primary lesion that is filled with fluid or blood and is less than 1 cm (can be thought of as a small blister)

A

vesicle

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18
Q

primary lesion that is filled with fluid or blood and is larger than 1 cm (can be thought of as a big blister)

A

bullae

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19
Q

primary lesion that is pus filled and is 1cm or less

A

pustule

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20
Q

primary lesion that is filled with keratin, oils, adipose, fats and is larger than 1 cm

A

cyst

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21
Q

primary lesion that is an infected cyst

A

abscess

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22
Q

secondary lesion that is loss of superficial epidermis

23
Q

what is an example of an erosion?

A

sunburn that is peeling

24
Q

secondary lesion that presents with a defect in epidermis and dermis due to loss of tissue

25
secondary lesion that is a linear, sharply defined, deep crack into the dermis of the skin (dry)
fissure
26
secondary lesion that is a loss of dermis and subcutaneous tissue while the outermost layer of the epidermis stays intact
atrophy
27
secondary lesion that is linear or punctate, superficial, erosions in the skin caused by fingernails or sharp objects
excoriation
28
secondary lesion that is buildup of yellow, brown, black, or green surface deposits caused by serum, pus, or blood.
crust
29
secondary lesion that is loose or adherent flakes of outermost stratum corneum cells - gives a silver-ish or white coloration
scale
30
secondary lesion that is thickening of the epidermis with accentuation of skin markings
lichenification
31
secondary lesion that is a black, hard crust resulting from tissue necrosis of the epidermis or dermis
eschar
32
secondary lesion that is a depressed or elevated proliferation of connective tissue that has replaced inflamed or traumatized skin
scar
33
describes the definition of the lesion's border (how well defined is it? is there a clear border?)
demarcation
34
what color will a patient in the fitzpatrick skin phototype of I-II, have with erythematous changes?
red or pink
35
what color will a patient in the fitzpatrick skin phototype of IV-VI, have with erythematous changes? (2)
reddened hyperpigmented
36
reddened color to the skin likely to be from inflammation or infection (blanching with pressure)
erythema
37
redness due to extravasation of blood from cutaneous vessels into skin or mucous membranes; does not blanch with pressure
purpura
38
small, pinpoint purpuric macules
petechiae
39
what serious conditions can purpura represent? (2)
hemolytic vasculitis
40
ring shaped with variation in appearance between the center and periphery of the lesion called "central clearing"
annular
41
arc or bow shaped, may be a portion of a annular lesion looks like a half circle
arcuate
42
target-like with at least 3 distinct zones: central disk, peripheral pale ring, and erythematous halo
targetoid
43
central indentation; looks like it has an umbilicus
umbilicated
44
lesions are separated from one another
discrete
45
lesions are clustered next to each other
grouped
46
small lesions combined to create larger affected area
confluent
47
lesions isolated to area(s) of the body
localized
48
lesions dispersed everywhere
generalized
49
lesions distributed along a dermatome
dermatomal
50
thin straight line of lesions
linear
51
wave or snake-like lesions
serpiginous
52
lace or net-like lesions
reticular
53
uniform distribution on both sides of the body
symmetrical
54
lesions localized in areas of sunlight exposure
photo-distributed