Quiz 1 Flashcards by Emma Hervat

Layers of the epidermis(deep to superficial)

stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum
(big spenders grab loose change)
pg 5

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macule

flat discoloration

pg 9

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papule

elevated dome

pg 9

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plaque

flat-topped elevation

pg 9

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scale

dry, horny, plate-like growth

pg 9

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vesicle

fluid-filled area (<5mm)

pg 9

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wheal

raised area of edema (hive)

pg 9

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acantholysis

loss of keratinocyte adhesion

pg 12

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acanthosis

epidermal hyperplasia

pg 12

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hyperkeratosis

hyperplasia of the stratum corneum

pg 12

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spongiosis

intracellular epidermal edema

pg 12

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4 Acute Inflammatory Dermatoses

1) urticaria
2) acute eczematous dermatitis
3) erythema multiform
4) acne
pg 13

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Condition presenting with red rounded papules that itch

urticaria

pg 15

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Urticaria is a type __ hypersensitivity

type I

pg 15

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What is the common age group affected by urticaria?

20-40 years

pg 16

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Subtype of urticaria presenting with DERMAL edema following excessive complement activation

Hereditary Angioedema

pg 19

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Hereditary Angioedema is caused by what inherited deficiency?

C1 esterase inhibitor

pg 19

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“Proper” term for eczema`

Acute eczematous dermatitis

pg 21

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What type(s) of hypersensitivities are associated with eczema?

type I (allergic)
type IV (delayed)
pg 23

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Most common form of eczema?

allergic contact dermatitis

pg 25

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Allergic contact dermatitis is which type of hypersensitivity?

type IV

pg 24

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Atopic dermatitis is which type of hypersensitivity?

type I

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Type of eczema associated with a genetic risk

atopic dermatitis

pg 26

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Atopic Triad

1) dermatitis
2) asthma
3) rhinitis
pg 26

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Common onset of atopic dermatitis

childhood | pg 26

Condition presenting with "targetoid" skin lesions

erythema multiforme | pg 30

Erythema multiforme is often mistaking for what other condition?

ringworm

Erythema multiforme is a type __ hypersensitivity

type IV | pg 31

Two types of erythema multiforme

1) minor 2) major pg 33

Which type of erythema multiforme typically occurs post infection?

minor | pg 33

Which type of erythema multiforme is life-threatening?

major | pg 33

Special name given to erythema multiforme major when covering <30% of the body

Stevens-Johnson Syndrome | pg 34

Special name given to erythema multiforme major when covering >30% of the body

Toxic Epidermal Necrolysis | pg 34

Common form of acne

``` acne vulgaris (80% pop.) pg 37 ```

When are males more likely to get acne?

adolescence | pg 37

when are females more likely to get acne?

adulthood | pg 37

More severe form of acne

cystic acne | pg 38

When is baby acne most likely to occur?

2 months | pg 40

How common is baby acne?

20% of babies; 1:5 | pg 40

milium

keratin-filled cysts | pg 40

3 Chronic Inflammatory Dermatoses

1) psoriasis 2) lichen planus 3) lichen simplex chronicus pg 42

Autoimmune skin condition with itchy epidermal hyperplasia

psoriasis | pg 44

how common is psoriasis?

2% pop. | pg 44

Describe a psoriasis lesion

well-demarcated, pink-to-salmon colored plaque, covered by a flaky silver-white scale pg 45

Common locations of psoriasis

elbows, knees, scalp, lumbosacral region | pg 45

Common treatments for psoriasis

methotrexate, cyclosporine, phototherapy (UVB) | pg 45

small micro bleeds are the site of psoriasis lesions

Auspitz sign | pg 48

Psoriasis of the nail beds is often mistaken for what?

a fungal infection | pg 48

Psoriasis plaque formation on a site of prior trauma

koebner phenomenon | pg 50

Psoriatic arthritis occurs in __-__% of patients

5-30% | pg 51

Psoriatic arthritis is often described as a ____ deformity

pencil-in-cup | pg 51

Technical term for "sausage digits"

dactylitis | pg 53

dactylitis occurs in __% of psoriasis patients

35% | pg 53

Autoimmune skin condition involving t cells at the dermoepidermal junction

lichen planus | pg 56

Common age group affected by lichen planus

middle-aged adults | pg 57

Most common location of lichen planus

symmetrical on extremities | pg 57

6 P's of lichen planus

1) pruritic (itchy) 2) purple 3) polygonal 4) planar 5) papules 6) plaque pg 57

white mesh pattern associated with lichen planus often found in mouth

Wickham's striae | pg 58

__% of lichen planus patients have oral involvement

70% | pg 58

Condition due to repetitive trauma leading to epidermal hyperplasia & dermal scarring

lichen simplex chronicus | pg 60

Asymptomatic hyperpigmentation of skin

acanthosis nigricans | pg 63

Common locations of acanthosis nigricans

body fold/creases (axillae, groin, neck) | pg 63

Risks associated with acanthosis nigricans

diabetes, obesity, cancer genetics | pg 63

Red rash with honey-colored crust

impetigo | pg 67

Most common cause of impetigo

staph. aureus | pg 67

Deeper bacterial skin infection

dermal abscess | pg 70

common cause of dermal abscess

pseudomonas aeruginosa | pg 70

Quiz 1 Flashcards

(67 cards)