Dermatology Language

Question 1

Skin jobs

Answer 1

Protect against infections
Maintain fluid balance
Vitamin D synthesis

Question 2

Keratinocytes

Answer 2

Building tough skin cells
Secrete keratin

Question 3

Melanocytes

Answer 3

Synthesize melanin

Question 4

Langerhans cells

Answer 4

Dendritic cells

Question 5

Merkel Cells

Answer 5

Have touch sensors
Deeper in epidermis and in dermis

Question 6

Macule

Answer 6

Flat
Less than 1 cm
No elevation or depression
Petechiae

Question 7

Patch

Answer 7

Flat
Greater than 1 cm
No elevation or depression
Vitilligo

Question 8

Plaque

Answer 8

Fat/elevated
Greater than 1 cm
Well circumscribed (clear border)
Psoriasis

Question 9

Papule

Answer 9

Elevated
Solid
Less than 1 cm
Angioma, wart

Question 10

Nodule

Answer 10

Elevated
Solid
Greater than 1 cm
Epidermal inclusion cyst

Question 11

Vesicle

Answer 11

Elevated
Fluid filled
Less than 1 cm
Herpes

Question 12

Bullae

Answer 12

Elevated
Fluid filled
Greater than 1 cm
Bullous pemphigoid

Question 13

Pustule

Answer 13

Elevated
Pus-filled
Less than 1 cm
Acne

Question 14

How to measure lesion

Answer 14

Length x Width x Depth

Question 15

Erythema

Answer 15

Blanchable (color goes away when you push).
Does NOT mean red

Question 16

Purpura

Answer 16

Does not blanch.
Does NOT mean purple

Question 17

Crust

Answer 17

Dried exudate or serum
Impetigo

Question 18

Fissure

Answer 18

Split in skin
Psoriasis

Question 19

Lichenification

Answer 19

Thickening of skin

Question 20

Erosion

Answer 20

Partial loss of epidermis
Scratching or minor injury

Question 21

Ulceration

Answer 21

Full thickness loss of epidermis
Pressure ulcer or pyoderma gangrenosum

Question 22

Excorations

Answer 22

Self inflicted skin lesions from itching

Question 23

Urticaria

Answer 23

Hives

Question 24

Annular

Answer 24

Round ring shaped lesions.
Central clearing
Tinea corporis

Question 25

Nummular

Answer 25

Coin shaped
Well-demarcated
Nummular eczema

Question 26

Telangiectasia

Answer 26

Smalled, widened blood vessels
Rosacea, aging, pregnancy, basal cell cancer

Question 27

Verrucous

Answer 27

Wart-like growth pattern
Verruca vulgaris

Question 28

Extensor surfaces

Answer 28

Outer surface of joint
Psoriasis

Question 29

Flexor surfaces

Answer 29

Inside surface of joint
Atopic dermatitis

Question 30

Generalized/diffused

Answer 30

Takes over whole body
Viral/drug rxn

Question 31

Clustered

Answer 31

Grouped together
Herpes

Question 32

Photo distributed

Answer 32

Present on areas exposed to sun
Sunburn, lupus, dermatomyositis

Question 33

Acral

Answer 33

Effects distal portions of limbs (hands and feet), ears, nose
Acral lentiginous melanoma

Question 34

Seborrheic

Answer 34

Follows oily hair-bearing areas of head and neck.
Seborrheic dermatitis

Question 35

Eczematous

Answer 35

Bullae
Vesicles
Erythema
papules
Scaling
Fissures
Erosions
Lichenification
Phys exam finding of topic dermatitis

Question 36

Type I hypersensitivity rxn

Answer 36

IgE
Basophils releases vasodilators
Asthma, allergies, atopic dermatitis

Question 37

Type II hypersensitivity rxn

Answer 37

IgG or IgM
Cytotoxic
Pemphigus vulgaris
Bullous pemphigoid

Question 38

Type III hypersensitivity

Answer 38

Immune complex mediated.
Neutrophils
Rheumatoid arthritis, Lupus, necrotising vasculitis, glomerulonephritis

Question 39

Type IV hypersensitivity rxn

Answer 39

Cell mediated
TH1 cells activate macrophages or Tc cells.
Delayed
Type I diabetes
TB skin test
NO antibodies
Contact dermatitis
Graft rejections