Primary Lesions

Question 1

Alteration in skin color < 1 cm

Answer 1

Macule

Question 2

Alteration in skin color > 1 cm

Answer 2

Patch

Question 3

Solid elevation < 1 cm

Answer 3

Papule

Question 4

Solid elevation > 1 cm

Answer 4

Nodule

Question 5

Solid elevation many cm in size

Answer 5

Tumor

Question 6

Elevated flat lesion > 1 cm

Answer 6

Plaque

Question 7

Elevated and transient

Answer 7

Wheal

Question 8

Fluid-filled elevation < 1 cm

Answer 8

Vesicle

Question 9

Fluid-filled elevation > 1 cm

Answer 9

Bulla

Question 10

Pus-filled elevation < 1 cm

Answer 10

Pustule

Question 11

Thinning and induration

Answer 11

Atrophy & Sclerosis

Question 12

A scratch

Answer 12

Excoriation

Question 13

Thickening with increased skin markings

Answer 13

Lichenification

Question 14

Loss of epidermis

Answer 14

Erosion

Question 15

Loss of tissue extending into the dermis

Answer 15

Ulceration

Question 16

Congealed serum, blood, or pus

Answer 16

Crust

Question 17

Hemorrhagic crust

Answer 17

Eschar

Question 18

follicular lesion intrinsic to acne

Answer 18

Comedone

Question 19

linear papule suggestive of scabies

Answer 19

Burrow

Question 20

Lesion Attributes - Color: blanchable redness

Answer 20

Erythema

Question 21

Lesion Attributes - Color: red/purple, non-blanchable, < 5 mm

Answer 21

Petechia

Question 22

Lesion Attributes - Color: red/purple, non-blanchable, 5-10 mm

Answer 22

Purpura

Question 23

Lesion Attributes - Color: red/purple, non-blanchable, > 10mm

Answer 23

Ecchymoses

Question 24

Types of Scale: Silver/white, flaky

Answer 24

Psoriasiform

Question 25

Types of Scale: Shiny, firm, adherent

Answer 25

Lichenoid

Question 26

Types of Scale: Fine, powdery

Answer 26

Pityriasis-type

Question 27

Types of Scale: Epithelial disruption (e.g. fissuring, crusting) & Poor demarcation

Answer 27

Eczematous

Question 28

What organism/virus has this shape: Annular

Answer 28

tinea faceii

Question 29

What organism/virus has this Shape: Serpiginous

Answer 29

larva migrans

Question 30

What is the etiology of a skin marking with this shape: Linear

Answer 30

contact dermatitis

Question 31

What organism/virus has this arrangement: Linear

Answer 31

lichen striatus

Question 32

What organism/virus has this anatomic distribution of lesion: Intertriginous

Answer 32

erythrasma

Question 33

What organism/virus has this anatomic distribution of lesion: Dermatomal

Answer 33

herpes zoster