Chapter 8 Skin Lesions

Question 1

macule

Answer 1

small, flat, circumscribed lesion of different color than the normal skin

Question 2

papule

Answer 2

small, firm, elevated lesion

Question 3

nodule

Answer 3

palpable, elevated lesion; varies in size

Question 4

pustule

Answer 4

elevated, erythematous lesion, usually containing purulent exudate

Question 5

vesicle

Answer 5

elevated, thin-walled lesion containing clear fluid (blister)

Question 6

plaque

Answer 6

large, slightly elevated lesion with flat surface, often topped by scale

Question 7

crust

Answer 7

dry, rough surface or dried exudate or blood

Question 8

lichenification

Answer 8

thick, dry, rough surface (leather-like)

Question 9

keloid

Answer 9

raised, irregular and increasing mass of collagen resulting from excessive scar tissue formation

Question 10

fissure

Answer 10

small, deep, linear crack or tear in skin

Question 11

ulcer

Answer 11

cavity with loss of tissue from the epidermis and dermis, often weeping or bleeding

Question 12

erosion

Answer 12

shallow, moist cavity in the epidermis

Question 13

comedone

Answer 13

mass of sebum, keratin, and debris blocking the opening of a hair follicle