Which term describes an injury that does not involve a break in the skin?

contusion

Which substance is an anticoagulant that is released in response to injury?

heparin

What type of injury is one in which the superficial layers of skin are scraped or rubbed away?

abrasion

Which term describes the black pigment that determines one's skin color?

melanin

Which condition is an inherited deficiency or absence of pigment in the skin, hair, and eyes?

albinism

Which surgical procedure is also known as a face-lift?

rhytidectomy

Which term, also known as a scab, describes a collection of dried serum and cellular debris?

crust

Which term describes a large, tender, swollen area caused by a staphylococcal infection around hair follicles or sebaceous glands?

furuncle

Which condition involves tissue death that is usually associated with a loss of circulation?

gangrene

Which term describes profuse, but not necessarily excessive, sweating?

diaphoresis

Which cancer of the cells of the epithelium spreads quickly to other body systems?

squamous cell carcinoma

Which structure is a mushroom-like growth from the surface of a mucous membrane?

polyp

Which treatment is the use of chemicals to remove the outer layers of skin to treat acne scarring, fine wrinkling, and keratoses?

chemabrasion

Which condition is commonly known as nail biting?

onychophagia

Which procedure is the removal of dirt, foreign objects, damaged tissue, and cellular debris from a wound?

debridement

Which condition is an infestation with the itch mite?

scabies

Which degree of burn involves damage to the epidermis, corium, and subcutaneous layers?

third-degree

Which medical term describes a large blister that is more than 0.5 cm in diameter?

bulla

Which term describes excessively dry skin?

xeroderma

Which condition is characterized by flare-ups in which red papules covered with silvery scales occur on the elbows, knees, scalp, back, or buttocks?

psoriasis