16.2 Signs, Sx, Abnormal Conditions Flashcards
Alopecia
the absence of hair where it normally grows
Ecchymosis
blue-black marks on the skin
Petechia
small pinpoint hemorrhage
Urticaria
an acute allergic reaction with red, round wheals on the skin
Acne
papular and pustular eruption of skin with increased production of sebum
Burns
injury to tissue due to heat, chemical, electric shock, lightning, or radiation. Second degree burn (left) and third degree burn (right).
Cellulitis
a diffuse acute infection of the skin
Eczema (atopic dermatitis)
inflammation of the skin with erythematous and papulovesicular lesions caused by allergy
Exanthematous viral diseases
a rash due to virus (for example, rubella)
Gangrene
the death of tissue with loss of blood supply
Impetigo
contagious pyoderma caused by staph or strep
Psoriasis
chronic recurrent dermatosis with silver gray scales that itch
Scabies
parasitic (tiny mites) and infectious pruritus
Scleroderma
chronic and progressive disease of the skin with hardening of connective tissue
Systemic lupus erythematosus (SLE):
an inflammatory disease of collagen in the skin, joints, and internal organs
Urticaria (hives):
an acute allergic reaction in which red, round wheals develop on the skin
Tinea
infection of the skin caused by a fungus
Vitiligo
loss of pigment in areas of the skin