Skin Rashes Review Practice Exam 2024.

Skin Rashes Review Practice Exam 2024. Exanthem - correct answer Rash involving SKIN with MANY POTENTIAL CAUSES such as bacterial infection, viral infection or a noninfectious inflammatory condition. It results from a SYSTEMIC viral infection. - exa- for outside- skin Enanthem - correct answer Rash involving MUCOUS membranes It's a rash INSIDE. - ena- for inside- mucous membrane Erythema - correct answer Blanchable pink to RED COLOR of skin or mucous membranes that is due to dilation of arteries and veins in the papillary and reticular dermis Macule - correct answer Macule means 'spot.' Flat area of skin of different color from surrounding skin Papule - correct answer Papule is a 'BUMP.' Solid, elevated lesion 0.5 cm in size projects above the plane of the surrounding skin Pustule - correct answer A circumscribed, RAISED CAVITY in the EPIDERMIS or infundibulum containing PUS "a bump with pus" Petechiae - correct answer Small, pinpoint purpuric macules i.e. small red or purple spots on the skin caused by minor hemorrhage Vesicular - correct answer FLUID-FILLED cavity or elevation smaller than or equal to 0.5 cm (bullae are the same thing, but greater than 0.5 cm) - vesicular- think vesicle filled with fluid!! Purpura - correct answer Reddish-purple lesions arising from extravasation of red blood cells from cutaneous vessels into skin or mucous membranes - like petichiae but bigger! Ulcerated - correct answer Epidermis and at least the upper (papillary) dermis have been DESTROYED. An ulcer can be characterized by its borders (jagged, rolled, angular, etc), base (clean, necrotic, ragged), discharge (purulent, granular, or malodorous), and features of surrounding skin (red, purple, pigmented, infarcted, sclerotic, etc)