NURS 400: Skin, hair, and nails (With complete solutions)

Macule- correct answers Solely a color change •Flat and circumscribed •Less than 1 cm Examples: freckles, measles Papule correct answers Papule-Something you can feel •Caused by superficial thickening in the epidermis •Less than 1 cm Examples: mole, lichenplanus, Plaque correct answers Papules which merge together Wider than 1cm Examples: psoriasis, lichen planus Patches correct answers are groups of macules that are larger than 1cm Examples: mongolianspot, café au laitspot, port wine stain Wheal correct answers Superficial, raised, transient, slightly irregular due to edema Examples: mosquito bite, allergic reaction, TB Urticaria correct answers (AKA hives) •Wheals coalesce to form extensive reaction •Intensely pruritic (Pur-itic) Nodule correct answers firm papules lesions that extend into the dermis or subcutaneous tissue. Ex: cysts, lipomas, fibromas •Basal Cell Carcinoma correct answers •Most common •Starts as skin colored papule, grows slowly Squamous Cell Carcinoma correct answers •Red, scaly with sharp margins •Equal to, greater than 1 cm Develops central ulcer with erythema, grows rapidly Melanoma correct answers •VERY aggressive •Originates in the melanocytes •Most are brown, black but can be pink, red, purple, blue •Found on skin and eyes •Kills about 1 person per hour!!!!! Crust correct answers Thickened, dried-out exudate left when vesicles/pustules bust or dry up •Color can be red, black, tan, yellow or mixed Examples: impetigo, scab after abrasion