NKU MSN 610 Module 2 QUESTION AND VERIFIED ANSWERS

NKU MSN 610 Module 2 QUESTION AND VERIFIED ANSWERS Macule - ANSWER A flat circumscribed area that is a change in the color of the skin, < 1 cm in diameter. Examples - freckles, flat moles (nevi), petechiae, measles. Papule - ANSWER An elevated, firm, circumscribed area, < 1 cm in diameter. Examples- wart (verruca), elevated moles, lichen planus. Patch - ANSWER A flat nonpalpable, irregularly shaped macule > 1 cm in diameter. Examples: Vitiligo, port wine stains, hyperpigmented macule, café au lait patch. plaque - ANSWER Elevated, firm, and rough lesion with flat top surface > 1 cm in diameter. Example- Psoriasis, seborrheic, and actinic keratosis. Wheal - ANSWER Elevated, irregular shaped area of cutaneous edema solid transient variable diameter. Example: insect bites urticaria allergic reaction. Nodule - ANSWER Elevated firm circumscribed lesion deeper in dermis than papule 1- 2 cm in diameter. Example- Erythema nodosum , lipoma. Mass - ANSWER Elevated and solid lesion, may or may not be clearly demarcated, deeper in dermis > 2 cm in diameter. Example: Neoplasms, benign tumor, lipoma. Vesicle - ANSWER Elevated circumscribed, superficial, not into dermis, filled with serous fluid, < 1 cm in diameter. Example- Varicella, herpes zoster. Bulla - ANSWER Vesical > 1 cm in diameter Example- Blister, pemphigus vulgaris. pustule - ANSWER Elevated superficial lesion, similar to vesicle but filled with purulent fluid. Example- Impetigo, acne. Cyst - ANSWER Elevated, Circumscribed, encapsulated lesion, in dermis or subcutaneous layer, filled with liquid or semisolid material. Example- Sebaceous cyst, cystic acne. Telangietasia - ANSWER Fine, irregular, red lines produced by capillary dilation. Example- Telangiectasia in rosacea. Scale - ANSWER Heaped up keratinized cells, flaky skin irregular, thick or thin dry or oily variation in size. Example- Flaking of skin with seborrheic dermatitis or after a dog reaction dry skin. Lichenification - ANSWER Rough thickened epidermis secondary to persistent rubbing, itching, or skin irritation, often involves flex surface of extremity. Example- Chronic dermatitis. Keloid - ANSWER Irregularly shaped elevated progressively enlarging scar, grows beyond the boundaries of the wound caused by excessive collagen formation during healing. Example- keloid formation after surgery. Scar - ANSWER Thin to thick fibrous tissue that replaces normal skin after injury or laceration to the dermis. Example- Healed wound or surgical incision. Excoriation - ANSWER Loss of the epidermis linear hollowed out crusted area. Example- Abrasion or scratch scabies. Fissure - ANSWER Linear crack or break from the epidermis to the dermis may be moist or dry. Example- Athlete's foot, cracks at the corner of the mouth. Erosion - ANSWER Loss of part of the epidermis, depressed, moist, glistening, follows rupture of a vesicle or bulla. Example- Varicella, variola after rupture. Ulcer - ANSWER Loss of epidermis and dermis concave varies in size. Example- Decubiti, Stasis ulcers. Crust - ANSWER Dried serum, blood, or purulent exudates, slightly elevated, size varies, brown red black tan or straw colored. Example- scab on abrasion, eczema. Atrophy - ANSWER Thinning of skin surface and loss of skin markings, skin translucent and paper like. Example- striae, aged skin. Faun tail nevus - ANSWER Tuft of hair overlaying the spinal column at birth, usually in the lumbosacral area, may be associated with spina bifida occulta. Epidermal verrucous nevi - ANSWER Warty lesions in a linear or whorled pattern that may be pigmented or skin colored, present at birth or in early childhood, associated most commonly with skeletal central ner