Pediatric Dermatology Exam 100% Correct!!

Normal Skin Anatomy - ANSWER-three layers -epidermis: outmost layer is stratum corneum, barriers to irritants/toxins/organisms, holds body fluids. Rest of epidermis makes thi slayer. Melanocytes protect from UV light, Langerhans cells first line of immunologic defense -dermis: consists mostly of fibroblasts and collagen; tough, leathery, mechanical barrier against cuts, bites, bruises; structural support for cutaneous appendages like hair, sebaceous glands, eccrine sweat glands nails -sebaceous glands: produce oil to lubricate skin and add to protective epidermal layer Hair: important for warmth and protection from sunlight and particulate matter -nails: organs of manipulation, protect digits -eccrine sweat glands: help with thermoregulation -sensors for heat, pain, tough, pressure -subcutaneous tissue: fat as stored energy and soft, protective cushion Examination of the Skin Tips - ANSWER-inspect entire surface, including hair, nails, scalp, mucous membranes -Hx: date of onset, inciting factor, evolution of lesions, presence or absence of systemic sx. Recent immunizations, infections, drugs, allergies -distribution (where on body) and pattern (diffuse, flexural, intertriginous) of rash, local organization (scattered, clustered, linear, grouped, serpiginous, confluent, discrete) -morphology of lesions: primary-macules, papules, pustules, wheals, plaques, vesicles, bullae, nodules, tumors; secondary: eropsons, ulcers, crusts, excoriations, fissures, lichenification, atrophy, scars (evolve from 1o rash due to pt manipulation) Anatomic Depth of Lesions - ANSWER If aplasia cutis occurs in multiple areas of the scalp, which genetic disorder should you