NSG 302 Assessment Exam 3 Review Health Promotion & Assessment, With well drawn and Explained Diagrams,100 % Gauranteed SATISFACTION

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NSG 302 Assessment Exam 3 Review Health Promotion & Assessment, With well drawn and Explained Diagrams,100 % Gauranteed SATISFACTION Chapter 12 – Skin, Hair and Nails Structure and Function o Bod... y’s largest organ system o Covers 20 square feet of surface area in adults o Skin has three layers: o Epidermis: outer highly differentiated layer  Basal cell layer forms new skin cells every 30 days  Outer horny cell layer of dead keratinized cells  Derivation of skin color o Dermis: inner supportive layer  Connective tissue or collagen  Elastic tissue o Beneath these layers is a subcutaneous layer of adipose tissue o Epidermal Appendages o Structures formed by tubular invagination of epidermis down into underlying dermis  Hair: threads of keratin  Sebaceous Glands: secrete sebum  Sweat Glands: important for fluid balance and thermoregulation; eccrine and apocrine glands  Nails: hard plates of keratin o Skin is waterproof, protective, and adaptive o Protection from environment o Prevents penetration o Perception o Temperature regulation o Identification o Communication o Wound repair o Absorption and excretion o Production of vitamin D Subjective Data o Health History Questions o Past history of skin disease, allergies, hives, psoriasis, or eczema? o Change in pigmentation or color? o Change in mole size, shape, color, tenderness? o Excessive dryness or moisture? o Pruritus or skin itching? [Show More]

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