Test Bank for Gero: Toward Healthy
Aging chapter 13 Skin 11th Edition by
Theris A. Touhy
Functions of skin - ANSProtect underlying structures
Regulate body temperature
Sensory input
Stores fat
Metabolism of salt and water
Gas exchange
Production of vitamin D
Xerosis - ANSExtremely dry, cracked, and itchy skin
Most common skin problem associated with aging
Caused by decrease in epidermal filaggrin
Pruritis - ANSItchy skin
Aggravated by perfumed detergents, fabric softeners, heat, sweating, restrictive clothing,
fatigue, exercise, and medications
result from systemic disease such as chronic renal failure, biliary, or hepatic disease
Purpura - ANSFragility of dermal capillaries secondary to dermal thinning causing blood vessels
to rupture
Skin Tears - ANSOccurs because skin is thin and fragile
Painful, acute, accidental in nature
Seborrheic Keratosis - ANSBenign growth
Mainly see on trunk, face, scalp, and neck
Waxy, raised, stuck-on appearance
Flesh colored or pigmented, various sizes
Actinic Keratosis - ANSPrecancerous
Related to exposure to UV light
Risk: increased age, fair complexion
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