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18 Cards in this Set
- Front
- Back
functions of the integumentary system
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~protection for body's inner organs
~helps regulate body temp |
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skin
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~first line of defense
~3 layers: epidermis, dermis, subcutaneous |
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epidermis
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~outer layer
~contains keratinocytes, melanocytes ~protective barrier against environment |
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dermis
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~middle layer
~supports epidermis ~contains nerves/blood vessels ~hair, nails, sebaceous glands, eccrine sweat glands, aprocine sweat glands |
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subcutaneous
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~third layer
~loose connective tissue filled w/fatty cells ~provides heat, insulation, shock absorption, nutritional reservoir |
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hair
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~provides protection/coverage (except palms, lips, soles of feet, nipples, penis, labia)
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nails
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~protect tips of fingers and toes
~composed of dead cells filled w/keratin |
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~sebaceous glands
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~oil glands
~lubricate hair and epidermis ~stimulated by sex hormones |
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~eccrine sweat glands
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~regulate body temp through water secretion
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~aprocrine sweat glands
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~located in axilla, nipple, anal, pubic areas
~secrete odorless fluid |
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blood chemistry test
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~analyze a blood sample for K, Na, Ca, phosphorus, ketones, glucose, osmolality, chloride, body urea nitrogen, creatinine
~NPO before ~check 4 bleeding |
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hematologic studies
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~analyze a blood sample for RBC, WBC, ESR, platelets, HGB, HCT
~check 4 bleeding |
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coagulation studies
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~analyze a blood sample for PT, INR, PTT
~doc meds ~check 4 bleeding |
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skin biopsy
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~circular punch instrument to remove a small amt of skin tissue for histologic eval
~informed consent ~check 4 bleeding/infection |
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skin testing
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~use of a patch, scratch, or intradermal injection 2 admins an allergen 2 skin's surface/dermis
~keep test area dry ~doc site, date, time ~inspect 4 erythema, papules, vesicles, edema, induration |
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skin scraping
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~scraping a small sample of skin, nail, or hair for eval
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skin study
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~microscopic exam of skin that includes a Gram stain, C&S, cytology, immunofluorescence technique
~doc antibiotic therapy |
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wood's light test
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~UV light to directly exam skin
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