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8.2 part 1
| Question | Answer |
|---|---|
| transdermal penetration | process of absorption into the skin; the thicker the stratum corneum, the greater the resistance to product penetration |
| six factors affecting skin absorption | condition of the stratum corneum hydration level oiliness of the skin= size of the product's molecules- larger molecule= slower penetration temperature of the skin- higher temperature= slower the penetration pore size- larger pore=faster penetratio |
| absorption process | |
| atopic dermatitis | hereditary or inflammation rash characterized by dry, sensitive, irritated skin; can progress throughout a lifetime |
| contact dermatitis | allergic or non-allergic rash, caused by contact w/ an external substance; characterized by a red, itchy, irritated eruption in specific area of contact w/ a substance |
| dermatitis | common skin rash w/ redness and scaly, pinkish-yellow patches that have an oily appearance; form of eczema; usually affects the scalp; treatments include special shampoos; steroid cremes |
| psoriasis | non-contagious inherited condition that produces an excess of thick, scaly silvery skin patches surrounded by red area |
| eczema | characterized by dry or moist lesions, an eruption of small vesicles and watery discharge; non-contagious; maybe chronic or acute seborrheic dermatitis is form of eczema |
| hives (urticaria) | allergic reaction that produce an eruption of wheals (rashes triggered by release of histamines in body |
| macule (primary lesions) | discoloration on the skin's surface; a large freckle is an example |
| wheal (primary lesions) | solid formation above the skin, often caused by insect bites or an allergic reaction |
| papule (primary lesions) | small elevation of the skin, usually inflammatory, that does not contain pus |
| pustule (primary lesions) | small inflamed elevation, next step in progression from papules, filled with bacterial fluids and pus |
| vesicle (primary lesions) | a fluid-filled elevation in the skin caused by localized of accumulation of fluids or blood just below the epidermis; also known as blister |
| nodule (primary lesions) | a solid mass within the skin; may be soft or hard, fixed or freely moving |
| cyst (primary lesions) | abnormal membranous sac containing a gaseous, liquid or semi-solid substance |
| crust (type of secondary lesions) | dried mass that is the remain of an oozing sore; e.g., scab or sore |
| excoriation (type of secondary lesions) | mechanical abrasion of the epidermis; appears bright to dark red because of dried blood, and occurs when insect bites, scabs or acne breakouts are scratched |
| scale (type of secondary lesions) | shredding of dead skin cells of the uppermost layer of the epidermis |
| scar (cicatrix) (type of secondary lesions) | formation resulting from a lesion, which extends into the dermis or deeper, and is part of the normal healing process |
| fissue (type of secondary lesions) | crack or line in the skin that may penetrate as deep as the dermis |
| ulcer | an open lesion visible on the surface of the skin that may result in the loss of portions of the dermis/ may be accompanied by pus; skin care service may not be performed |
| primary lesions | changes in the structure of the skin during the early stages of change and development |
| secondary lesions | skin lesions that appear as a conditions or disease progresses and require treatment by physician |
Created by:
dayanacorona