chapter 26 vocab
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| Skin lesion: macule | round, flat area usually distinguishes form its surrounding skin by its change in color. (Freckle) smaller than 1 cm
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| Skin lesion: nodule | elevated solid area, deeper and firmer that a papule. greater than 5mm across
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| Skin lesion: fissure | linear crack form epidermis to dermis (athletes foot, hand dermatitis)
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| Skin lesion: papule | Elevated solid area. 5mm or less
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| Skin lesion: pustule | discrete, pus filled, raised area (acne)
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| Skin lesion: ulcer | a deep loss of skin surface that may extend into the dermis that can bleed periodically and scar (venous stasis ulcer)
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| Skin lesion: vesicle | Fluid-filled raised area (chickenpox)
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| Skin lesion: wheal | Itchy, temporarily elevated area with an irregular shape formed as a result of localized skin edema ( hive, insect bites)
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| What is alopecia? What are some causes? | its hair loss. caused by scaring(chronic inflammation or chemical trauma) or nonscaring brought on by aging and level of androgen
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| What is acne vulgaris, and causes? | inflammatory disease of the follicles of the sebaceous glands mainly affects adolescents. Oily skin
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| What is basal cell carcinoma? Who is it most common in? | slow growing, locally destructive skin tumor
(effects people over 40 with blond hair, blue eyed, and fair skin)
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| What is eczema? What can it be caused by? | Noncontagious dermatitis that can be acute or chronic. Brought on by diet, cosmetics, clothing, stress, meds ect...
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| What is carbuncle? What is it characterized by? | it begins as a nodule, then enlarges to involve several adjacent hair follicles.
(deep follicular abscess of several follicles with multiple draining points, pain and fever)
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| What is folliculitis? | an infection of the hair follicle with the formation of a pustule
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| what is dermatitis? | inflamed skin
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| what is cellulitis? | acute diffuse or spreading inflammation of the skin and subcutaneous tissue
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| what is herpes simplex? What area does each effect? | viral infection, caused by herpes virus. effect mouth and nose, stage 2 effects the genitals
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| what is herpes zoster? | shingles
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| what is psoriasis? What is the cause? | chronic inflammation condition, caused by the overgrowth of skin cells
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| What is pediculosis capitis? how is it spread? | head lice. shared combs, brush, clothes, hats
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| what is pediculosis pubis? how is it spread? | CRABS, infected clothes, bedding and transmitted by intercourse
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| what is Rosacea? what does it result from? | chronic skin eruption that makes face, especially nose and cheeks flush.
(dilation of small blood vessels)
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| what are verrucae? | benign viral infection of the skin
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| what is lymes disease? What are the signs and symptoms? how should one dispose of a tick properly? | tick borne disease- bulls eye on area, and flu-like symptoms. carefully remove at the head with forceps or tweezers. wash area
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| `what is a keloid? | a scar that develops excess dense tissue as it progressed through the healing process
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| what is a malignant melanoma? what determines a melanoma? | neoplasm that develops from the pigment-producing melanocytes. shape, border, color, diameter and development
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| What dermabrasion? | controlled scrapping of the top layer of the skin to remove scars from acne or accidents and to smooth out fine facial wrinkels
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