questions with accurate answers
Three laters of the skin - ans-Epidermis, dermis, subcutaneous
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Epidermis - ans- xz xz
Stratum cornerum is the outermost layer that contains close packed dead squamous cells t
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hat contain water proofing keratin. Next is the cellular stratum that are keratin cells synthesi
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zed in the stratum germinativum which also contains melanocytes. Stratum lucid is present
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only in thick areas of the skin like palms and soles.
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Dermis - ans- xz xz
second layer that contains sensory nerve fibers, elastin, collagen, blood vessels, sebaceou
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s glands and hair follicles.
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Subcutaneous - ans-fat, connective tissue, sweat glands, hair follicles xz xz xz xz xz xz xz xz
Appendages of skin - ans-Hair, sweat glands and sebaceous glands xz xz xz xz xz xz xz xz xz
Eccrine sweat glands - ans- xz xz xz xz
respond primarily to elevated body temperature through water secretion.
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Aprocrine sweat glands - ans- xz xz xz xz
Found in the nipples, axillae, genital area, eyelids and external ear. They secrete while fluid
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containing protein and CHO xz xz xz
Hair - ans- xz xz
formed by epidermal cells and they are in the dermal layers. Vellus hair is short, fine and no
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n pigmented and terminal hair is coarse, long and thick (pigmented)
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Derm HA - ans-Ask about problems/
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changes in hair, skin and nails. If a program conduct symptoms analysis (OLDCART) ask a
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bout moles, nevi, etc
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Inspect and Palpate for - ans- xz xz xz xz xz
Inspect first then palpate for color, moisture, lesions, temperature, turgor, texture,
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Skin color - ans-Inspect for overall pigmentation.
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Hypo: patchy, scars, tine verisolor, viltigilo, generalized may be albinism, scars
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,Hyper: scars, chloasma xz xz xz
In dark skinned individuals their knees, elbows, knuckles, hands and feet may be lighter in c
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olor
Colors of skin and indications - ans-
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Erythema: dilation in redness, inflammation, fever, injury, redness, decrease o2 utilization i
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n skin, polycythemia "Plethoric", cold exposure
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Cyanosis: decrease in oxygen xz xz xz
Jaundice: yellow in skin and sclera - liver damage (best seen in day light)
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Pallor: low Heme, decrease blood flow in superficial vessels
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Organ - carotene staining (forehead, palms and soles)
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Temperature - ans-Palpate with backs of hand bilaterally. xz xz xz xz xz xz xz xz
Increased: general - fever & local - inflammation xz xz xz xz xz xz xz xz
Decreased: general - shock & local - atherosclerosis xz xz xz xz xz xz xz
Moisture - ans-Hyperhydrosis can be generalized of confined to palms and soles
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Anhydrosis xz
General - xz
sweat glands absent or atrophied, psoriasis, ichthyosis, xerosis (dry skin), exfoliative derm
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atitis xz
Localized: CNS lesions xz xz
Turgor - ans- xz xz
Pinch a fold of skin and quickly release. Then watch for elasticity and quick disappearance
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of fold. xz xz
Reduced: loss of subcutaneous tissue with aging or indicative of dehydration
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Texture - ans-Feel skin with fingertips
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rough - dryness or hypothyroidism
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Exag. smooth - hyperthyroidism or arterial insufficiency
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, Lesions - ans-Examine for color, size, individual or groupings, location, pattern, distribution
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Morphology (primary, secondary, vascular or other) xz xz xz xz xz
Primary lesions - ans-macule/patch, papule/plaque, nodule/tumor, wheal, vesicle/
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bulla, pustule
xz
Macule - ans-small, flat spot under 1 cm
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Patch - ans-flat spot greater than 1 cm
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Papule - ans-elevated lesion up to 1 cm
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Plaque - ans-elevated lesion over 1 cm
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Nodule - ans-marble-like, solid lesion more than 1 cm wide and deep (more than papule)
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Tumor - ans-Nodule that is larger and extends deeper into the tissues
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Wheal - ans-irregular, transit, superficial area of localized skin deem "hive"
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Vesicle - ans- xz xz
Circumscribed, superficial elevation of the skin that is formed by free fluids in a cavity within
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skin layers - up to 1 cm
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Bulla - ans-
xz xz
Circumscribed, superficial elevation of the skin that is formed by free fluids in a cavity within
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skin layers - larger than 1 cm
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Pustule - ans-elevation of skin containing pus
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Secondary lesions - ans-lesions that result in changes in primary lesions
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Crust, scale, fissure, ulcer,erosion, excoriations, scar, maceration, lichenification, atrophy
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Vascular Lesions - ans-blood vessel lesions that show through the skin
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cherry angioma, petechia, ecchymosis (hematoma, senile purpura), telangiectasia, spider
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angioma, spider veins xz xz
Acute Idiopathic Thrombocytopenic Purpura - ans-
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accelerated removal platelets coated with antibody by cells of the reticuendothelial system.
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Infections, disorders or drug therapy. bleeding abruptly. Petechiae
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