● Produces melanin, a dark pigment that helps determine the color of the skin
● At least 15% sunscreen to protect skin
Function of the skin(test)
● Protection
● Temperature regulation
● Secretion
● Sensation
● Synthesis of vit D
● Blood reservoir
Age related changes
● Wrinkling a result of thinning skin layers and degeneration of elastin fibers(test
question)
Development of skin lesion
● Senile purpura: large purplish bruises resulting from minor trauma that resolve very
slowly(test)
SATA age related changes(test)
● Scalp hair thin in women as well but usually less obvious
● Increase in facial hair in both sexes
● Men may have increase hair in the nares, eyebrow or helix of the ear
● Nails are flatten; become dry, brittle and discolored
● Decrease pigmentation
Functional assessment of skin SATA(test)
● Past and present occupation
● Exposure to chemical or other irritants, skin care habit, sun exposure
● Recent changes in the work or living environment
● Current stresses and sources of anxiety
Diagnostic test and procedure
● Wood light examination(test): In wood light examination a black light is used to
assess for pigmentation changes and superficial skin infection. It also used to
examine the vulva after a sexual assulat because it may reveal traces of saliva or
semen
● Excisional biopsy: for deep specimens, surgical excision is indicated. The entire
lesion is removed. Sutures are required to close the defect left by procedure. SO we
should teach pt to comeback at clinic to remove suture
Common therapeutic measure
● Dry dressing protect wounds and abords dressing
● Wet dressing decreases inflammation. Soften crust and promote tissue granulation
● Absorptive dressing used to promote removal of excess exudate and are especially
useful in wound necrotic
● Occlusive dressing protect wounds and maintain moisture or promote healing(test)
Phototherapy
● Ordering phototherapy which patients are not ideal?