Chap 18 Integumentary Flashcards
psoriasis
chronic skin condition cells grow too quickly.
Red, white, silver patches, itching, discomfort.
shingles
viral, same virus as chickenpox. pain, itching, rashes, fever, chills.
tinea
fungal infection. red, scaly patches in ring shape.
wart
contagious hard bump caused by virus
Skin functions - 4
Covers and protects body
Sensation through nerves
Regulates body temperature
Prevents loss of too much water
Functions of integumentary system - 7
Protect internal organs from injury Protect body against bacteria Prevent loss of too much water Regulate body temperature Respond to heat, cold, pain, pressure, touch Excrete wastes in sweat Help with vitamin D production
Integumentary changes with aging - 8
Amount of fat and collagen decreases Elastic fibers lose elasticity Hair and nail growth slows Skin becomes drier Skin becomes thinner and more fragile Protective fatty tissue layer thins Hair thins and turns gray Brown spots may appear on skin
Common skin disorders - 10
Burns - 3 degrees
Scabies - mites burrow in skin
Shingles - virus of chickenpox
Wounds - open or closed
Gangrene - death of tissue due to lack of blood flow. Diabetes can.
Eczema - dermatitis. stress, allergies, heredity. Protect and steroid cream
Psoriasis - inherited. creams, shampoos, lotions.
Fungal - jock itch, vaginal yeast, athlete’s foot, tinea. Moist areas.
Warts - virus, contagious. Medication, laser, cut out.
Skin cancer - Asymmetry, Border irregular, Color varies, Diameter generally over 6mm.
Lesions - 7
Macules - flat discoloration. freckles.
Papules - raised little round bumps. No pus. Contact dermatitis.
Pustules - raised, filled with pus. acne, boils.
Vesicles - blisters with fluid. Chickenpox.
Wheals - large, raised, irregular. hives.
Hematoma - collection of blood under skin. bruise.
Purpura - small purple spots under skin caused by blood. Senile purpura.
Pressure points - 9
Elbows, Knees
Back of neck and head, Shoulder blades
Sacrum, Hips
Ankles, Heels, Toes
Pressure Ulcer stages - 5
1- Skin intact but reddens or blue or gray. Color stays after 30 minutes
2- Partial thickness skin loss epi & dermis. Looks like blister or shallow crater.
3- Full thickness skin loss, epi & dermis all gone.Looks like deep crater. Bottom may have yellow dead tissue. May extend to muscle.
4- Full thickness skin loss all layers skin, tissue, possibly muscle, bone, joints, tendons. Necrotic.
Unstageable - intact skin on top but black, cannot tell stage until top removed.
Risk factors for pressure ulcers - 5
immobility Wrinkled linens crumbs and other irritating objects Malnutrition and dehydration Urinary incontinence
Preventing pressure ulcers - 13
Report changes in resident's skin Perform regular skin care, closely observe Keep skin clean and dry Assist immobile residents to change position, 2 hours Ask wheelchair residents to change position frequently Be careful in transfer Linens dry, clean, wrinkle free ROM Massage skin often if allowed Use positioning devices Use pillows to separate skin surfaces Encourage fluids and good nutrition Use moisturizers as ordered
eczema
Tempory or chronic skin disorder
redness, itching, burning, swelling, cracking, weeping, lesions
Also called dermatitus