Ch. 4 Integumentary Flashcards
2nd degree burn
epidermis & dermis, blisters, skin is bright red
3rd degree burn
all layers damaged, nerve damage, skin grafting common (rule of nines and rule of palms)
1st degree burn
only epidermis, pain, redness, no blisters, sunburns
Sebaceous gland (oil gland)
exocrine gland, formed in germinativum, covers the body, ducts empty into hair follicles
What is sebum
oily substance and fragmented cells
Oil production ______ in adolescence due to ______
increases, hormones
What is seborrhea?
“cradle cap”
oily dandruff in infants
Eccrine (type of sweat gland)
most widespread, produces sweat (pH of 4.0-6.0)
Apocrine (type of sweat gland)
axillary(armpit area) and genital areas of body
Sweat is made of…
H2O, salts, vitamin C, and metabolic waste
Body odor is…
bacteria on skin contaminate/break down the secretion
Sweats glands are ________ glands
cutaneous
Types of skin disorders
allergies, bacteria, viral, fungal, burns, cancers
ABCD rule?
asymmetry, border, color, diameter(> 6mm)
Carcinoma is..
Melanoma is..
non lethal, lethal
Scleroderma
hardening/lightening of skin, autoimmune disease, not fatal unless on organs
Frost bite
frozen skin due to ice crystals forming in the skin, leads to decreased blood flow
Decubitus Ulcers
“bedsores” (pressure ulcers), pressure reduces blood supply to area
Scars
fibrous tissue replaces skin
Keloid
overgrowth of scar tissue at the site of injury
Ringworm
fungal infection of the skin, AKA tinea
Botox
diluted botulism injections, decreases muscle contractions
Porphyria
sensitive to sunlight, reduction to heme group
Impetigo
bacteria infection that is very contagious
Carbuncles
inflammation, boils that fused into larger lesion
Blisters
friction caused damage, raised skin with watery inside
