-
What are first degree burns?
damages that only penetrates the epidermis where inflammation results & healing occurs without medical assistance within a few days. ex--a scrape
-
What are second degree burns?
damage into the upper epidermis & inflammation occurs, blisters appear. Skin can regenerate in 3-4 weeks if no infection occurs.
-
What are 3rd degree burns?
intire integument layer is damaged & area may be white, red, or black. Fluid & heat loss is accelerated causing the patient to go into shock and eventually die.
-
What is used to treat a 3rd degree burn?
skin grafts
-
How many weeks can the skin regenerate (heal) with a second degree burn if no infection occurs?
3-4 weeks
-
What increases the chances of skin cancer?
over exposure to UV rays
-
What is basal cell carcinoma?
most common & least malignant cancer of the stratum basale, slw growing & rarely undergoes metastasis. It happens more often in light skinned people. It appears as nodule with a central ulcer & a pearly edge.
-
What is squamous cell carcinoma?
cabncer of the keratinocytes of the stratum spinosum, grows rapidly, metastasizes, 99% curable, appears as a reddened papule.
-
What is melanoma cell carcinoma?
cancer of the melanocytes, extremly dangerous 7 deadly.
-
People over exposed to UV rays should look out for the ABCD(E) rule. What is the rule?
- A: asymmetry-mole shaped is not symmetrical
- B: border irregularity-not smooth, may have notches or indentations
- C: colors-various shapes may be present (black, brown, red, blue, tan)
- D: diameter-larger than 6mm
- E: elevation-mole rises above skin level
-
how does aging affect the skin?
as skin ages, its elasticity & thickness reduces but does not develop wrinkles. UV exposure activates enzymes in skin that break down the collagen which is replaced with an abnormal elastin material.
-
Why is UV important?
because it induces production of Vitamin D (helps the body absorb calcium)
|
|