Skin Markings
what is another name for a finger print?
friction ridges
What is the perspiration that evaporates about as fast as it is produced, so it isnt noticed?
insensible perspiration
what is the leading cause of accidental death?
burn
how are conditions such as hypoxemia and jaundice detected in dark skinned patients?
Jaundice: yellow eyes,
Hypoxemia: grey hands, soles of the feet, face(lighter hue), pale lips, discoloration on inside of the mouth, nails
What are the 2 main types of skin grafts?
where do they come from?
which is more ideal?
autograft (ideal)- your own skin
Isograft (twin)
what are the flat patches that vary with heredity and exposure to the sun?
Freckles
Sweat produced and noticeably wets the skin
Diaphoresis
what are the 5 types of burn injuries?
heat
electricity
chemicals
friction
radiation
What layer of skin is a tattoo injected into?
Dermis
What are 2 types of temporary graft options?
what is a concern associated with these?
immune system rejection)
what are the lines where you flex a joint?
flexion lines (flexion creases)
What is the pH range of sweat?
4-6
what is burned, dead tissue? what is the mechanism to get rid of it?
eschar
debridement
Why don't tattoos fade away in just a few months after application?
WBCs cant engulf the large ink particles
the ink is trapped because the tissue isnt moving to be shed
most common type
least dangerous
forms from cells in stratum basale
mole
what makes up the 1% of sweat?
potassium ions, urea, lactic acid, ammonia, NaCl, drugs
What are the 3 effects of burn innjuries?
fluid loss
infection
eschar
discuss the 3 types of hemangiomas
Strawberry hemangiomas: month after birth, through early childhood
Cavernous: flat, dull, after birth, last
Portwine stain: generally flat, deep purple/pink bc of disruption of blood flow.
Tell me about Squamous Carcinoma
tends to metastasize to lymph nodes and may become lethal
Forms from keratinocytes in stratum spinosum
what are patches of skin discolored by benign tumors of the blood capillaries?
birthmarks (hemangiomas)
what is body odor called?
bromhidorsis
what degree burn requires a skin graft?
3rd
What are the 5 things to look for during a cancer assessment of skin markings?
Asymmetrical
Borders(irregular)
Color
Diameter
Evolution
Tell me about Malignant Melanoma
rare; most deadly form
from melanocytes
often in a preexisting mole
metastsizes