head to toe yoost Flashcards
(225 cards)
what determines ski color and hue
pigment
what causes white pinkish skin
low melanin
absence of pigment is called
albinism
what is cyanosis
blue discoloration of the skin nail beds or mucous
what causes cyanosis
casoconstriction or deoxygenated hemoglobin in blood vessels newar skin
what is erythema
redness of skin
syoptoms of erythema
congestion or dialation of superficial vessels in skin,
what causes erythema
skin injury
sunburn
infection
fever
purpura is
bleeding underneath the skin
what does purpura indicate
vascular coagulation, platelet disorder
jaundice
yellow hue to skin, mucous membrain, eyes
causes of jaundice
excess bilirubin, liver failure
best site to check for jaundice
sclera, the hard palate, darker skinned people
pallor is
pale or lighetened skin tone
pallor causes
illness, emotional shock, stress, decreased exposure to sunlight, anemia, may be genetic
where is pallor observed
face, oral mucosa, nail beds, palms of hands, conjuctiva of eye
vitiligo is
loss of skin pigment
vitiligo causes
result of autoimmune response
skin lesions causes
benign, age related skin, skin tags, cherry angiomas, keratosis, warts, freckles
what is petechiae
tiny dark red spots
what does petechiae idicate
hemorrhage (blood) under skin
skin malignancies
a type of canser
taninng before age 35 increase the risk for
melanoma (deadliest skin canser)
skin lesion types
macule/ patch
papule/plaque
nodule
tumor
vesicle/bulla
pustule
wheal
burrow
cyst