Ch 12 Skin, Hair, Nails Flashcards
Cyanosis
This is a bluish mottled color that signifies decreased perfusion the tissues are not adequately perfumed with oxygenated blood
Dusky blue
Brown skin look at conjunctival oral mucosa nail beds
Pallor
When the red pink tone from the oxygenated hemoglobin in the blood are lost, the skin takes on the color of connective tissue (collagen) which is mostly white
Presents as:
Pale, ashen gray dull skin
Brown skin appears yellow-brown dull skin losses healthy glow
Erythema
Intense redness of skin from excess blood hyperemia in the dilated superficial capillaries
presents as: Red bright pink
Dark skin purplish tinge difficult to see palpate for increased warmth with inflammation
Jaundice
Is exhibited by a yellow color, indicating rising amounts of bilirubin in the blood
Presents as
Yellow in the sclera , hard palate, mucous membrane palms of the hand
Conditions that exhibits Pallor
Anemia - decreased hematocrit Shock- decreased perfusion, vasoconstriction Local arterial insufficiency Albinism Vitiligo
Albinism
Total absence of pigment melanin throughout the integument
Vitiligo
Patchy depigmentation from destruction of melanocytes
Conditions that exhibits cyanosis
Increased amount of unoxygenated hemoglobin
Central-chronic heart and lung disease causes arterial desaturation
Peripheral- exposure to cold anxiety
Conditions that exhibits Erythema
carbon monoxide poisoning, polycythemia hyperemia, venous stasis
Hyperemia
Increased blood flow though engorged arterioles , such as in inflammation, fever, alcohol intake, blushing to
An unusual amount of blood in a part; congestion.
Polycythemia
Increased red blood cells capillary stasis
Venous stasis
Decreased blood flow area engorged venules
Conditions that exhibits Jaundice
Increased serum bilirubin from the liver inflammation or hemolytic disease, such as after severe burns, some infections
Carotenemia, uremia
Carotenemia
Increased serum Carotene from ingestion of large amounts of carotene-rich foods
Uremia
Renal failure causes retained Urochrome pigments in the blood
Intoxication caused by the body’s accumulation of metabolic by-products normally excreted by healthy kidneys.