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12 Cards in this Set

  • Front
  • Back
What determines autoregulation of blood flow to the heart?
Local metabolites, dilation of the coronary arteries
What unique effect do the autoregulation factors have in the lungs, and why does this occur?
Hypoxia causes vasoconstriction

Occurs so that blood is shunted ONLY to the highly oxygenated areas
What does Pc represent?
Capillary Pressure

Pushes fluid out of capillary
What does Pi represent?
Interstitial Fluid Pressure

Pushes fluid out of interstitium
What does πc represent?
Plasma colloid osmotic pressure

Pulls fluid into capillary
What does πi represent?
Interstitial fluid osmotic pressure

Pulls fluid into interstitium
What is the net filtration pressure equation?
Pnet = [(Pc-Pi) - (πc - πi)]
What is Kf?
Filtration constant
What is edema from increased capillary pressure caused by?
Heart failure causes pressure backup
What is edema from decreased plasma proteins caused by?
Nephrotic syndrome, liver failure
What is edema from increased capillary permeability caused by?
Toxins, infections, burns
What is edema from increased interstitial fluid colloid osmotic pressure caused by?
Lymph blockage