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Regulating BP/Flow
Peripheral Mechanisms - Autoregulation
Question | Answer |
---|---|
What is the definition of Autoregulation/Active Hyperemia? | LOCALIZED Arteriole dilation or constriction |
What is the function of Autoregulation/Active Hyperemia? | improves BF to areas in need |
What is the significance of Autoregulation/Active Hyperemia? | NOT DEPENDANT on Nerves or Hormones - quick, simple, solves local deficiencies |
What is the 1st step in Autoregulation/Active Hyperemia? | increased Tissue Metabolism |
What is the 2nd step in Autoregulation/Active Hyperemia? | decreased Extracellular O2 - increased Extracellular CO2/acidity |
What is the 3rd step in Autoregulation/Active Hyperemia? | Ateriole fatigue/dilation |
What is the 4th step in Autoregulation/Active Hyperemia? | increased BF |
What is the 5th step in Autoregulation/Active Hyperemia? | increased O2 delivery & CO2 removal |
What is the 6th step in Autoregulation/Active Hyperemia? | restored Vasomotor Tone |