Which of These Statements Describes Active Hyperaemia

question 127

Multiple Choice

Which of these statements describes active hyperaemia

• A)arteriolar dilation that occurs within a tissue in response to local chemical changes that accompany increased metabolic activity of that tissue
• B)local arteriolar mechanisms that are aimed at keeping tissue blood flow constant in spite of wide deviations in mean arterial driving pressure
• C)the increase in blood flow to a tissue that occurs after removal of an occlusion of that tissue's blood supply
• D)important in maintaining an adequate pressure head to drive blood forward into a tissue

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