Which of These Statements Correctly Describes Active Hyperaemia

question 238

Multiple Choice

Which of these statements correctly describes active hyperaemia?

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

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