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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Definitions:

Pressure Ulcer

An injury to skin and underlying tissue, usually over a bony prominence, as a result of prolonged pressure, often occurring in bedridden or immobile patients.

Albumin

A protein made by the liver, essential in maintaining the pressure and fluid balance in the blood and body.

Laboratory Data

Information and results generated from clinical tests and analyses conducted in a controlled, scientific setting.

Pressure Ulcer Staging

The classification of pressure ulcers (bedsores) into stages based on their depth, size, and severity.