Which of the Following Statements Concerning Regulation of Blood Flow

question 88

Multiple Choice

Which of the following statements concerning regulation of blood flow is TRUE?

• A)Increased levels of metabolic waste products and decreased oxygen concentration in tissues promote hyperemia through the tissues.
• B)If blood flow to a tissue is blocked for a period of time and then the block is removed,the result is a reactive hyperemia in which blood flow through the affected tissue remains low.
• C)According to flow autoregulation,if blood pressure to an arteriole is decreased,blood flow will not return toward its original level until the original blood pressure is restored.
• D)High levels of CO2 and metabolites tend to cause contraction in the smooth muscle of arteriole walls.
• E)The resistance to blood flow in brain and heart vascular beds does not vary in response to changes in local gas or metabolite concentrations.

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Definitions:

Social Interaction

The process by which individuals act and react to those around them, forming the basis of social relationships and structures.

Religiosity

Involves a relationship with a religion, a set of doctrinal beliefs and behaviors shared by a community, and religious practice, participation in its prescribed rituals and practices; sometimes overlaps with spirituality.

Physical Functioning

Refers to the capacity to perform physical tasks and activities of daily living, often used as a measure of health and fitness.

Reflexes

Automatic, involuntary responses to stimuli that the body produces to protect itself.