Which of the Following Statements Are True of the Arterioles

question 32

Multiple Choice

Which of the following statements are true of the arterioles in the dermis? (Read carefully and select all of the correct statements.)

• A)Arterioles are able to constrict because of the smooth muscle in their walls.
• B)In a cold environment,arterioles will constrict to bring heat to the surface to keep the skin warm.
• C)In a warm environment,arterioles will dilate to keep blood and excess heat away from the skin surface.
• D)In a stressful situation,arterioles will dilate to bring more blood with oxygen to the skin.

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Definitions:

Extinction

In psychology, the gradual weakening and disappearance of a conditioned response when the conditioned stimulus is no longer paired with the unconditioned stimulus.

CS (Conditioned Stimulus)

An initially neutral stimulus that, after being associated with an unconditioned stimulus, eventually comes to trigger a conditioned response.

UCS (Unconditioned Stimulus)

An unconditioned stimulus is something that naturally and automatically triggers a response without any learning needed (e.g., food causing salivation in dogs).

Classical Conditioning

A conditioning process where two stimuli are systematically paired; the response, at first provoked by the second stimulus, is gradually elicited by the first stimulus alone.