Which of the Following Statements Are True of the Arterioles

Which of the following statements are true of the arterioles in the dermis (Select all that apply) ?

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.