Which of the Following Statements Are True of the Arterioles

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.