Indicate Whether Arteriolar Vasoconstriction or Vasodilation Would Occur in the Tissue

Indicate whether arteriolar vasoconstriction or vasodilation would occur in the tissue in question by using the following answer code:
-sympathetic activity directed at cerebral arterioles

A) would produce arteriolar vasoconstriction
B) would produce arteriolar vasodilation
C) would not cause any change in arteriolar caliber