The arteriole beds are largely controlled by the ____ of the sympathetic nervous system.

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Arteriole beds are largely controlled by the alpha receptors of the sympathetic nervous system. Activation of these receptors causes vasoconstriction, reducing blood flow to the tissue. Beta receptors are generally associated with vasodilation and do not have a major role in controlling arteriole beds. Both alpha and beta receptors are sensitive to specific neurotransmitters (norepinephrine and epinephrine) rather than transmitters.

The Arteriole Beds Are Largely Controlled by the ____ of the Sympathetic