Exercise Increases Catecholamine Release $\alpha$ -Adrenergic Receptors Specifically Leads To:
A)An Increase in Insulin Secretion

Exercise increases catecholamine release.Stimulation of $\alpha$ -adrenergic receptors specifically leads to:

A) An increase in insulin secretion.
B) Vasodilation of skeletal muscle arterioles.
C) Vasoconstriction of splanchnic arterioles.
D) Vasodilation of veins and lymphatic vessels.
E) A positive inotropic effect on cardiac function.