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Which of the following is a result of increased sympathetic stimulation of vascular smooth muscle? Filtration in capillaries increases Total arteriolar diameter increases The percentage of blood volume in the veins increases Blood flow to the brain decreases Venous return of blood to the heart increases

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Answer #1

Ans 1:total arteriolar diameter increases. Smooth muscles regulates the diameter of vessels.

Ans 2 SA nodes are normally the pacemaker of heartI

S.A. node initiates electrical impulses to stimulate contraction .

Ans 3:an alpha adrenergic receptor agonist

This induce smooth muscle contraction and vasoconstriction and regulates blood pressure.

Ans 4.refers to chronic state of elevated blood pressure

It is just a n another name for high blood pressure.

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