When arterioles constrict,it raises arterial blood pressure and increases the volume of forward flow into the veins,while constriction in veins reduces forward flow by decreasing pressure in the atria.

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Quizplus · Accepted Answer

When arterioles constrict, it actually increases resistance to blood flow and decreases arterial blood pressure. Constriction in veins can also increase pressure, but it does not directly affect pressure in the atria.

When Arterioles Constrict,it Raises Arterial Blood Pressure and Increases the Volume