Definition of sociopolitical. : of, relating to, or involving a combination of social and political factors.
Beta-1 receptors are found in the heart, and when stimulated will increase herat rate and cardiac contractility. Beta-2 receptors are found on vascular smooth muscle located in the heart and skeletal muscle, and when they are activated, they dilate and decrease SVR.
As blood is pumped out of the left ventricle into the aorta and distributing arteries, pressure is generated. Therefore, changes in either CO or SVR will affect MAP. As shown in the graph, increasing CO increases MAP. Likewise, increasing SVR increases MAP at any given CO.