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.
The specific action of the drug depends on which type of the adrenergic receptor is affected. It also depends on whether or not the drug acts directly on the receptor or indirectly by stimulating the release of neurotransmitters. The receptors include: 1  alpha-1. 2  alpha-2. 3  beta-1.