Autonomic innervation of vessels

The video tutorial explains the autonomic nervous system's role in regulating blood vessels, focusing on sympathetic and parasympathetic influences. It details sympathetic innervation, highlighting the release of acetylcholine and norepinephrine, and their effects on adrenergic receptors, leading to vasoconstriction and vasodilation. The limited parasympathetic innervation is discussed, noting its minimal impact on vascular tone but potential effects through muscarinic receptors when activated by cholinergic agonists.

Explain the role of parasympathetic response in vascular smooth muscle.

How can medications affect muscarinic receptors in vascular smooth muscle?