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Pharmacology
Besides stimulation of M3 receptors located on endothelial cells, the main mechanism of vasodilatory actions of acetylcholine includes which of the following?
Decrease in endothelin by acetylcholine released from cholinergic nerves in blood vessels
Inhibition of norepinephrine release from adrenergic nerve endings
Stimulation of vascular smooth muscle cells
Effects on autoregulation particularly in coronary vascular beds.
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