Where do the preganglionic neurons of the sympathetic nervous system originate within the spinal cord?

The lateral horn of segments T1–L2 (thoracolumbar region).

Which receptor type is found on the postganglionic fiber at the synapse of both sympathetic and parasympathetic ganglia?

Cholinergic nicotinic receptors.

What is the primary effect of β1-adrenergic receptor activation on the heart?

Increased heart rate and force of contractility.

Mechanisms of Neuronal Signaling and Autonomic Control — Mazos de tarjetas médicas

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