Question 9 (2 points)
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Which of the following is a difference between the traditional sympathetic and the
adrenal sympathetic pathways?
1) one stimulates skeletal muscle cells, and the other stimulates smooth muscle
cells
2) one has a preganglionic neuron, and the other has a modified preganglionic
neuron
3) one uses endocrine signaling, and the other uses paracrine signaling
4) one signals adrenergic receptors, and the other signals cholinergic receptors