From the list given, select all possible items that are true with respect to the

Question

From the list given, select all possible items that are true with respect to the sympathetic subdivision of the peripheral autonomic nervous system.

Question options:

Contain single-fiber pathways that bring information from the CNS to effectors.

Contain efferent pathways that bring information to skeletal muscle fibers.

Contain efferent dual-fiber pathways that exit the CNS in the thoraco-lumbar regions.

Contain efferent dual-fiber pathways comprised of short pre-ganglionic fibers that synapse with long post-ganglionic fibers, the latter of which synapse with effectors.

Contain efferent aceytlcholine-secreting pre-ganglionic fibers that can either stimulate or inhibit post-ganglionic fibers, depending upon what type of acetylcholine receptor is present on the dendrites/cell bodies of the post-ganglionic cell.

Contain pre- and post-ganglionic fibers recognizable as efferent fibers because of the true, anatomic dendrites that project directly from the cell bodies of these neurons.

Contain efferent pathways whose post-ganglionic fibers secrete norepinephrin (NE) that, once released, always has a stimulatory effect on the effector cells.

A)

Contain single-fiber pathways that bring information from the CNS to effectors.

B)

Contain efferent pathways that bring information to skeletal muscle fibers.

C)

Contain efferent dual-fiber pathways that exit the CNS in the thoraco-lumbar regions.

D)

Contain efferent dual-fiber pathways comprised of short pre-ganglionic fibers that synapse with long post-ganglionic fibers, the latter of which synapse with effectors.

E)

Contain efferent aceytlcholine-secreting pre-ganglionic fibers that can either stimulate or inhibit post-ganglionic fibers, depending upon what type of acetylcholine receptor is present on the dendrites/cell bodies of the post-ganglionic cell.

F)

Contain pre- and post-ganglionic fibers recognizable as efferent fibers because of the true, anatomic dendrites that project directly from the cell bodies of these neurons.

G)

Contain efferent pathways whose post-ganglionic fibers secrete norepinephrin (NE) that, once released, always has a stimulatory effect on the effector cells.

Explanation / Answer

C,D,E,G

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