A&P Ch.14 Autonomic Nervous System - Quiz
Preganglionic fibers of parasympathetic neurons can be found in which cranial nerves?
III (Oculomotor nerves), VII (Facial Nerves), IX (Glossopharyngeal), X (Vagus)
Which of the following occurs from spinal segments T 1 to L 2?
Sympathetic preganglionic fibers join the ventral root of each spinal nerve.
Dual innervation refers to an organ receiving
both sympathetic and parasympathetic nerves.
Postganglionic fibers of autonomic neurons are usually
connected to cardiac muscle, smooth muscle, glands, and adipocytes. located in the brain.
Effects produced by the parasympathetic branch of the autonomic nervous system include
increased secretion by digestive glands.
An autonomic motor neuron whose cell body lies in the CNS is called a(n)
preganglionic neuron.
The division of the autonomic nervous system that prepares the body for emergencies is the
sympathetic division.
Which of the following fibers usually release norepinephrine (NE)?
sympathetic postganglionic
The effects of neurotransmitters released by the modified neurons of the adrenal medullae resemble those produced by stimulation of
sympathetic postganglionic fibers.
Almost 75 percent of all parasympathetic outflow travels along the
vagus nerve.