Chapter 17 Questions Flashcards
Where do preganglionic fibers of the ANS sympathetic division originate?
(d) Thoracic and lumbar spinal segments
What is the neurotransmitter at all synapses in the parasympathetic division of the ANS?
(c) Acetylcholine
What do the large cells in the adrenal medulla release?
(b) Release epinephrine and norepinephrine into blood capillaries
How are sympathetic preganglionic fibers characterized?
(d) Short in length and myelinated
What is the typical characteristic of postganglionic fibers of autonomic neurons?
(b) Unmyelinated
What does the white ramus communicans carry?
(d) Carries the preganglionic fibers into a nearby sympathetic chain ganglion
Which statement accurately describes visceral motor neurons in the CNS?
(c) Send axons to synapse on peripherally located ganglionic neurons
Which ganglia is part of the sympathetic division of the ANS?
(c) Sympathetic chain ganglia
What are splanchnic nerves?
(b) Include preganglionic fibers that synapse in collateral ganglia
Which ganglia is involved in the sympathetic division?
(c) Sympathetic chain ganglia
