The postganglionic fibers of the sympathetic nervous system are: a. short, adrenergic, type B b. short, cholernergic, type B c. long, adrenergic, type A d. long, cholernergic, type A e. none of the above
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- The fibers of the sympathetic division may release Ach at the: Select one: a. Synapse with the cardiac muscle b. Synapse with the postganglionic neuron c. Neuromuscular junction d. Synapse with the adrenal cortexWhich of the following is not associated with sympathetic stimulation? a. arteriolar dilation in skeletal muscle b. flight or fight c. preparation for energy expenditure d. diffuse effects e. small intestine absorption of nutrients.Sympathetic splanchnic nerves are composed of A. preganglionic sympathetic axons that synapse in a sympathetic trunk ganglion. B. preganglionic sympathetic axons that did not synapse in a sympathetic trunk ganglion. C. postganglionic sympathetic axons that synapse in a sympathetic trunk ganglion. D. postganglionic sympathetic axons that did not synapse in a sympathetic trunk ganglion. E. None of the choices is correct.
- The cell bodies of the postganglionic neurons of the sympathetic division are located in thea. sympathetic chain ganglia. d. dorsal root ganglia.b. collateral ganglia. e. Both a and b are correct.c. terminal gangliaWhich of the following is a feature exclusively of the sympathetic division of the ANS? Select one: O a. Postganglionic axons tend to be localized to a single effector O b. Most preganglionic axons are short O. None of these options is a feature of the sympathetic system O d. Preganglionic neurons extend from the brain stem or sacral elements of the spinal cordWhich of the following is correct about the sympathetic division of the autonomic nervous system? Select one: O A. sympathetic nerves exit the central nervous stem at the base of the brain and the sacral region of the spinal cord O B. the neurotransmitter released by postganglionic neurons is acetylcholine O C. the neurotransmitter released by postganglionic neurons is norepinephrine O D. sympathetic nerves form synapses in ganglia near or within an internal organ O E. sympathetic nerves typically exit the central nervous system and form ganglia located just outside the brain
- Which of the following is correct regarding the autonomic nervoussystem?a. It uses both cranial and spinal nerves.b. It is divided into sympathetic and parasympathetic divisions.c. Most organs under ANS control are under dual innervation—thatis, by both sympathetic and parasympathetic divisions.d. Major responsibilities are regulation and repair of cardiacmuscle, smooth muscle, organs, and glands.e. All of these are correct.What is another name for the preganglionic sympathetic fibers that project to the heart?a. solitary tractb. vasomotor nervec. vagus nerved. cardiac accelerator nerveThe white ramus communicans containsa. preganglionic sympathetic fibers.b. postganglionic sympathetic fibers.c. preganglionic parasympathetic fibers.d. postganglionic parasympathetic fibers.
- Most preganglionic fibers in the sympathetic nervous system synapse with Select one: a. maximum 5 postganglionic neurons b. somatic neurons C. parasympathetic neurons d. at least 20 postganglionic neuronsWhat are the nerve roots for the autonomic nervous system? a. Sympathetic = T2-T10; Parasympathetic = S2-4 b. Sympathetic = C1-C5; Parasympathetic = T2-T10 c. Sympathetic = T1-L2, Parasympathetic = CN3, 7, 9, 10 & S2-4 d. Sympathetic = CN3,7,9,10; Parasympathetic = T2-10Which of the following is correct regarding the autonomic nervoussystem?a. It uses both cranial and spinal nerves.b. It is divided into sympathetic and parasympathetic divisions.c. Most organs under ANS control are under dual innervation—thatis, by both sympathetic and parasympathetic divisions.d. Major responsibilities are regulation and repair of cardiacmuscle, smooth muscles, organs, and glands.e. All of the above are correct.