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Exam 18: Autonomic Nervous System

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Question 41

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Which statements are correct concerning the sympathetic division of the ANS? A: Preganglionic neuron cell bodies are located in the lateral horns of the T1-L2 regions. B: Preganglionic neuron cell bodies are located in brainstem nuclei. C: It is associated with the oculomotor and facial nerves. D: It participates in the "fight-or-flight" response. E: Preganglionic neuron cell bodies are located in the sacral region of the spinal cord.

A) a,d
B) a,c,d,e
C) b,c,e
D) b,d
E) a,b,d

F) A) and D)
G) B) and D)

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Question 42

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The CN that supplies parasympathetic innervation to the thoracic organs is

A) CN II.
B) CN III.
C) CN VI.
D) CN IX.
E) CN X.

F) B) and D)
G) D) and E)

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Question 43

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The sympathetic preganglionic neuron cell bodies are housed in the _______ horn of the appropriate thoracolumbar regions of the spinal cord.

Which autonomic plexus consists of postganglionic sympathetic axons that come off the cervical and thoracic sympathetic trunk ganglia,as well as preganglionic axons from the vagus nerve?

The number of ganglia that may be associated with motor neurons of the somatic nervous system is

Which type of innervation causes the heart rate to increase?

Which number indicates a postganglionic axon?

Both the autonomic and somatic nervous systems may have sensory input from general somatic senses.

Which type of innervation causes pupil dilation?

The axons that release norepinephrine are called _________.

Gray rami from the sympathetic trunk connect to

Which sympathetic pathway involves only a preganglionic axon going to the effector organ?

Terminal and intramural ganglia are associated with the parasympathetic branch of the ANS.

Neuronal divergence occurs when axons from one preganglionic cell synapse on numerous ganglionic cells.

The preganglionic sympathetic neuron cell bodies are housed in the

Parasympathetic ______________ axons are longer than their counterparts in the sympathetic division.

White rami communicantes carry preganglionic sympathetic axons from the T1-L2 spinal nerves to the sympathetic trunk.

Postganglionic sympathetic axons are carried from the sympathetic trunk to the spinal nerve by the

The preganglionic axons of CN III extend to the _______ ganglion.

The parasympathetic innervation from the pelvic splanchnic nerves is responsible for erection of the female clitoris and the male penis.