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Paravertebral and prevertebral ganglia are part of the parasympathetic branch of the ANS.

A) True
B) False

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The postganglionic axons from the superior mesenteric ganglion innervate


A) the distal half of the duodenum.
B) part of the pancreas.
C) part of the small intestine.
D) the proximal part of the large intestine.
E) All of the choices are correct.

F) None of the above
G) A) and C)

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The sympathetic postganglionic axons from the superior cervical ganglion innervate A: Sweat glands in the head B: Sweat glands in the palms C: Smooth muscle of blood vessels in the head D: Smooth muscles of blood vessels in the antebrachial region E: Superior tarsal muscle of the eye F: Submandibular salivary gland


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

F) B) and C)
G) None of the above

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The sympathetic trunks are located


A) superior to the brachial plexus.
B) inferior to the sacral plexus.
C) immediately lateral to the vertebral column.
D) lateral to prevertebral ganglia.
E) in the craniosacral regions.

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

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The enteric nervous system is a network of neurons found throughout the walls of thoracic organs, such as the lungs.

A) True
B) False

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Which type of innervation causes pupil dilation?


A) Parasympathetic
B) Sympathetic

C) A) and B)
D) undefined

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Preganglionic neurons of the sympathetic division originate in the


A) dorsal horns of the craniosacral brain and spinal cord.
B) ventral horns of the cervical and sacral spinal cord.
C) dorsal horns of the thoracolumbar spinal segments.
D) lateral horns of the thoracolumbar spinal segments.
E) ventral horns of the cervical and thoracic spinal segments.

F) C) and D)
G) C) and E)

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The "fight-or-flight" system is the ________ nervous system.


A) parasympathetic
B) somatic
C) sympathetic

D) B) and C)
E) A) and C)

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Which cranial nerves are associated with the parasympathetic division of the ANS? A: III B: IV C: V D: VII E: IX F: X G: XII


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

F) B) and C)
G) None of the above

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The postganglionic axons of the sympathetic branch of the ANS are considered short.

A) True
B) False

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Which statements are correct concerning the parasympathetic division of the ANS? A: Contains preganglionic cell bodies in brainstem nuclei B: Contains preganglionic cell bodies in the lateral horns of the T1-L2 regions C: Participates in the "fight-or-flight" response D: Helps maintain homeostasis E: Contains preganglionic cell bodies in the sacral region of the spinal cord


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

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

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Which division functions to increase alertness and direct bodily responses in stressful situations?


A) Parasympathetic
B) Sympathetic

C) A) and B)
D) undefined

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The axons that release norepinephrine are called ________.

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The two divisions of the autonomic nervous system


A) use preganglionic and postganglionic neurons to innervate skeletal muscle.
B) contain autonomic ganglia to house ganglionic neurons.
C) are voluntary.
D) are composed of PNS structures only.
E) function only during sleep.

F) C) and D)
G) C) and E)

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


A) white rami communicantes.
B) superior cervical ganglion.
C) gray rami communicantes.
D) splanchnic nerves.
E) pterygopalatine ganglion.

F) B) and E)
G) A) and B)

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The prevertebral ganglion that receives axons that originate in the L1-L2 segments of the spinal cord is the ________ ganglion.


A) celiac
B) superior mesenteric
C) inferior mesenteric
D) splenic
E) hepatic

F) A) and E)
G) C) and E)

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In an autonomic motor pathway, the first cell in the two-neuron chain is the ________ neuron.


A) preganglionic
B) postganglionic
C) posterior
D) terminal
E) primary

F) None of the above
G) C) and E)

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Neuronal ________ occurs when axons from numerous preganglionic cells synapse on a single ganglionic cell.

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In the brain, the ________ is the integration and command center for autonomic functions.


A) medulla
B) cerebral cortex
C) spinal cord
D) brainstem
E) hypothalamus

F) B) and E)
G) C) and E)

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The sympathetic division of the ANS has


A) long postganglionic axons.
B) norepinephrine as a transmitter substance.
C) preganglionic neuron cell bodies in the T1-L2 regions of the spinal cord.
D) Two of the choices are correct.
E) All of the choices are correct.

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

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