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Postganglionic sympathetic fibers are relatively long compared to those of the parasympathetic division.

A) True
B) False

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The overall integrating center for the ANS.


A) hypothalamus
B) medulla
C) medulla oblongata
D) rami communicantes
E) sympathetic trunk

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

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This structure contains modified sympathetic postganglionic neurons that lack nerve processes.


A) adrenal medulla
B) collateral ganglion
C) stellate ganglion
D) sympathetic chain ganglion

E) A) and D)
F) All of the above

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The ________ nerve provides the main parasympathetic innervation to the heart, lungs, and abdominal viscera.


A) trigeminal
B) celiac
C) vagus
D) phrenic

E) B) and D)
F) None of the above

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Parasympathetic ganglia that are located within the walls of the innervated organs are called


A) collateral ganglia.
B) dorsal root ganglia.
C) intramural ganglia.
D) paravertebral ganglia.

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

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What is the effect of parasympathetic stimulation of respiratory bronchioles in the lungs?


A) constriction
B) dilation
C) decreased secretion of mucus
D) no effect

E) A) and C)
F) A) and D)

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Autonomic fibers emerging from the craniosacral region of the spinal cord belong to the ________ division.

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Another name for a chain ganglion is ________ ganglion.


A) collateral
B) paravertebral
C) prevertebral
D) intramural

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

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The ANS stimulates cardiac muscle as well as smooth muscle and glands. Which of the following nerves carries autonomic fibers that increase the rate of cardiac muscle contraction?


A) phrenic nerves
B) sympathetic nerves from the thoracolumbar spinal cord
C) vagus nerves
D) sympathetic nerves from the middle and inferior cervical ganglion

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

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Sympathetic preganglionic fibers leaving the thoracic spinal nerves may ascend within the ________ before synapsing so that they can exit near the head.

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  Use the diagram above to answer the following questions. -Which letter indicates the cardiac plexus? A)  A B)  B C)  C D)  D E)  E Use the diagram above to answer the following questions. -Which letter indicates the cardiac plexus?


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

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

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Which of the following cranial nerves does not supply parasympathetic fibers to the head?


A) oculomotor
B) facial
C) vagus
D) glossopharyngeal

E) None of the above
F) All of the above

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Congenital megacolon, or Hirschsprung's disease, is a birth defect in which the ________ innervation of the distal region of the large intestine fails to develop normally.

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Cranial parasympathetic outflow is contained in all of the following cranial nerves except the


A) accessory.
B) facial.
C) glossopharyngeal.
D) vagus.

E) All of the above
F) B) and D)

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Which of the following autonomic plexuses does not lie on the aorta or on the main branches of the aorta?


A) celiac
B) superior mesenteric
C) inferior mesenteric
D) inferior hypogastric

E) A) and C)
F) A) and B)

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The ________ division of the ANS is responsible for the fight-or-flight response.


A) parasympathetic
B) sympathetic
C) autonomic
D) somatic

E) B) and C)
F) A) and B)

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Which of these is not a characteristic of the parasympathetic division?


A) branched fibers
B) cholinergic fibers
C) intramural ganglia
D) myelinated fibers

E) A) and D)
F) A) and C)

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Sacral nerves carrying parasympathetic innervation to the pelvic organs are called


A) pelvic splanchnic nerves.
B) sacral splanchnic nerves.
C) thoracic splanchnic nerves.
D) vagus nerve.
E) enteric nervous system.

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

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A class of preganglionic fibers present in both sympathetic and parasympathetic divisions.


A) celiac
B) adrenergic
C) medullary
D) cholinergic
E) cortical

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

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A descriptive term that identifies the type of neurotransmitter released by sympathetic postganglionic fibers.


A) postganglionic neuron
B) adrenergic
C) medulla
D) cholinergic
E) cortical

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

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