KCT Autonomic NS Flashcards

1
Q

what are the sensory neurons for ANS called

A

visceral afferent neurons

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2
Q

The three categories of target organs in the ANS

A

sm mus cardiac mus and glands

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3
Q

where are preganglionic axons located and what type of axon are they

A

in the CNS. B type myelinated (small diameter )

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4
Q

neurotransmitter released by the preganglionic parasympathetic AND sympathetic neurons

A

ACh (to nicotinic)

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5
Q

where are postganglionic axons located and what type of axon are they

A

in the ganglion. C type myelinated (small diameter)

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6
Q

are sympathetic postganglions releasing excitatory or inhibitory neurotransmitter

A

effect of norepinephrine depends on the organ

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7
Q

what types of neurotransmitter and receptor are typical of postganglionic parasympathetic neurons

A

ACh and muscarinic (excitatory OR inhibitory)

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8
Q

what types of neurotransmitter and receptor are typical of preganglionic parasympathetic neurons

A

ACh and nicotinic (excitatory)

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9
Q

the four cranial nerves of parasympathetic innervation

A

III VII IX X

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10
Q

From where does the lower portion of the parasympathetic nervous system arise

A

lateral gray matter of S2- S4

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11
Q

Preganglionic parasympathetic neurons that originate from the oculomotor nucleus in the midbrain synapse where?

A

ciliary ganglia

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12
Q

Where do the preganglionic parasympathetic neurons that originate in the facial nucleus of the brainstem synapse

A

in the pterygopalatine and submandibular ganglia

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13
Q

Where do preganglionic parasympathetic neurons that originate in the glossopharyngeal nucleus of the brainstem synapse? what does it innervate?

A

the otic ganglia. innervates the parotid gland.

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14
Q

Where are the cell bodies of preganglionic sympathetic neurons found

A

lateral/intermediate gray matter of spinal cord at T1-L2

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15
Q

what do the cervical paravertebral sympathetic nerves innervate

A

the heart

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16
Q

five major prevertebral ganglia.

A

aortorenal, renal, celiac, and inferior, superior mesenteric

17
Q

sympathetic preganglionic axons synapse on this many postganglia

A

about twenty

18
Q

sympathetic postganglionic axons synapse on this many target organs

A

many

19
Q

parasympathetic preganglionic axons synapse on this many postganglia

A

4-5

20
Q

parasympathetic postganglionic axons synapse on this many target organs

A

usually