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Head and Neck Anatomy Midterm > Autonomic Nervous System > Flashcards

Autonomic Nervous System Flashcards

1
Q

Autonomic nervous system has what type(s) of fibers?

A

Visceral efferent and afferent fibers

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2
Q

Autonomic nervous system is divided into what two categories?

A

Sympathetic (Fight/flight)

Parasympathetic (Rest/digest)

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3
Q

Most organs have balance or ___ innervations

A

Dual

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4
Q

ANS involves ___ neuron(s), will synapse _____ the CNS.

A

2; outside

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5
Q

Is preganglionic neurons found in every spinal level?

A

No

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6
Q

Sympathetic is also know as_____ since preganglionic neurons originat __-__.

A

Thoracolumbar division;T1-L2

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7
Q

Stress causes an increase in BP, Heart rate, vasodilatation of blood vessels in extremities, pupils dilate, sweating increases, digestion stops. This is an example of which type of ANS?

A

Sympathetic

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8
Q

During sympathetic, blood vessel will _____ in extremities, while _____ in visceral organs.

A

Vasodilate; vasoconstrict

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9
Q

Adrenal Medulla is a _____ ganglion

A

Specialized

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10
Q

The wrapping of nerves on the carotid artery is _____ ____. (Fiber classification)

A

Postganglionic sympathetic

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11
Q

What type of neurons in sympathetic chain is located on the lateral gray horn T1-L2?

A

Preganglionic neurons

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12
Q

What type of neurons in sympathetic chain reside in chain C-S?

A

Postganglionic neurons

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13
Q

In the sympathetic chain, the preganglionic fibers run with the ventral rami and then connect to the ganglia by the _____.

A

“Rami Communicans”

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14
Q

Regarding sympathetic chain: White rami run to/from the ganglia?

A

To

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15
Q

Regarding sympathetic chain: White rami run to the ganglia in what segments?

A

T1-L2 only

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16
Q

Regarding sympathetic chain: ____ rami run from the ganglia

A

Gray

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17
Q

Regarding sympathetic chain: _____ fibers can run up and down the chain

A

Preganglionic

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18
Q

Regarding sympathetic chain: _____ is myelinated (white), _____ is not myelinated (gray).

A

Preganglionic; postganglionic

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19
Q

Regarding sympathetic chain: the fiber is _____ when jumping on the chain, and is _____ when comes off the chain.

A

White; gray

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20
Q

Preganglionics AND postganglionics are both found in only _____. Everywhere else is just _____.

A

T1-L2; Postganglionics

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21
Q

The sympathetic chain is only found in ___.

A

T1-L2

22
Q

Cranial Sympathetics: all sympathetics in _____ originate from spinal cord
levels T1 and T2

A

Head

23
Q

Cranial Sympathetics: all sympathetics in head are _____; synapse in superior cervical ganglion

A

Postganglionic

24
Q

Cranial Sympathetics: postganglionic fibers distributed primarily along branches of _____ and _____ arteries.

A

internal and external carotid

25
Q

What CN(s) are associated with parasympathetics are found in the head?

A

CN 3, 7, and 9

26
Q

Parasympathetic is also known as?

A

Craniosacral division

27
Q

What are the CN(s) that are associated with parsympathetics?

A

CN 3,7,9, and 10

28
Q

Decrease in BP, Heart rate, increase digestion, increase salivation, constrict pupils, energy storage. What type of fibers is this?

A

Parasympathetic

29
Q

Regarding parasympathetics: the ganglia resides ___ from CNS.

A

Far

30
Q

Regarding parasympathetics: ganglia are in walls of organs are called “intramural”, EXEPT in the _____.

A

Head

31
Q

-Ciliary Ganglion
-Otic Ganglion -Submandibular Ganglion
-Pterygopalatine Ganglion
(Intra/extramural?)

A

Extramural

32
Q

What are the 3 CN that contain parasympathetics found in the cranial?

A

CN 3,7, 9

33
Q

Which CN that contains parasympathetic fibers that are extra-cranial?

A

CN 10

34
Q

Vagus Nerve (10) is found in the

  • _____
  • _____
  • _____ -foregut and midgut
A
  • Neck
  • Thorax
  • Abdomen-foregut and midgut
35
Q

What are the 4 cranial parasympathetics? (Ganglions)

A
  • Ciliary ganglion
  • Pterygopalatine ganglion
  • Otic ganglion (Deep face)
  • Submandibular ganglion (Deep face)
36
Q

What cranial nerve is associated with:

  • Ciliary ganglion
  • Pterygopalatine ganglion
  • Otic ganglion (Deep face)
  • Submandibular ganglion (Deep face)
A

COPS-3977

37
Q

Does vagus nerve use trigeminal nerve?

A

Not at all

38
Q

COPS-3977 all utilize which cranial nerve?

A

Trigeminal

39
Q

Parasympathetics:

In head, postganglionic cell bodies located in ganglia hanging off a branch of the _____ nerve

A

Trigeminal

40
Q

Greater petrosal nerve is preganglionic parasympathetic before synapsing where?

A

Pterygopalatine ganglion

41
Q

Chorda tympani, leaves _____ nerve, passes through middle ear cavity, joins _____ nerve.

A

Facial nerve; Lingual nerve

42
Q

After chorda tympani joins lingual nerve, it will go directly to the submandibular gland, or rejoin the lingual to the sublingual gland. Before going to sublingual gland, where does it need to synapse first?

A

Submandibular gland

43
Q

This nerve is preganglionic parasympathetic, it has taste to anterior 2/3rd of tongue.

A

Chorda tympani

44
Q

Lingual nerve fiber classification?

A

General sense

45
Q

Fiber classification of lingual nerve after chorda tympani has joined.

A

Preganglionic parasympathetic, it has taste to anterior 2/3rd of tongue and general sense

46
Q

Lesser petrosal nerve is preganglionic before synapsing at?

A

Otic ganglion.

47
Q

Which nerve innervates partid gland?

A

Parotid branches of auriculotemporal nerve (CN V3). (Glossopharyngeal nerve will join V3 after synapsing at otic ganglion)

48
Q

Cranial parasympathetics: Preganglionic parasympathetic cell bodies are in the_____

A

BRAIN

49
Q

Cranial parasympathetics: Preganglionic parasympathetic axons distribute cranial nerves 3, 7 & 9, and synapse on one of four ganglia. (for _____) Vagus for _____.

A

HEAD; NECK

50
Q

Cranial parasympathetics: _____ fibers distributed primarily along branches of the Trigeminal nerve (CN V).

A

Postganglionic

51
Q

Preganglionic parasympathetic cell bodies are located in the _____ as nuclei.

A

Brainstem

Head and Neck Anatomy Midterm (5 decks)

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