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Human Structure Anatomy > ANS > Flashcards

ANS Flashcards

1
Q

What does GVA monitor

A
  • stretch
    -pain
    -temperature and chemical changes
  • nausea and hunger
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2
Q

What two systems lie in the GVE category and where do they synapse?

A

-Sympathetic and parasympathetic
- peripheral ganglion

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3
Q

Somatic nervous system is responsible for innervation of?

A

Skeletal muscle

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4
Q

How many motor units does the ANS and Somatic have

A

2 ANS
1 Somatic

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5
Q

Where does the postganglionic go to ?

A

Effector organ

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6
Q

Where does the parasympathetic come from

A

Craniosacral division

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7
Q

Where does the sympathetic come from

A

Thoracolumbar division

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8
Q

Where does the cranial division arise from?

A
  • nuclei in the brainstorm
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9
Q

what four cranial nerves are associated with the cranial division

A

-cn 3: ocuulomotor
- cn 7: Facial
- cn 9: glassopharyngeal
- cn 10: vagus

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10
Q

What levels do the sacral division arise from
Where do the cell bodies lie

A

S2, S3, S4
Lateral horns of the gray matter

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11
Q

Cranial nerve 3
Where do preganglionic axons travel to
What does the postganglionic axons innervate

A

-Oculomotor
- Ciliary ganglion of the orbit
- pupillary contractor muscle and the ciliary body of the lens

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12
Q

Cranial nerve 7
Preganglionic axon travel to the?
Postganglionic axons innervate

A
  • facial nerve
  • pterygopalatine ganglion and submandibular ganglion
  • 2/3 main salivary glands, lacrimal glands and mucous glands of the nasal and oral cavities
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13
Q

Cranial 9
Preganglionic axon travels to the
Postganglionic axons innervate the

A

-glassopharyngeal
- Otic ganglion
- parotid salivary gland

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14
Q

Cranial nerve 10
Preganglionic axon synapses with? And in the?
Postganglionic axons innervate the

A
  • vagus
  • postganglionic cell bodies : in the intramural ganglia
  • with or within the target organ
  • the thoracic organs and organs of the foregut and midgut
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15
Q

Sacral division
Preganglionic axons leave ? And travel to ? By what nerves?
What do they synapse with?

A
  • S2-S4: target organs : splanchic nerves
  • postganglionic cell bodies that reside in intramural ganglion
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16
Q

Paravertebral ganglia ( chain) lie on

A

Later side of vertebral column

17
Q

Prevertebral (preaortic) ganglia lie

A

Anterior to the abdominal aorta

18
Q

What cell bodies reside in the para and prevert ganglia

A

Postganglionic sympathetic cell bodies

19
Q

Successive chain ganglia are interconnected by

A

Short nerves into sympathetic trunks

20
Q

How many chain ganglion?
Which fuse during development

A

One for each spinal nerve
Superior, middle and inferior cervical ganglia

21
Q

How does the prevertebral ganglia differ from the chain

A

-Not paired
-not segmentally arranged
- lie anterior

22
Q

What are the main prevertebral ganglion

A

Celiac, superior mesenteric, aorticorenal, and inferior mesenteric

23
Q

Preganglionic neurons whose cells bodies lie in later horn send their motor axons through?

A

Ventral roots

24
Q

(sympathetic pathways) Where do axons enter

A

Spinal nerve and first part of the ventral ramus

25
Q

(Sympathetic pathways). How does the axon pass into the chain ganglion

A

Running through the white ramus communicanes

26
Q

(Sympathetic pathways). What are the three things preganglionic axon can do once in chain ganglia.

A
  • synapse with postganglionic neurons
  • pass through and run in the splanchnic nerve to synapse in a prevertebral ganglion
  • can ascend or descend in the sympathetic trunk
27
Q

(Parasympathetic visceral efferent).

Preganglionic neurotransmitter? Post- ganglionic ( receptor and neurotransmitter) ? Target receptor?

A

Acetylcholine: nicotinic: acetylcholine: muscarinic

28
Q

(Sympathetic visceral efferent nerve)
Preganglionic neurotransmitter? Post- ganglionic ( receptor and neurotransmitter) ? Target receptor? Target tissue

A

Acetylcholine: nicotinic : norepinephrine: beta 1, alpha 1 beta 3 : heart, smooth muscle / eccrine and apocrine sweat glands, fat

29
Q

What are the two parts of the adrenal gland

A

Medulla: outer part
Cortex: inner part

30
Q

What are the 4 important controls of GVA

A

-heart rate
- blood pressure
- respiration
- digestion

31
Q

What is incontinence

A

Lack or loss of formation of connections to the forebrain control centers

32
Q

(Horners syndrome)

Ipsilateral sympthathetic causes… (3 things)

A
  • pupils are constricted
  • minor drooping of eye lids
  • can’t sweat in the facial area

Human Structure Anatomy (5 decks)

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