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Max Spinal 2 > work book final > Flashcards

work book final Flashcards

(52 cards)

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1
Q

what is the location of the cell body of a primary sensory/afferent neuron?

A

dorsal root ganglion

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2
Q

synapse of the primary sensory neuron will be in the ____________ on a secondary sensory neuron?

A

dorsal horn

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3
Q

what 7 muscle groups have dorsal primary ramus innervations?

A 
erector spinae
transversospinalis
splenius
levator costarum
interspinalis
intertransversarii
suboccipital
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4
Q

what is the subdivision of the visceral motor system with neurons aggregated along the GI tract is the?

A

enteric

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5
Q

what plexus lies between the circular and longitudinal muscle layers along the entire gut?

A

myenteric plexus of auerbach

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6
Q

what type of activity is the myenteric plexus of auerbach responsible for?

A

peristaltic

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7
Q

what lies between the circular layer and muscularis mucosa of the gut?

A

submucosal plexus of meissner

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8
Q

the submucosal plexus of meissner is responsible for what activity?

A

secretion and absorption

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9
Q

the sympathetic division is also known as?

A

thoracolumbar

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10
Q

the sympathetic division arises from which horn of the spinal cord?

A

lateral

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11
Q

what cord levels does the sympathetic division arise from?

A

T1-L2

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12
Q

how many paravertebral ganglia are present in the fetus?

A

62

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13
Q

how many paravertebral ganglia are present in the adult?

A

42

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14
Q

how many paravertebral cervical ganglia are present in the fetus? how many present in the adult

A

fetus: 8 pair
adult: 3 pair

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15
Q

how many paravertebral thoracic ganglia are present in the fetus? how many in the adult?

A

fetus: 12 pair
adult: 11 pair

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16
Q

how many paravertebral lumbar ganglia are present in the fetus? how many in the adult?

A

fetus: 5 pair
adult: 4 pair

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17
Q

how many paravertebral sacrum ganglia are present in the fetus? how many in the adult?

A

fetus: 5 pair
adult: 3 pair

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18
Q

how many paravertebral coccyx ganglia are present in the fetus? how many in the adult?

A

fetus: 1 pair
adult: absent

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19
Q

what forms from the fusion of C1-C4 paravertebral ganglia?

A

superior cervical ganglion

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20
Q

does the fusion of C1-C4 paravertebral ganglia cause a communication interruption to spinal nerves C1-C4?

A

no the communication is preserved

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21
Q

the fusion of which cervical paravertebral ganglia form the middle cervical ganglion?

22
Q

the fusion of which cervical paravertebral ganglia form the inferior cervical ganglion?

23
Q

if the paravertebral ganglia of T1 fuses with C7 and C8 it is known as?

Study These Flashcards
A

stellate/Cervicothoracic ganglion

24
Q

name the 3 most consistent prevertebral sympathetic ganglia?

Study These Flashcards
A

Celiac
superior mesenteric
inferior mesenteric

25
in the sympathetics, preganglionic fibers are ____ and postganglionic fibers are _____. (lengths)
preganglionic are short | postganglionic are long
26
what are the classifications of postganglionic sympathetic nerve fibers based on target organ?
Vasomotor Sudomotor Pilomotor Secretomotor
27
prevertebral and paravertebral ganglia communicate with each other via?
Splanchnic Nerve
28
what is the paravertebral ganglia origin of the cardiac splanchnic nerve?
Cervical ganglia | T1-T5 paravertebral ganglia
29
what is the paravertebral ganglia origin of the greater splanchnic nerve?
T5-T9 or T10 paravertebral ganglia
30
what is the paravertebral ganglia origin of the lesser splanchnic nerve?
T9, T10, T11 paravertebral ganglia
31
what is the paravertebral ganglia origin of the least/lower/third splanchnic nerve?
T12 paravertebral ganglion
32
what is the paravertebral ganglia origin of the lumbar splanchnic nerve?
lumbar paravertebral ganglion (L1-L4)
33
what is the synonym for the pelvic splanchnic nerves?
Nervi erigentes
34
name the 5 parts to the PNS?
``` ventral nerve root dorsal nerve root mixed spinal nerve ventral ramus dorsal ramus ```
35
what nerve fibers can be found in the ventral root of C4?
somatic motor fibers
36
what nerve fibers can be found in the ventral root of T9?
somatic motor fibers | preganglionic sympathetic fibers
37
what nerve fibers can be found in the dorsal root of S4?
Central sensory process
38
what nerve fibers can be found in the mixed nerve of C2?
Somatic motor fibers | Peripheral Sensory Process
39
what nerve fibers can be found in the mixed nerve of T4?
somatic motor fibers peripheral sensory process preganglionic sympathetic fibers
40
what nerve fibers can be found in the mixed nerve of S3?
somatic motor fibers peripheral sensory process preganglionic parasympathetic
41
what nerve fibers can be found in the dorsal ramus of T3?
somatic motor fibers peripheral sensory process postganglionic sympathetic fibers
42
what nerve fibers can be found in the dorsal ramus of S3?
somatic motor fibers peripheral sensory process postganglionic sympathetic fibers
43
what nerve fibers can be found in the ventral ramus of C3?
somatic motor fibers peripheral sensory process postganglionic sympathetic fibers
44
what nerve fibers can be found in the Ventral ramus of T2?
somatic motor fibers peripheral sensory process preganglionic sympathetic fibers postganglionic sympathetic fibers
45
what nerve fibers can be found in the ventral ramus of S4?
somatic motor fibers peripheral sensory process postganglionic sympathetic fibers preganglionic parasympathetic fibers
46
the extremities are innervated by _________ primary rami only.
ventral primary rami only
47
what are the three target sites for synapse for preganglionic sympathetic fibers in the heart pathway?
- synapse in paravertebral ganglia of origin T1-T4 or T5 - ascend to each of the cervical ganglia for synapse - synapse in the cardiac plexus itself
48
what is the adrenal medulla embrylogically derived from?
neural ectoderm
49
the adrenal medulla represents a modified ____________ ganglion.
modified sympathetic prevertebral ganglion
50
what cells of the adrenal medulla do preganglionic sympathetic fibers from T9-L2 synapse on?
chromaffin cells
51
when preganglionic sympathetic fibers from T9-L2 synapse of the chromaffin cells of the adrenal medulla it stimulates the release of?
catecholamines
52
the nervi erigentes synapses in ____________ located in or on the wall of the target organ.
intramural ganglia

Max Spinal 2 (4 decks)

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