shorter Neuro lab final secondary Q's Flashcards

1
Q

area that surrounds the cerebral aqueduct that receives nociceptive info

A

periaqueductal grey

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2
Q

region that receives nociceptive info and projects to the serotonergic raphe nuclei–> part of a major pain-inhibiting pathway in the SC

A

periaqueductal grey

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3
Q

periaqueductal grey is a part of the _____ pathway in the SC

A

pain inhibiting pathway

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4
Q

tract that connects the vestibular nuclei with CN III, IV, and VI (occulomotor, troch, abducens)

A

Medial Longitudinal Fasciculus

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5
Q

tract that regulates vestibulo-occular reflexes and coordinations

A

medial longitudinal fasciculus

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6
Q

Descending fibers of voluntary motor control from the cortex and projecting to spinal cord (corticospinal and corticobulbar tracts). At the level of the midbrain, cortical input is ispilateral.

A

crus cerebri

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7
Q

crus cerebri has descending fibers of voluntary _____ control from the cortex and project to the SC

A

motor

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8
Q

crus cerebri contains what two tracts

A

corticospinal

corticobulbar

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9
Q

Sends descending fibers down to the rostral spinal cord via the rubrospinal tract

A

Red Nucleus

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10
Q

2 portions of the substantia nigra

A
pars compact (dop) 
pars reticulata (visual tracking)
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11
Q

neuronal loss in the ____ = Parkinsons

A

pars compacta

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12
Q

Parasympathetic, preganglionic nucleus of CN III.

A

nucleus of edinger westphal

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13
Q

EWN regulates pupillary light respinse through projections to the ____

A

ciliary gg (post gg that innervate the sphincter pupillae)

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14
Q

responsible for the accomidation reflex

A

nucleus of edinger westphal

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15
Q

Lower motor neuron nucleus of CN III.

A

oculomotor Nucleus

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16
Q

Part of the midbrain tectum (roof) that is involved in eye tracking and saccades.

A

superior colliculus

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17
Q

Part of basal ganglia circuit involving substantia nigra pars reticulata. Receives afferent input from frontal eye fields and visual association cortices and sends motor output to occulmotor nuclei and to the head and neck via the tectospinal tract.

A

superior colliculus

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18
Q

superior colliculus sends efferent info to the occulomotor nuclei, head and neck via the ____ tract

A

tectspinal tract

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19
Q

ventral portion of the pons

A

basis pontis

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20
Q

basis pontis carries the fibers of (4) nuclei

A

cortico-ponto-cerebelllar
corticospinal
corticobulbar
pontine nuclei

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21
Q

Space in ventral hindbrain containing CSF to cushion brain and provide nutrients. Contains choroid plexus.

A

IV ventricle

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22
Q

Dorsal portion of the pons

A

pontine tegmentum

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23
Q

comprises the floor of the floor of the IV ventricle

A

pontine tegmentum

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24
Q

cortico input travels ipsi to the pontine nucleus and then travels through the _____ to enter the cerebellum

A

middle cerebellar peduncle

coordinated movement info

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25
Q

What type of information is passed through the middle peduncle

A

coordinated movement info

26
Q

Most cerebellar efferent’s exit the cerebellum through this tract.

A

superior cerebellar peduncle

27
Q

____ tract enters the cerebellum through the superior peduncle

A

ventral spinocerebellar tract

28
Q

Major CNS center of norepinephrine production

A

locus ceruleus

29
Q

where is the locus ceruleus located

A

pons

30
Q

locus ceruleus is a part of the ascending reticular activating system that causes ___ & ___

A

arousal and alertness

31
Q

Most unconscious proprioceptive input enters the cerebellum through

A

inferior cerebellar peduncle

32
Q

(6 ) tracts that enter the cerebellum through the inferior peduncle

A
cuneocerebellar 
dorsal spinocerebellar 
rostral spinocerebellar 
vestibulocerebellar 
olivocerebellar 
trigeminal cerebellar
33
Q

inferior peduncle contains the cerebellar EFFERENT axons to the ____

A
vestibular nuclei 
(only efferent going through the inf. --- all other tracts are entering through the inf. into the cerebellum)
34
Q

preganglionic, parasympathetic motor nucleus of CN X

A

dorsal motor nucleus of X

35
Q

dorsal motor nucleus of X innervates what structures (4)

A

lungs
heart
stomach
GI tract

36
Q

Brainstem lower motor neuron pool containing axons that innervate muscles of the larynx and pharynx. Part of CN IX, X, XI

A

nucleus ambiguus

37
Q

location of the inferior olivary nucleus

A

medulla

38
Q

nucleus in the medulla that sends contralateral projections to the cerebellum via the olivocerebellar tract.

A

inferior olivary nucleus

39
Q

inferior olivary nucleus sends contralateral projections to the cerebellum via ___ tract

A

olivoverebellar tract

40
Q

fibers of the inferior oivary nucleus terminates as ___ fibers on purkinje cells

A

climbing fibers on purkinje cells

41
Q

___ nucleus of the medulla is Involved in learning unconscious motor tasks .

A

inferior olivary nucleus

42
Q

First synapse of afferent vestibular info from Scarpa’s ganglia

A

vestibular nuclei

43
Q

collection of primary sensory afferent cell bodies from the inner ear

A

vestibular nuclei

44
Q

vestibular nuclei projects to the cerebellum via the ___ pathway

A

vestibulocerebellar pathway

45
Q

vestibular nuclei projects to the oculomotor Ms via the ____

A

MLF

46
Q

vestibular nuclei sends projections dwn the SC to the trunk and extensor M via the ____ tract

A

vestibulospinal tract

47
Q

First synapse for temp., pain and light touch of the face.

A

spinal trigeminal Nucleus

48
Q

Receives fibers from CN V, VII, IX and X in relation to somatosensory input from the ear.

A

spinal trigeminal nucleus

49
Q

spinal trigeminal nucleus is a part of which tract

A

trigeminothalamic tract

50
Q

_____ nucleus is involved with trigeminal neuralgia

A

spinal trigeminal nucleus

51
Q

2nd order sensory fibers carrying fine touch/vibrotactile and conscious proprioceptive info to the VPL of the thalamus from the posterior/dorsal columns.

A

internal arcuate decussation

52
Q

internal arcuate decussation carries info from the dorsal columns to the ____

A

thalamus

53
Q

Ascending temp, pain and light touch pathway. Contralateral info at level of medulla

A

spinothalamics (ant and lateral)

54
Q

spinothalamics (ant. and lateral) has its input through the ____ and project to the thalamus

A

lissauers fasciulus

55
Q

Ascending, 2nd order sensory fibers carrying fine touch/vibrotactile and conscious proprioceptive from the posterior/dorsal columns.

A

Medial Lemniscus

56
Q

medial lemniscus carris infor to the ____ of the thalamus

A

VPL

57
Q

Responsible for “integrative” functions, including motor control, autonomic output, and regulation of behavioral state

A

reticular formation (at all levels of the brainstem)

58
Q

Rostral portion receives afferent gustatory (taste) input. Major cranial nerves with axons that synapse here: VII, IX, X

A

nucleus of the solitary tract

59
Q

First synapse for unconscious proprioceptive info for upper half of body.

A

accessory cuneate

60
Q

accessory cuneate sends afferent info throug the ___ tract

A

cuneocerebellar tract

61
Q

First synapse for fine touch/vibrotactile and conscious proprioceptive info for upper extremeties.

A

nucleus cuneatus

62
Q

efferent fibers from the nucleus cuneatus and gracilis are sent through the ___

A

medial emniscus