shorter Neuro lab final secondary Q's

Question 1

area that surrounds the cerebral aqueduct that receives nociceptive info

Answer 1

periaqueductal grey

Question 2

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

Answer 2

periaqueductal grey

Question 3

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

Answer 3

pain inhibiting pathway

Question 4

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

Answer 4

Medial Longitudinal Fasciculus

Question 5

tract that regulates vestibulo-occular reflexes and coordinations

Answer 5

medial longitudinal fasciculus

Question 6

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.

Answer 6

crus cerebri

Question 7

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

Answer 7

motor

Question 8

crus cerebri contains what two tracts

Answer 8

corticospinal

corticobulbar

Question 9

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

Answer 9

Red Nucleus

Question 10

2 portions of the substantia nigra

Answer 10

pars compact (dop) 
pars reticulata (visual tracking)

Question 11

neuronal loss in the ____ = Parkinsons

Answer 11

pars compacta

Question 12

Parasympathetic, preganglionic nucleus of CN III.

Answer 12

nucleus of edinger westphal

Question 13

EWN regulates pupillary light respinse through projections to the ____

Answer 13

ciliary gg (post gg that innervate the sphincter pupillae)

Question 14

responsible for the accomidation reflex

Answer 14

nucleus of edinger westphal

Question 15

Lower motor neuron nucleus of CN III.

Answer 15

oculomotor Nucleus

Question 16

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

Answer 16

superior colliculus

Question 17

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.

Answer 17

superior colliculus

Question 18

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

Answer 18

tectspinal tract

Question 19

ventral portion of the pons

Answer 19

basis pontis

Question 20

basis pontis carries the fibers of (4) nuclei

Answer 20

cortico-ponto-cerebelllar
corticospinal
corticobulbar
pontine nuclei

Question 21

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

Answer 21

IV ventricle

Question 22

Dorsal portion of the pons

Answer 22

pontine tegmentum

Question 23

comprises the floor of the floor of the IV ventricle

Answer 23

pontine tegmentum

Question 24

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

Answer 24

middle cerebellar peduncle

coordinated movement info

Question 25

What type of information is passed through the middle peduncle

Answer 25

coordinated movement info

Question 26

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

Answer 26

superior cerebellar peduncle

Question 27

____ tract enters the cerebellum through the superior peduncle

Answer 27

ventral spinocerebellar tract

Question 28

Major CNS center of norepinephrine production

Answer 28

locus ceruleus

Question 29

where is the locus ceruleus located

Answer 29

pons

Question 30

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

Answer 30

arousal and alertness

Question 31

Most unconscious proprioceptive input enters the cerebellum through

Answer 31

inferior cerebellar peduncle

Question 32

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

Answer 32

``` cuneocerebellar dorsal spinocerebellar rostral spinocerebellar vestibulocerebellar olivocerebellar trigeminal cerebellar ```

Question 33

inferior peduncle contains the cerebellar EFFERENT axons to the ____

Answer 33

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

Question 34

preganglionic, parasympathetic motor nucleus of CN X

Answer 34

dorsal motor nucleus of X

Question 35

dorsal motor nucleus of X innervates what structures (4)

Answer 35

lungs heart stomach GI tract

Question 36

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

Answer 36

nucleus ambiguus

Question 37

location of the inferior olivary nucleus

Answer 37

medulla

Question 38

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

Answer 38

inferior olivary nucleus

Question 39

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

Answer 39

olivoverebellar tract

Question 40

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

Answer 40

climbing fibers on purkinje cells

Question 41

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

Answer 41

inferior olivary nucleus

Question 42

First synapse of afferent vestibular info from Scarpa’s ganglia

Answer 42

vestibular nuclei

Question 43

collection of primary sensory afferent cell bodies from the inner ear

Answer 43

vestibular nuclei

Question 44

vestibular nuclei projects to the cerebellum via the ___ pathway

Answer 44

vestibulocerebellar pathway

Question 45

vestibular nuclei projects to the oculomotor Ms via the ____

Answer 45

MLF

Question 46

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

Answer 46

vestibulospinal tract

Question 47

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

Answer 47

spinal trigeminal Nucleus

Question 48

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

Answer 48

spinal trigeminal nucleus

Question 49

spinal trigeminal nucleus is a part of which tract

Answer 49

trigeminothalamic tract

Question 50

_____ nucleus is involved with trigeminal neuralgia

Answer 50

spinal trigeminal nucleus

Question 51

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

Answer 51

internal arcuate decussation

Question 52

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

Answer 52

thalamus

Question 53

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

Answer 53

spinothalamics (ant and lateral)

Question 54

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

Answer 54

lissauers fasciulus

Question 55

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

Answer 55

Medial Lemniscus

Question 56

medial lemniscus carris infor to the ____ of the thalamus

Answer 56

VPL

Question 57

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

Answer 57

reticular formation (at all levels of the brainstem)

Question 58

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

Answer 58

nucleus of the solitary tract

Question 59

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

Answer 59

accessory cuneate

Question 60

accessory cuneate sends afferent info throug the ___ tract

Answer 60

cuneocerebellar tract

Question 61

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

Answer 61

nucleus cuneatus

Question 62

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

Answer 62

medial emniscus