Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

CNS > EXAM #2 > Flashcards

EXAM #2 Flashcards

1
Q 
Which neuron projects the cerebral cortex somatosensory sensory pathway?
A. First-quarter 
B. Second order 
C. Third order 
D. Fourth order
A

C. Third order

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

True or false The Raphespinal tract modulates sensory information between the first and second order neurons

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q 
Most of the fibers of the anterior corticospinal tract…
A. Cross the midline of the Medulla
B. Cross the midline of the spinal cord
C. Cross the midline of the pons
D. Remain uncrossed
A

B. Cross the midline of the spinal cord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q 
The posterior spinocerebellar tract originates from which you nucleus?
A. Lumbosacral
B. Dorsal thoracic
C. Phrenic
D. Accessory cuneate
A

B. Dorsal thoracic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q 
Which transmitter influences movement?
A. Adrenaline
B. Serotonin
C. Dopamine
D. Acetylcholine
A

D. Acetylcholine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q 
Where are the lower motor neuron's that innervate the hand located?
A. Ventromedial nucleus
B. Intermediolateral nucleus
C. Retro dorsal nucleus
D. Central nucleus
A

B. intermediolateral nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q 
Proprioceptive sensation of the upper limb is carried by which tract?
A. Anterior spinothalamic
B. Gracile
C. Lateral spinothalamic
D. Cuneate
A

D. Cuneate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which is not true of the reticular formation?
A. The neurons are far reaching
B. It is somewhat poorly organized
C. It has developed recently in the animal kingdom
D. It is mainly fibers

A

C. It has developed recently in the animal kingdom

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q 
Which does not contain cortiobulbar fibers?
A. Cerebral peduncle
B. Lateral corticospinal
C. Corona radiata
D. Pyramid
A

B. Lateral corticospinal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q 
Which pathway carries pains and station to the cerebrum?
A. Raphespinal 
B. Spinotectal
C. Spinothalamic 
D. Medial Lemniscus
A

A. Raphespinal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

True or false The reticular formation connects either directly or indirectly with levels of the central nervous system

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q 
Where are alpha motor neurons found?
A. Tegmentum of the brainstem
B. Gray matter of the spinal cord
C. White matter of the telencephalon 
D. Anterior surface of the brain stem
A

B. Gray matter of the spinal cord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q 
Renshaw cells
A. Excite motor neurons
B. Are upper motor neuron
C. Inhibit motor neurons
D. Are lower motor neuron's
A

C. Inhibit motor neurons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

True or false the internal capsule contains a sending and descending fibers

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q 
The vestibulospinal tract is composed of fibers derived from the:
A. Lateral vestibular nucleus
B. Medial vestibule nucleus
C. Superior vestibular nucleus
D. Inferior vestibular nucleus
A

A. Lateral vestibular nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Sensory information typically reaches the cerebral cortex of the contralateral side. The axons that cross the midline to accomplish this are from the
A. Thalami neurons
B. First order neuron
C. Second order or higher order neurons
D. Could be any of the bad depending on the pathway

A

C. Second order or higher order neurons

17
Q 
The fibers of the cuneate fascicle goal originate from neurons located in the
A. Pyramid
B. Dorsal root ganglion
C. Dentate nucleus
D. Olive
A

B. Dorsal root ganglion

18
Q 
Which nucleus is in the midline?
A. Paramedian
B. Medial
C. Central
D. Raphe
A

D. Raphe

19
Q 
Which contains descending upper motor fibers?
A. Pyramid
B. Cerebral peduncle
C. Internal capsule
D. All of the above
A

D all of the above

20
Q 
Which cerebellar  pathway has fibers that cross?
A. Cuneospinocerebellar
B. Anterior spinocerebellar
C. Rostral spinocerebellar
D. Posterior Spinocerebellar
A

A. Anterior spinocerebellar

21
Q 
What transmitter is secreted by raphae neurons?
A. Noradrenaline
B. Dopamine
C. Serotonin
D. Acetylcholine
A

C. serotonin

22
Q 
The ascending reticular activating system (ARAS) controls which particular function?
A. Awareness
B. Modulating muscle tone
C. Control of breathing
D. Sensation of pain
A

A. Awareness

23
Q 
Where is the reticular formation?
A. Anterior surface of the brain stem
B. Middle of the brainstem
C. White matter of the telencephalon 
D. Gray matter of the spinal cord
A

B. Middle of the brainstem

24
Q 
Where are the third order neurons of the somatosensory pathway located?
A. Thalamus 
B. Cerebrum
C. Medulla
D. Cerebellum
A

A. Thalamus

25
Q 
What are the crossing fibers originating from the gracile nucleus called?
A. Pyramidal decussation
B. Corpus callosum
C. Anterior weight commissure
D. Internal arcuate fibers
A

D. Internal arcuate diapers

CNS (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions