Brainscape's Knowledge GenomeTM

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


See full index

CNS > Test 2 practice questions (old) > Flashcards

Test 2 practice questions (old) Flashcards

1
Q

A bundle of fibers that form a specific tract may also be called a ___

A

fasciculus

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

In general, ganglia are found in the ___, while groups of neurons in the __ are called nuclei.

A

PNS

CNS

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

Which region of neural plate forms PNS?

A

Neural crest

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

Filum terminale is remnant of what structure?

A

Pia Mater

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

Somatosensory cortex is located in the ___ gyrus

A

postcentral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Motor neurons within the ventral horns are examples of __ type neurons

A

Multipolar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Connection between most neurons in the mammalian NS is?

A

Synapse

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

Which axons leave spinal cord in the ventral root?

A

Somatic Motor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How many neurons participate in a stretch reflex such as the knee jerk reflex?

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Alpha motor neurons innervate….

A

Extrafusal motor fibers

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

Matching: Match neuron type with location. Options are Unipolar (pseudounipolar), Bipolar, Multipolar

Spinal Ganglion
Vestibular Ganglion
Outer pyramidal layer of cortex
DRG
Inner granule layer of cortex
A 
Multipolar
Bipolar
Multipolar
Unipolar (pseudounipolar)
Multipolar
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What structure(s) end at vertebral level S2?

A

Filum Terminale

Dural Sac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Where does conus medularis end?

A

2nd Lumbar

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

Most common type of synapse

A

Axodendritic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is a tract?

A

Bundle of fibers in the CNS

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

What CN exits the brainstem between the olive and pyramid?

A

Hypoglossal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

T/F Neurotransmitters reach terminal ends of axon by anterograde transport

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Which does not make up a part of coccygeal ligament?

A

Grey matter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Dentate ligament is made up of…

A

Pia Mater

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

The following structure belongs to metencephalon…

A

Facial colliculus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Inf. cerebellar peduncle attaches the __ to the cerebellum.

A

Medulla

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

The cauda equina is…

A

Lumbar and sacral roots extending inferior to the end of the cord.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What connects broca’s to wernicke’s area?

A

Arcuate association fibers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What Artery runs in lat. fissure?

A

Middle Cerebral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

What Artery supplies Lateral brain?

A

Middle Cerebral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What artery supplies visual cortex?

A

Posterior Cerebral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What lobe contains visual cortex?

A

Occipital

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

What deep vein goes to the straight sinus?

A

Great cerebral vein of galen

29
Q

Territory from which a sensory unit can be excited is known as…

A

Receptive field

30
Q

Receptors that respond to stimuli from the internal environment are known as…

A

Interoreceptors

31
Q

Aging on motor units results in??

A

Loss of motor neurons from the cord and stem

32
Q

FIbers cross where in the medulla?

A

Internal arcuate fibers

33
Q

The reticular formation is located where?

A

In the tegmentum of the midbrain, pons, and medulla

34
Q

What do primary afferent sensory receptors measure?

A

Rate of stretch

35
Q

What do secondary afferent sensory receptors measure?

A

How long stretch lasts

36
Q

What are specialized epithelial cells that act as touch receptors?

A

Merkel disc

37
Q

What artery supplies visual cortex?

A

Posterior Cerebral

38
Q

Where do fibers originate that form the gracile fasciculus?

A

Upper half of spinal cord

39
Q

Nuclear bag fibers receive ___ and ___ fibers

A

Ia primary afferent

Group II afferent

40
Q

There are __ pairs of spinal nerves in the spinal cord.

A

31

41
Q

Corticospinal tract descends in the ___ limb of the internal capsule and is originated in the __ cortex

A

Posterior/ motor

42
Q

In the spinal cord, the marginal zone mainly consists of fibers and ___.

A

Mature cells

43
Q

Which tract releases serotonin at the spinal cord level?

A

Raphe spinal

44
Q

Unconscious proprioceptive fibers of fasciculus cuneus terminate in the ___ nucleus

A

Accessory cuneate

45
Q

The ___ tract is concerned with intersegmental spinal reflexes.

A

Fasciculus Proper

46
Q

The origin or rubrospinal tract is located in the red nucleus of the ___

A

Midbrain

47
Q

The ___ tract originates in the Sup. Colliculus

A

Tectospinal

48
Q

What structure gives rise to lateral corticospinal tract?

A

Pyramidal decussation

49
Q

The spinal lemniscus (Spinothalamic Tract) is concerned with ___ functional components

A

GSA

50
Q

Which tract decussates in the midbrain?

A

Ventral spinocerebellar

51
Q

Involuntary motor control tracts terminate mainly in which lamina?

A

7, 8, some of 9

52
Q

Which nuclei is part of auditory pathway?

A

Inf. Colliculus

53
Q

ANterior horn consists of Rexed lamina or laminae ___

A

IX

54
Q

Which vessel supplies the majority of the lateral side of cerebrum?

A

Middle Cerebral

55
Q

which cerebellar nucleus is biggest in humans?

A

Dentate

56
Q

Where are postganglionic sympathetic bodies located?

A

Near target organ

57
Q

Which system cant be mapped in the brain?

A

Olfactory

58
Q

Which CN has four nuclei in the brain?

A

VIII

59
Q

WHich artery is biggest branch off of internal carotid artery?

A

Middle cerebral

60
Q

AT which level does the pathway for pain and temperature sensation for the lower limbs cross the midline?

A

lumbosacral spinal cord

61
Q

The circuit for explained emotion is the __ and is involved with the limbic system

A

Papez circuit

62
Q

SPinal cord segments that form the cervical enlargement

A

C5-T1

63
Q

___ nucleus is necessary for pupillary light reflex

A

Pretectal

64
Q

What NT causes inhibition in the motor circuit of the cortex?

A

GABA

65
Q

Which NT causes excitation in motor nucleus of cortex?

A

Glumatime

66
Q

Purkinje cell is primarily __ in function

A

Inhibitory

67
Q

Mossy cell fibers are primarily __ in function

A

Excitatory

68
Q

Spinocerebellum controls ___ type movement

A

Gross

69
Q

Pontocerebellum controls ___ type movements

A

FIne

CNS (6 decks)

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