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

Corticospinal fibers are association type fibers

A

False

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

Neurotransmitters are released at synapses and also at NMJ

A

True

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

Loss of ___ would result from a lesion of the lateral corticospinal tract?

A

Ipsilateral voluntary motor control

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

The ___ tract is concerned with intersegmental spinal reflexes?

A

Fasciculus proper

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

Which of the following structures gives rise to the lateral corticospinal tract?

A

Pyramidal decussation

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

Which of the following tracts decussates in the midbrain?

A

Ventral Spinocerebellar

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

The involuntary motor control tracts terminates mainly in lamina

A

7, 8, and some of 9

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

I’m trying to get a glass of water and my hand trembles more and more as it gets closer to the glass. What is the problem?

A

Lesion in the cerebellum

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

Sensory structures i the medulla are ____ to the sulcus laminates, but in the spinal cord they are ____

A

Later then dorsal

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

The anterior corticospinal tract ___

A

Crosses the midline of the spinal cord

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

The nerve fibers of the solitary tract ____

A

Modulate cardiac and respiratory function

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The post spinocerenellar tract originates from the neurons located in _____

A

Dorsal nucleus of Clarke

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

The reticular formation ____

A

Goes everywhere and does everything

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

At what level doe sth pathway for pain and temperature sensation for the lower lips cross the midline?

A

Lumbosacral spinal cord

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

All the following are true of the VPL nucleus except

A

Project to the cingulate gyrus

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

Spinal cord segments ___ form the cervical enlargement

A

C5-T1

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

The greatest diameter of the lumbar enlargement is located at?

A

T12

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

The Dorsal Nucelus of Clarke is located w/in what lamina?

A

7

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

Which of the following tracts is concerned with sensation of pain and temperature?

A

Spinothalamic

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

Mossy cell fibers are primarily ___ in fxn

A

Excitatory

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

The spinocerebellum controls ____ type movement

A

Gross

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

The Pontocerebellum controls ____ type of movement

A

Fine

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

Blood drains out of the cranium through the?

A

Internal Jugular Vein

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

What artery runs with the lateral sulcus?

A

Middle Cerebral

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

What supplies the visual cortex?

A

Posterior cerebral artery

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

Which drains deep

A

Great Vein of Galen

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

What crosses the corpus collosum?

A

Anterior Cerebral Artery

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

What drains the internal structures of the brain?

A

Great Cerebral Vein of Galen

29
Q

Which drains the brain?

A

Internal Jugular V

30
Q

What artery supplies the lateral cerebrum?

A

Middle Cerebral Artery

31
Q

What supplies blood to the inferior part of the temporal lobe?

A

Posterior Cerebral A

32
Q

2nd order neurons

A

Dorsal nucleus of clarke

33
Q

Upper arm

A

Cuneate nucleus

34
Q

What does the ARAS do?

A

Awareness

35
Q

Sensory info arriving at one side of the body or head typical reaches the cerebral cortex of the contralateral side. The axons that cross the midline to accomplish this are the axons of?

A

2nd order neurons

36
Q

Which pathway carries pain sensation to the cerebrum?

A

Spinothalamic

37
Q

A 63 year old man has a loss of discriminative touch, vibratory sense, and proprioception on his right arm. Where are the cell bodies for the 2nd order neurons in the pathway located?

A

Cuneate Nucleus

38
Q

Dermatome of upper arm

A

C7

39
Q

Type of nocioceptor

A

Free nerve ending

40
Q

Stimulus of a stretch receptor

A

Muscle spindle/Gama

41
Q

Follicular receptor

A

MEchanorecepto

42
Q

Which of the following is not encapsulated?

A

Merkel’s/Follicular/Free nerve endings

43
Q

Which of the following is for vibration?

A

Pacinian

44
Q

Left arm, left leg weakness

A

Right Cerebellum

45
Q

Patellar reflex is an example of?

A

Myotatic

46
Q

Fibers cross

A

withdrawl reflex

47
Q

What does not contain corticobulbar fibers?

A

Pyramid

48
Q

Aging motor units

A

Decrease over time

49
Q

Upper arm

A

Cuneate tract

50
Q

Muscle Contraction

A

Gamma

51
Q

Excessive contraction prevented by

A

Golgi tendon organ

52
Q

Which receptors are w/in the body?

A

Interoreceptors

53
Q

The vestibulospinal tract nucleus is located in?

A

Lateral vestibular nucleus

54
Q

What is the cerebral aqueduct

A

B/t 3rd and 4th ventricle

55
Q

Gracile Fasciculus/nucleus located at?

A

DRG

56
Q

Gracile Fasciculus fibers cross at?

A

Internal arcuate fibers

57
Q

What are alpha motor neurons found?

A

Gray matter of spinal cord

58
Q

Proprioceptive sensation of ht lower limb is carried by which tract?

A

Gracile

59
Q

The nucleus of the dorsalis is located in the spinal cord at the segmental levels

A

T1-L2

60
Q

Which reflex requires synapses over several spinal segments?

A

Withdrawl Reflex

61
Q

Neurons in the spinal ganglia are

A

Pseudounipolar

62
Q

Why is the cervical region of the spinal cord the largest?

A

It contains the most white matter

63
Q

What is the primary transmitter secreted at the NMJ

A

Ach

64
Q

A simultaneous and opposite pattern of activity in the contralateral limb is known as?

A

Crossed effect

65
Q

The area of skin that is innervated by a single nerve and its receptors

A

Receptive Field

66
Q

Stimulus of a stretch receptor

A

Muscle Spindle

67
Q

Follicular receptor

A

Mechanoreceptor

68
Q

Which of the following is for vibration

A

Pacinian

69
Q

How many neurons in a reflex?

A

2

CNS (5 decks)

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