22. Cerebellum And Basal Ganglia Flashcards

1
Q
Most important function of cerebellum is :- 
By:- 
When cerebellum is impaired :- 
Patient cannot stop at :- 
Past pointing :- 
Cerebellum has 
.....cells 
......nuclei 
......parts/fuction
A

93

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2
Q
5 cells are 
All cells are :- 
Except :- 
1. 
2. 
3. 
4. 
5.
A

93

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3
Q
4 nuclei :- 
1. 
2. 
3. 
4.
A

93

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4
Q

3 parts / fuction : -
1.
2.
3.

A

93

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5
Q

Input ( afferent / sensory )
From 2 sources :-
1.
2.

A

94

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6
Q

Layers of cerebellum:-

  1. :- a) & b)
  2. :- a) & b )
A

94

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7
Q

Inferior olivary nucleus pathway :-

Spinal cord pathway:-

A

94

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8
Q

Feed forward inhibition :-
By :-
Stimulate :-

A

95

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9
Q

Parts of cerebellum :-
1.
2.
3.

A

95

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10
Q
Spinocerebellum :- 
Fuction :- 
Nucleus involved :- 
1. 
2. 
3.
A

95

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11
Q
Vestibulocerebellum :- 
Aka a :- 
Fuction 
1. 
2. 
3. 
Nucleus :-
A

95

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12
Q

New cerebellum :-
Fuction :-
Nucleus involved :-
Largest nucleus :-

A

95

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13
Q
Cerebellum lesion :- 
1. 
2. 
3. 
4. 
5. 
6. 
Only during :- .
A

96

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14
Q
Basal ganglia :- 
At rest it is :- 
Fuction 
1. 
2.
A

96

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15
Q
Nuclei in Basal ganglia :- and NT secreted :- 
1. 
2. 
3. 
4. 
5. 
Only excitatory is :-
A

96

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16
Q

Startu. =
Input neclei :-
Output nuclei :-
Let inform nucleus is :-

A

96;

17
Q

Basal Ganglia pathway :-
Direct pathway leads to :-
Indirect pathway :-

A

97

18
Q

Direct pathway

Inhibition of :-
Leads to :- 
Motor cortex :- 
Striatum ( caudate + putamen ) :- 
GP internus :- 
Thalamus ( VA nucleus )
A

97

19
Q

Inhibition of :-
Leads to :-
Motor cortex :-
Striatum ( caudate + putamen ) :-

GP EXTERNUS :-

Subthalamic nuclei

GP internus

Thalamus ( VA nucleus )

A

97

20
Q

Indirect pathway :-

GP externus :-
GP internus :-
The subthalamic nuclei escapes :-

A

98

21
Q
Substantial nigra :- 
NT :- 
Via D1 receptor 
Activates :- 
Cause :- 
Via D2 receptor :- 
Inhibit :- 

Overall activity of dopamine :-

A

98

22
Q
Basal Ganglia lesion :- 
Causes :- 
1. Chorea due to :- 
2.Athetosis due to :- 
3. Hemiballismus due to :- 

Absence of dopamine :-
Bradykinesia :-

Pill rolling tremors :-

A

98