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MEDSCI 142 > Nervous System > Flashcards

Nervous System Flashcards

1
Q

Where is Broca’s Area located?

A

Frontal Lobe

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2
Q

What is the role of Exener’s Area?

A

Plan and Execute Hand Movements

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3
Q

Where is Wernicke’s Area?

A

Temporal Lobe

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4
Q

What Cortex is Wernicke’s Area Associated with?

A

Auditory

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5
Q

What connects Broca’s and Wernicke’s?

A

The Arcuate Fasciculus

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6
Q

What results in motor aphasia?

A

A lesion in Broca’s

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7
Q

What results in sensory aphasia?

A

A lesion in Wernicke’s

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8
Q

Upper motor neurons are associated with…

A

Spastic paralysis

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9
Q

Lower motor neurons are associated with…

A

Flaccid paralysis

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10
Q

Efferent nerves travel in the

A

dorsal root (as they are motor output)

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11
Q

Discriminative touch is associated with…

A

Touch and pressure

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12
Q

The innermost layer of the spinal cord is…

A

Pia Mater

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13
Q

Where are the cell bodies of somatic motor neurons located?

A

Anterior grey horn

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14
Q

Where are the cell bodies of autonomic motor neurons located?

A

Lateral grey horn

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15
Q

Gracile nucleus is associated with…

A

Lower limbs

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16
Q

1st order neurons of the medial lemniscal pathway terminate where?

A

gracile/cunneate nucleus

17
Q

Where does the medial lemniscus run from and to?

A

The gracile/cunneate nucleus to the thalamus

18
Q

Where do neurons for discriminative sensation decussate?

A

Internal arcuate fibers

19
Q

What information is carried via the Spinothalamic tract?

A

pain and temperature

20
Q

Where do pain and temperature 2nd order neurons travel to and from?

A

The grey matter of the spinal cord to the thalamus

21
Q

Where do spinothalamic neurons decussate?

A

Anterior white commissure

22
Q

A lesion on the spinal cord results in…

A

Dissociative sensory loss

23
Q

Loss of opposite sides of. body for different lesion locations occurs in the…

A

Medial lemniscal pathway

24
Q

Where are lower motor neurons located?

A

In lamina 8 and 9 of the spinal cord

25
Q

What makes up the basal ganglia?

A

Caudate nucleus and putamen

26
Q

Which area communicates with the basal ganglia system to coordinate movement?

A

Broca’s

27
Q

What holds GABA ready to fire?

A

Dopamine

28
Q

How much glutamate do you need to activate GABA?

A

A single drop

29
Q

What causes Parkinson’s?

A

Inhibition of Glutamate

30
Q

Where are Upper Motor Neurons located?

A

Primary motor cortex

MEDSCI 142 (4 decks)

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