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ICA3 > Neurophysiology > Flashcards

Neurophysiology Flashcards

1
Q

concerning the spinal cord: which statement is correct?

A

Information regarding balance is transmitted to the cerebral cortex via the dorsal spinocerebellar tract

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2
Q

Which one of the following somatic-motor tract control facial expression?

A

corticobulbar

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3
Q

damage to the cerebellum does not show the following sign:

A

amnesia

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4
Q

concerning control of ventilation:

A

the accessory muscles are important in forced breathing

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5
Q

What innervates facial expression?

A

corticobulbular

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6
Q

Fibres associated with dull pain

A

C-fibers

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7
Q

Muscle spindle only sensory organ:

A

Very sensitive to contraction

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8
Q

What is the symprom of a lower motor neuron lesion?

A

paralysis

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9
Q

What are the differences between upper/ lower motor neuron

A

UMN- CNS only

LMN- CNS or PNS

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10
Q

What does he reticular formation NOT perform

A

memory

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11
Q

Decussation of the corticospinal tract is at?

A

Medulla

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12
Q

Refractory period is defined as?

A

Period of hyperpolarisation when the membrane cannot be excited again (more negative than -70mV)

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13
Q

which tract is involved in the movement of the facial muscles?

A

Corticobulbar

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14
Q

What stuctures are in the basal ganglia?

A 
Globus pallidus
substantia nigra
Caudate nucleus
Putamen
Subthalamic nucleus
Nucleus accumbens
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15
Q

Which tract is a pyramidal tract?

A

corticobulbar

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16
Q

What is not a mechanoreceptor?

A

C-fibers

17
Q

What features are C-fibres associated with?

A

Dull pain
unmyelinated
slow transmission

18
Q

Which structure does not belong to the brain stem?

A

Cerebellum

19
Q

Where is noradrenaline synthesised?

A

Pre-ganglionic neurone

20
Q

Where does the corticospinal tract decussate?

A

Medulla

21
Q

Were is the cell body for the primary neurones in the spinothalamic tract?

A

Dorsal horn

22
Q

The afferent nerve in tendon organ reflex is the:

A

1b

23
Q

Which of these is not correct about BBB

A

multiple endothelial cells

24
Q

which is not a mechanoreceptor?

A

nociceptors

25
Q

lower motor neurone lesion

A

paralysis

26
Q

What’s the main sensory receptor in monosynaptic reflex?

A

Muscle spindle

27
Q

Where does the corticorspinal tract decussate?

A

Medulla

ICA3 (5 decks)

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