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Cns Final > Form A 2014 > Flashcards

Form A 2014 Flashcards

1
Q

How many functional components are in the brainstem

A

7

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2
Q

Parallel fibers come from which of the following

A

Granule sells

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3
Q

What is the most rostral part of the central nervous system

A

Tellencephalon

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4
Q

Which transmitter influences movement

A

Dopamine

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5
Q

Which bundle of nerve fibers contains the central branches of the primary sensory neurons that provide for general sensation not taste from the posterior third of the tongue

A

Spinal trigeminal tract

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6
Q

The parasympathetic preganglionic neuron’s to the heart are located in the

A

Nucleus ambiguous

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7
Q

Which cerebellar pathway has fibers that cross

A

Anterior spinocerebellar

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8
Q

A receptor that monitors events within the body is called

A

Enteroceptor

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9
Q

Where are the cell bodies of the neuron form the old factory nerve

A

In the olfactory bulb

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10
Q

Which nucleus is the midline

A

Raphe

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11
Q

Where are descending upper motor fibers found

A

Cerebral peduncle
Pyramid
Internal capsule

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12
Q

Where are the lower motor neurons that innervate the hand located

A

Intermediolateral nucleus

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13
Q

The posterior spinocerebellar tract originates from which nucleus

A

Dorsal thoracic (Clarke)

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14
Q

Ascsending fibers of the medial longitudinal fasciculus MLF end in the

A

Oculomotor nuclei

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15
Q

What lobe contains the auditory cortex

A

Temporal

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16
Q

The cause of the most common basal ganglia disorder is

A

Dopamine depletion in the substantia nigra

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17
Q

The Purkinje cells of the pronto cerebellum projects fibers mainly to the nucleus

A

Dent ate

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18
Q

Which thalamic nucleus is a relay for somatosensory pathways

A

Ventral posterior

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19
Q

What is the most common type of glial cell

A

Astrocyte

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20
Q

Where are alpha motor neurons found

A

Gray matter of the spinal cord

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21
Q

What is a CNS fiber tract

A

A bundle of nerve fibers with the same function

22
Q

What sulcus Fisher splits the cerebral hemispheres

A

Longitudinal

23
Q

Which artery passes over the corpus callosum

A

Anterior cerebral

24
Q

Which artery supplies most of the lateral cerebrum

A

Middle cerebral

25
Q

Where are the third order neurons of a somatosensory pathway located

A

Thalamus

26
Q

Which statement is true

A

Crossing of a sending fibers at more than one level provides exclusive representation of the contralateral cochlea in the primary auditory cortex

27
Q

Normally, both pupils respond with construction when a light is shone into either Eye . Identify a lesion in which, when a light is shone into the right retina, the left pupil response but the right does not

A

Transection of the right oculomotor nerve

28
Q

What kind of receptor is a muscle spindle

A

Nociceptor free nerve endings

29
Q

What are the functional units of the central nervous system

A

Neurons

30
Q

The principal output neurons of the cerebral cortex are

A

Pyramidal cells

31
Q

The lamina of Rexed that collectively form the posterior horn of the spinal cord are

A

1-6

32
Q

The sacr elements of the spinal cord may be crushed by a fracture of which vertebra

A

L1

33
Q

What part of the internal capsule lies between the Thalamus and the putamen

A

Posterior limb

34
Q

In Monty Python and the holy Grail the character runs away…..

A

Sympathetic nervous system

35
Q

Which sulcus separates the primary motor cortex from the somatosensory cortex

A

Central

36
Q

What is not part of the Epithalamus

A

Reticular nucleus

37
Q

Why are neurons of the olfactory epithelium unique

A

They’re the only neurons that continue to be produced and regularly replaced throughout adult life

38
Q

Which cranial nerve carries taste sensation from back of throat to back of epiglottis

A

Vagus

39
Q

Which functional component do the trochlear oculomotor and hypoglossal nerves have in common

A

Gse

40
Q

The pelvic splanchnic nerves are composed of….

A

Parasympathetic preganglionic fibers

41
Q

Which fiber is stimulated by stretching the muscle spindle

A

Gamma

42
Q

How much cerebral spinal fluid is flowing through the ventricles subarachnoid space….

A

150 ml

43
Q

Which pair of nerves innervate the tensor tympani and stapedius muscle

A

Trigeminal and facial

44
Q

Where is the spinal organ of corti located

A

Trochlear duct

45
Q

If a dye which is a very large molecule is administered intravenously it will stain neurons in what location

A

Circumventricular organs

46
Q

The vestibular system is connected ipsilaterally with which part of the cerebellum

A

Vermis

47
Q

Which are derivatives of the neural crest cells

A

Glial cells of the Cns

48
Q

The cerebral aqueduct is located in the

A

Midbrain

49
Q

Which Deematome is located on the upper limb

A

C7

50
Q

Some mitral cell axons cross at the

A

anterior commissure

Cns Final (2 decks)

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