NEUROANATOMY CHARUSEA Flashcards

1
Q
. What nerve fibre convey impulses towards cell
body of a neuron?
a. Axon
b. Dendrites
c. Axon collaterals
d. Axon terminals
A

b. Dendrites

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2
Q
. Myelin sheath on peripheral nerves is contributed
by:
a. Axon itself
b. Secretory vesicles
c. Schwann cells
d. Cell bodies of neuron
A

c. Schwann cells

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3
Q

A neuron with many dendrites arising from cell
body and carrying impulses away from the neuron
via the axon is:
a. Multipolar
b. Bipolar
c. Unipolar and sensory
d. Bipolar and motor

A

d. Bipolar and motor

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4
Q
The grey appearance of spinal grey matter is due
to:
a. Neuronal body
b. Neuroglia
c. Neurites
d. Blood vessels
A

a. Neuronal body

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5
Q
Which type of cells helps regulate composition of
CSF?
a. Astrocyte
b. Oligodendeocyte
c. Microglia
d. Ependymal
A

d. Ependymal

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6
Q
. Name the type of neuroglial cells that aid regeneration by forming a regeneration tube to help establish
firm connection.
a. Schwann
b. Astrocytes
c. Microglial
d. Ependymal
A

a. Schwann

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7
Q

What cells conduct message towards brain?

a. Motor neuron
b. Sensory neuron
c. Interneuron
d. Neuroglia

A

b. Sensory neuron

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8
Q

Myelin sheath is produced by:

a. Neuron
b. Axon
c. Dendrite
d. Schwann’s cells/oligodendrocyte

A

d. Schwann’s

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9
Q

The three regions of brainstem are:

a. Cerebrum, diencephalon, midbrain
b. Pons, cerebellum, midbrain
c. Diencephalon, midbrain, cerebrum
d. Midbrain, pons, medulla oblongata

A

d. Midbrain, pons, medulla oblongata

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10
Q

Three parts of hindbrain are:

a. Cerebrum, pons, cerebellum
b. Pons, medulla oblongata, cerebellum
c. Pons, midbrain, cerebellum
d. Thalamus, pons, cerebellum

A

b. Pons, medulla oblongata, cerebellum

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11
Q
Which sequence lists cranial meninges in order
from superficial to deep?
a. Pia, arachnoid, dura
b. Dura, pia, arachnoid
c. Dura, arachnoid, pia
d. Arachnoid, dura, pia
A

c. Dura, arachnoid, pia

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12
Q
In region where two layers of dura mater separate,
the gap between them contains:
a. Dural venous sinus
b. Epidural veins
c. Subdural fluid
d. Subarachnoid fluid
A

a. Dural venous sinus

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13
Q

Largest of cranial dural partition is:

a. Diaphragma sellae
b. Falx cerebri
c. Tentorium cerebelli
d. Falx cerebelli

A

b. Falx cerebri

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14
Q
Dura and arachnoid extend up to the lower border
of which vertebra?
a. 2nd lumbar
b. 3rd lumbar
c. 2nd sacral
d. 5th sacral
A

c. 2nd sacral

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15
Q

CSF perform which of the following functions?

a. Provide buoyancy for brain
b. Cushion neural structure from sudden jerks
c. Deliver nutrition and chemical messengers
d. All of the above

A

d. All of the above

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16
Q

Which structure produces CSF in each ventricle?

a. Choroid plexus
b. Arachnoid villus
c. Arachnoid granulation
d. Diaphragma sellae

A

a. Choroid plexus

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17
Q
From subarchnoid space, CSF flows into dural
venous sinus through:
a. Lateral apertures
b. Median aperture
c. Arachnoid villi
d. Arachnoid trabeculae
A

c. Arachnoid villi

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18
Q

Blood–brain barrier of CNS is missing or markedly
reduced in which of the following locations?
a. Spinal cord and cerebellum
b. Pituitary gland and thalamus
c. Choroid plexus, pons and medulla oblongata
d. Choroid plexus, hypothalamus and pineal gland

A

d. Choroid plexus, hypothalamus and pineal gland

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19
Q

How much is the total volume of CSF in ml?

a. 50
b. 100
c. 150
d. 275

A

c. 150

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20
Q

In spinal cord, myelin sheath is formed by:

a. Schwann cells
b. Oligodendrocytes
c. Astrocytes
d. Microglia

A

b. Oligodendrocytes

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21
Q

. Medial lemniscus carries:
a. Pain and temperature sensation from trunk and
limbs
b. Proprioceptive sensations from trunk and limbs
c. Proprioceptive sensation from head
d. Auditory sensation

A

b. Proprioceptive sensations from trunk and limbs

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22
Q

Regarding spinal cord, the following are true, except:
a. It has cervical and lumbar enlargements
b. It ends in adults at lower border of 3rd lumbar
vertebra
c. It is traversed by the central canal
d. It begins at level of foramen magnum as a
continuation of medulla oblongata

A

b. It ends in adults at lower border of 3rd lumbar

vertebra

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23
Q

. Regarding corticospinal tract, all of the following
are true, except:
a. Most of fibres decussate at lower end of medulla
oblongata
b. It arises from motor area of cerebral cortex
c. It ends in anterior horn cells
d. Its lesion at level of pons produces paralysis of
ipsilateral side

A

c. It ends in anterior horn cells

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24
Q

Injury of lateral spinothalamic tract results in:

a. Ipsilateral loss of pain and temperature
b. Contralateral loss of touch and pressure
c. Contralateral loss of pain and temperature
d. None of the above

A

c. Contralateral loss of pain and temperature

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25
Q
Following tracts are present in lateral white column,
except:
a. Lateral spinothalamic
b. Rubrospinal
c. Ventral spinocerebellar
d. Fasciculus gracilis
A

d. Fasciculus gracilis

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26
Q

Regarding spinal cord, all are true, except:

a. It ends in adults at lower border of L1
b. The cord is covered by 3 meninges
c. It shows thoracic and lumbar enlargements
d. Grey matter occupy its central part

A

c. It shows thoracic and lumbar enlargements

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27
Q

Lateral corticospinal tract terminates at:

a. Clarke’s column
b. Substantia gelatinosa
c. Anterior horn cells of spinal cord
d. Ventroposterolateral nucleus of thalamus

A

c. Anterior horn cells of spinal cord

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28
Q

Pyramidal fibres mostly arise from Brodmann’s
cortical area:
a. 3, 1, 2

b. 8
c. 4
d. 18

A

c. 4

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29
Q

Which of the following tracts contains primary
afferent neuron fibres?
a. Fasciculus gracilis and fasciculus cuneatus
b. Anterior spinothalamic
c. Lateral spinothalamic
d. Dorsal spinocerebellar

A

a. Fasciculus gracilis and fasciculus cuneatus

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30
Q
Cranial nerves which innervate extraocular muscles
include:
a. Oculomotor, abducent and trochlear
b. Abducent, facial and trigeminal
c. Trochlear, oculomotor and facial
d. Oculomotor, facial and trigeminal
A

a. Oculomotor, abducent and trochlear

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31
Q

The 3 divisions of trigeminal nerve include:

a. Oculomotor, palatine and lingual
b. Ophthalmic, maxillary and mandibular
c. Ophthalmic, palatine and lingual
d. Frontal, maxillary and mandibular

A

b. Ophthalmic, maxillary and mandibular

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32
Q

Cranial nerve that does not pass through superior
orbital fissure in skull:
a. Oculomotor

b. Trochlear
c. Facial
d. Abducent

A

c. Facial

33
Q

Cranial nerve that are mainly sensory of:

a. Optic, vestibulocochlear and vagus
b. Ophthalmic, optic and facial
c. Ophthalmic, optic and vestibulocochlear
d. Optic, olfactory and vestibulocochlear

A

d. Optic, olfactory and vestibulocochlear

34
Q

Cranial nerves that carry taste from the tongue are:

a. Trigeminal, facial and glossopharyngeal
b. Facial, glossopharyngeal and hypoglossal
c. Facial, glossopharyngeal and accessory
d. Facial, glossopharyngeal and vagus

A

d. Facial, glossopharyngeal and vagus

35
Q
The cranial nerve that arise from both brain as well
as spinal cord:
a. Hypoglossal
b. Accessory
c. Vagus
d. Glossopharyngeal
A

b. Accessory

36
Q
  1. Which cranial nerve does not pass through jugular
    foramen?
    a. Glossopharyngeal

b. Vagus
c. Accessory
d. Hypoglossal

A

d. Hypoglossal

37
Q

Which is not a cranial nerve?
a. Vagus

b. Glossopharyngeal
c. Phrenic
d. Hypoglossal

A

c. Phrenic

38
Q

Which structure is not innervated by vagus?
a. Small intestine

b. Heart
c. Stomach
d. Sternocleidomastoid

A

d. Sternocleidomastoid

39
Q
Which cranial nerve innervates muscle that raises
the upper eyelid?
a. Trochlear 
b. Oculomotor
c. Abducent 
d. Facial
A

b. Oculomotor

40
Q
Which cranial nerve passes through stylomastoid
foramen?
a. Facial nerve
b. Glossopharyngeal nerve
c. Vagus nerve
d. Hypoglossal nerve
A

a. Facial nerve

41
Q

. First pharyngeal arch gives rise to:

a. Muscles of facial expression
b. Muscles of mastication
c. Muscles of soft palate
d. Stylopharyngeus (muscle of pharynx)

A

b. Muscles of mastication

42
Q

. Nucleus of tractus solitarius receives part of which
3 cranial nerves?

a. III, IV and VI
b. VII, IX and X
c. IX, X and XI
d. None of the above

A

b. VII, IX and X

43
Q

Nucleus ambiguus is present in:

a. Midbrain
b. Spinal cord
c. Pons
d. Medulla oblongata

A

d. Medulla oblongata

44
Q
. Which cranial nerve is not involved in Wallenberg’s
syndrome?
a. XII 
b. IX
c. X 
d. XI
A

a. XII

45
Q
  1. Which of the following is the largest cranial nerve?
    a. VI
    b. V
    c. XII
    d. VII
A

b. V

46
Q

. The pontine nuclei form an important part of:

a. Corticorubral pathway
b. Cortico-ponto-cerebellar pathway
c. Vestibulocerebellar pathway
d. Olivocerebellar pathway

A

b. Cortico-ponto-cerebellar pathway

47
Q

Which of these fasciculi lies most medially?

a. Fasciculus cuneatus
b. Fasciculus gracilis
c. Inferior cerebellar peduncle
d. None of the above

A

b. Fasciculus gracilis

48
Q

Which is the content of central grey matter in
section of lower part of medulla?
a. Hypoglossal nucleus
b. Nucleus of spinal tract of trigeminal nerve
c. Nucleus ambiguus
d. Spinal nucleus of XI nerve

A

a. Hypoglossal nucleus

49
Q

What is true about crus cerebri?

a. The corticospinal tract is in its middle part
b. Frontopontine fibres in medial one-sixth part
c. Temporopontine, parietopontine and occipitopontine fibres in lateral one-sixth part
d. All of the above

A

d. All of the above

50
Q

Pons contains which of the following set of nuclei?

a. IX, X, XI, XII
b. V, VI, VII, VIII
c. III, IV
d. IV, V, VI, VII

A

b. V, VI, VII, VIII

51
Q

The ratio of cerebellum to cerebrum in an adult is:

a. 1 : 8
b. 1 : 16
c. 1 : 4
d. 1 : 20

A

a. 1 : 8

52
Q
Purkinje cells are situated in:
a. Cerebral cortex
b. Junction of molecular and granular layers of
cerebellum
c. Granular layer of cerebellum
d. Nucleus emboliformis
A

b. Junction of molecular and granular layers of

cerebellum

53
Q

What is the true about cerebellum?
a. It is situated in posterior cranial fossa behind
pons and medulla oblongata
b. It is an infratentorial structure that coordinate
voluntary movements of body
c. Its structure is homotypical
d. All of the above

A

d. All of the above

54
Q

Which lobe is smallest in cerebellum?

a. Flocculonodular
b. Middle
c. Anterior
d. Posterior

A

a. Flocculonodular

55
Q
Which of the following regions of cerebellum is
concerned with planning and programming
muscular activities?
a. Intermediate zone
b. Vermis
c. Lateral zone
d. Flocculonodular zone
A

a. Intermediate zone

56
Q
. Which is the afferent tract of superior cerebellar
peduncle?
a. Reticulocerebellar 
b. Frontocerebellar
c. Tectocerebellar 
d. Striae medullaris
A

c. Tectocerebellar

57
Q

Which function of cerebellum is not true?
a. It functions as comparator
b. Vermis controls axial muscle and thus maintains
posture
c. Archicerebellum and paleocerebellum control
muscles of hand, finger, feet and toes
d. Flocculonodular lobe is connected to vestibular
nuclei. It maintains posture of the body

A

c. Archicerebellum and paleocerebellum control

muscles of hand, finger, feet and toes

58
Q
Superior cerebellar peduncle contains which of the
following fibres?
a. Posterior spinocerebellar
b. Olivocerebellar
c. Vestibulocerebellar
d. Anterior spinocerebellar
A

d. Anterior spinocerebellar

59
Q

What is situated in the vicinity of vagal triangle?

a. Vital centres
b. Respiratory centre
c. Cardiovascular centre
d. Vasomotor centre

A

a. Vital centres

60
Q

Inferolaterally IV ventricle is not bounded by:

a. Gracile tubercles
b. Cuneate tubercles
c. Inferior cerebellar peduncles
d. Superior cerebellar peduncles

A

d. Superior cerebellar peduncles

61
Q

Which of the following nuclei is related to IV ventricle?

a. Facial nerve nucleus
b. Hypoglossal nucleus
c. Vestibular nuclei
d. All of the above

A

d. All of the above

62
Q

Area postrema functions as:

a. Chemoreceptor
b. Osmoreceptor
c. Nociceptor
d. None of the above

A

a. Chemoreceptor

63
Q

Which structure form choroid plexus?

a. Tela choroidea with secretory ependyma
b. Obex
c. Lateral recess
d. Secretory ependyma

A

a. Tela choroidea with secretory ependyma

64
Q

Foramen of Monro connects:

a. Lateral ventricle to 4th ventricle
b. 3rd ventricle to 4th ventricle
c. 3rd ventricle to aqueduct
d. Lateral ventricle to 3rd ventricle

A

d. Lateral ventricle to 3rd ventricle

65
Q
. Which of the following is largest horn of lateral
ventricle?
a. Posterior horn 
b. Inferior horn
c. Anterior horn 
d. Central part
A

b. Inferior horn

66
Q

. Which is not a part of limbic system?

a. Hypophysis cerebri
b. Amygdaloid nuclei
c. Olfactory nerve, bulbs, tracts and stria
d. Fornix

A

a. Hypophysis cerebri

67
Q

What is correct form of Papez circuit?
a. Mammillary body–anterior nucleus of thalamus–
cingulate gyrus–hippocampal formation
b. Mammillary body–cingulate gyrus–anterior
nucleus of thalamus–hippocampal formation
c. Mammillary body–hippocampal formation–
anterior nucleus of thalamus–cingulate gyrus
d. Anterior nucleus of thalamus–mammillary
body–cingulate gyrus–hippocampal formation

A

a. Mammillary body–anterior nucleus of thalamus–

cingulate gyrus–hippocampal formation

68
Q

Hippocampal amygdala is related to:

a. Memory for recent events
b. Movements
c. Emotional behaviour
d. None of the above

A

a. Memory for recent events

69
Q

Nucleus receiving impulses of taste:

a. Dorsal nucleus of vagus
b. Spinal nucleus of trigeminal nerve
c. Nucleus ambiguus
d. Tractus solitarius

A

d. Tractus solitarius

70
Q

Action of barbiturates is:
a. Suppress the corticoreticular pathways
b. Increase the activity of reticular-activating
system
c. Depress the afferent impulses reaching reticularactivating pathway
d. None of these

A

c. Depress the afferent impulses reaching

71
Q

Ascending reticular-activating system is formed by:
a. Great number of collaterals from spinothalamic
tract
b. Trigeminal lemniscus
c. Auditory pathway
d. All of these

A

d. All of these

72
Q

Upper motor neuron type of paralysis is characterised by:

a. Clasp knife type of rigidity
b. Tendon reflexes are exaggerated
c. Babinski’s sign positive
d. All of these

A

d. All of these

73
Q

. Labyrinthine artery is a branch of:

a. Basilar
b. Vertebral
c. Internal carotid
d. Posterior inferior cerebellar

A

a. Basilar

74
Q

Vein of Galen or great cerebral vein is formed by
union of:
a. Right and left internal cerebral veins
b. Occipital and transverse sinuses
c. Inferior sagittal and straight sinuses
d. Occipital and petrosal sinuses

A

a. Right and left internal cerebral veins

75
Q
Which of the following arteries supply visual
fibres?
a. Anterior and middle cerebral
b. Middle cerebral
c. Middle and posterior cerebral
d. Posterior cerebral
A

c. Middle and posterior cerebral

76
Q

Anterior spinal artery is a branch of:

a. Vertebral
b. Internal carotid
c. Basilar
d. Labyrinthine

A

a. Vertebral

77
Q
Which is the largest direct branch of internal carotid
artery?
a. Middle cerebral 
b. Anterior cerebral
c. Posterior cerebral 
d. Posterior inferior cerebellar
A

a. Middle cerebral

78
Q

What is not true about BBB (blood–brain barrier)?
a. Many larger molecular substances hardly pass
from blood to CSF
b. Formed by structure between blood and nerve
cells of brain
c. The constitution of CSF is exactly same as those
of extracellular fluid elsewhere in body
d. Pineal body, hypophysis cerebri, choroid
plexus, area postrema, IV ventricle are devoid
of BBB

A

c. The constitution of CSF is exactly same as those

of extracellular fluid elsewhere in body