NEUROANATOMY CHARUSEA Flashcards
. What nerve fibre convey impulses towards cell body of a neuron? a. Axon b. Dendrites c. Axon collaterals d. Axon terminals
b. Dendrites
. Myelin sheath on peripheral nerves is contributed by: a. Axon itself b. Secretory vesicles c. Schwann cells d. Cell bodies of neuron
c. Schwann cells
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
d. Bipolar and motor
The grey appearance of spinal grey matter is due to: a. Neuronal body b. Neuroglia c. Neurites d. Blood vessels
a. Neuronal body
Which type of cells helps regulate composition of CSF? a. Astrocyte b. Oligodendeocyte c. Microglia d. Ependymal
d. Ependymal
. 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. Schwann
What cells conduct message towards brain?
a. Motor neuron
b. Sensory neuron
c. Interneuron
d. Neuroglia
b. Sensory neuron
Myelin sheath is produced by:
a. Neuron
b. Axon
c. Dendrite
d. Schwann’s cells/oligodendrocyte
d. Schwann’s
The three regions of brainstem are:
a. Cerebrum, diencephalon, midbrain
b. Pons, cerebellum, midbrain
c. Diencephalon, midbrain, cerebrum
d. Midbrain, pons, medulla oblongata
d. Midbrain, pons, medulla oblongata
Three parts of hindbrain are:
a. Cerebrum, pons, cerebellum
b. Pons, medulla oblongata, cerebellum
c. Pons, midbrain, cerebellum
d. Thalamus, pons, cerebellum
b. Pons, medulla oblongata, cerebellum
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
c. Dura, arachnoid, pia
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. Dural venous sinus
Largest of cranial dural partition is:
a. Diaphragma sellae
b. Falx cerebri
c. Tentorium cerebelli
d. Falx cerebelli
b. Falx cerebri
Dura and arachnoid extend up to the lower border of which vertebra? a. 2nd lumbar b. 3rd lumbar c. 2nd sacral d. 5th sacral
c. 2nd sacral
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
d. All of the above
Which structure produces CSF in each ventricle?
a. Choroid plexus
b. Arachnoid villus
c. Arachnoid granulation
d. Diaphragma sellae
a. Choroid plexus
From subarchnoid space, CSF flows into dural venous sinus through: a. Lateral apertures b. Median aperture c. Arachnoid villi d. Arachnoid trabeculae
c. Arachnoid villi
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
d. Choroid plexus, hypothalamus and pineal gland
How much is the total volume of CSF in ml?
a. 50
b. 100
c. 150
d. 275
c. 150
In spinal cord, myelin sheath is formed by:
a. Schwann cells
b. Oligodendrocytes
c. Astrocytes
d. Microglia
b. Oligodendrocytes
. 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
b. Proprioceptive sensations from trunk and limbs
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
b. It ends in adults at lower border of 3rd lumbar
vertebra
. 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
c. It ends in anterior horn cells
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
c. Contralateral loss of pain and temperature
Following tracts are present in lateral white column, except: a. Lateral spinothalamic b. Rubrospinal c. Ventral spinocerebellar d. Fasciculus gracilis
d. Fasciculus gracilis
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
c. It shows thoracic and lumbar enlargements
Lateral corticospinal tract terminates at:
a. Clarke’s column
b. Substantia gelatinosa
c. Anterior horn cells of spinal cord
d. Ventroposterolateral nucleus of thalamus
c. Anterior horn cells of spinal cord
Pyramidal fibres mostly arise from Brodmann’s
cortical area:
a. 3, 1, 2
b. 8
c. 4
d. 18
c. 4
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. Fasciculus gracilis and fasciculus cuneatus
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. Oculomotor, abducent and trochlear
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
b. Ophthalmic, maxillary and mandibular