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PMU- CNS (Forebrain)- 1st year/2nd semester

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MCQ questions upload - 2nd semester/2nd test - PMU Edited to allow you to see answers, no randomisation
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Question 1

Question
Each side of the brain is functionally associated with the ipsilateral half of the body.
Answer
  • True
  • False

Question 2

Question
The cerebral cortex is responsible for subconscious functions like breathing and heart control.
Answer
  • True
  • False

Question 3

Question
The outermost section of the cerebral hemispheres is gray matter built of six cellular layers.
Answer
  • True
  • False

Question 4

Question
The brain "floats" in a protective layer of cerebrospinal fluid.
Answer
  • True
  • False

Question 5

Question
The cellular organization of the cortex cerebri is the same in all regions.
Answer
  • True
  • False

Question 6

Question
Internal capsule is made of projection fibers.
Answer
  • True
  • False

Question 7

Question
Basal ganglia are concerned with motor control.
Answer
  • True
  • False

Question 8

Question
Projection fibers in the brain connect the right and left hemispheres.
Answer
  • True
  • False

Question 9

Question
Primary visual field is located around sulcus calcarinus
Answer
  • True
  • False

Question 10

Question
Broca's area is associated with speech production.
Answer
  • True
  • False

Question 11

Question
Which of the following fiber connections is classified as an association pathway?
Answer
  • Dorsal longitudinal fasciculus
  • Superior occipitofrontal fasciculus
  • Hippocampal commissure
  • Internal capsule
  • Corona radiata

Question 12

Question
Which of the following fiber connections is classified as a commissural pathway?
Answer
  • Dorsal longitudinal fasciculus
  • Superior occipitofrontal fasciculus
  • Psalterium (lyra)
  • Internal capsule
  • Corona radiata

Question 13

Question
Which of the following connections are classified as projection fibers?
Answer
  • Dorsal longitudinal fasciculus
  • Superior occipitofrontal fasciculus
  • Hippocampal commissure
  • Internal capsule
  • Uncinate fasciculus

Question 14

Question
The anterior limb of the internal capsule contains all of the following fibers except
Answer
  • Thalamocortical
  • Corticothalamic
  • Corticostriate
  • Corticopontine
  • Corticospinal

Question 15

Question
All of the following are associated with pathology of the basal ganglia except
Answer
  • Tremor at rest
  • Chorea
  • Athetosis
  • Intention tremor
  • Postural instability

Question 16

Question
Huntingdon's disease is characterized by neuronal degeneration in which of the following structures?
Answer
  • Striatum
  • Globus pallidus, Internal segment
  • Globus pallidus, External segment
  • Substantia nigra
  • Thalamus

Question 17

Question
A pathway that extends along the medial border of the caudate nucleus and reciprocally connects the amygdala and the hypothalamus is the
Answer
  • Ventral amygdalofugal
  • Stria medullaris thalami
  • Fornix
  • Stria terminalis
  • Medial forebrain bundle

Question 18

Question
Bilateral cortical damage to the inferomedial temporal cortex may result in
Answer
  • Hemianesthesia
  • Hemiplegia
  • Broca's (expressive) aphasia
  • Wernicke's (receptive) aphasia
  • Prosopagnosia

Question 19

Question
Broca's area
Answer
  • Corresponds to brodmann's area 8
  • Is usually found in the right hemisphere
  • Serves the recognition of complex objects
  • Is considered a motor speech area

Question 20

Question
All of the statements concerning the primary olfactory cortex are true EXCEPT
Answer
  • Receives olfactory fibers of stria olfactoria lateralis
  • Has connection with the thalamus
  • Has connections with corpus amygdaloideum.
  • Includes entorhinal cortex
  • Includes prepiriform and periamygdaloid cortical fields

Question 21

Question
The lentiform nucleus
Answer
  • Has a lateral pale part (globus pallidus) and a medial dark part (putamen)
  • Is completely separated from the caudate nucleus
  • Forms part of the extrapyramidal system
  • Sends fibres to the substantia nigra and red nucleus
  • Is lateral to the internal capsule

Question 22

Question
The corpus callosum
Answer
  • Has a body which is inferior to the anterior cerebral arteries
  • Forms the roof of the central part of the lateral ventricles
  • Is superior to the fornix
  • Is superior to the great cerebral vein
  • Is separated from the fornix by the lamina terminalis

Question 23

Question
The precentral gyrus
Answer
  • Is in the frontal lobe
  • Is the only motor area of the cerebral cortex
  • Has a cortex which is the same thickness as the cortex of the postcentral gyrus
  • In its lower part has neural connections with the lower part of the body.
  • Contains the giant pyramid cells of Betz

Question 24

Question
On the cerebral hemisphere
Answer
  • The area associated with general sensation is in the parietal lobe.
  • The visual area is on the medial side of the occipital lobe.
  • The auditory area is at the anterior end of the superior temporal gyrus
  • The motor speech area is in the superior frontal gyrus.
  • The smell area is in the frontal lobe.

Question 25

Question
The lateral ventricle
Answer
  • Contains the smallest of the choroid plexuses.
  • Has a central part (body) which is roofed over by the corpus callosum.
  • Has an inferior horn which has the amygdaloid in its floor
  • Has a posterior horn extending into the occipital lobe.
  • Lies above the head of the caudate nucleus.

Question 26

Question
The internal capsule
Answer
  • Has a genu which is supplied by a branch of the anterior cerebral artery
  • Contains corticopontine fibres in its anterior limb.
  • Contains corticospinal fibres in its anterior limb.
  • Contains the optic radiation in its posterior limb.
  • Has an anterior limb lying between the caudate nucleus and the thalamus

Question 27

Question
The right visual cortex
Answer
  • Lies on either side of the edges of the calcarine sulcus.
  • Receives the termination of fibres whose cell bodies are in the lateral geniculate body.
  • Has a very large area for the macula in its anterior part.
  • Receives impulses originating from stimuli from the right halves of both visual fields
  • Receives impulses from the right lower quadrants of both retinae

Question 28

Question
The brain
Answer
  • Weighs about 3kg
  • Lose consciousness if the blood supply is stopped for a little as 10 seconds.
  • Receives blood via two pairs of arteries.
  • Controls a vast number of activities in the body.
  • Consists of two hemispheres and vermis.

Question 29

Question
The grey matter
Answer
  • Is responsible for originating nerve impulses.
  • Contains large number of nerve cell bodies
  • Has no blood vessels
  • Is arranged into bundles of fibers
  • Is always inside the brain
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