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

Question 1 of 29

1

Each side of the brain is functionally associated with the ipsilateral half of the body.

Select one of the following:

  • True
  • False

Explanation

Question 2 of 29

1

The cerebral cortex is responsible for subconscious functions like breathing and heart control.

Select one of the following:

  • True
  • False

Explanation

Question 3 of 29

1

The outermost section of the cerebral hemispheres is gray matter built of six cellular layers.

Select one of the following:

  • True
  • False

Explanation

Question 4 of 29

1

The brain "floats" in a protective layer of cerebrospinal fluid.

Select one of the following:

  • True
  • False

Explanation

Question 5 of 29

1

The cellular organization of the cortex cerebri is the same in all regions.

Select one of the following:

  • True
  • False

Explanation

Question 6 of 29

1

Internal capsule is made of projection fibers.

Select one of the following:

  • True
  • False

Explanation

Question 7 of 29

1

Basal ganglia are concerned with motor control.

Select one of the following:

  • True
  • False

Explanation

Question 8 of 29

1

Projection fibers in the brain connect the right and left hemispheres.

Select one of the following:

  • True
  • False

Explanation

Question 9 of 29

1

Primary visual field is located around sulcus calcarinus

Select one of the following:

  • True
  • False

Explanation

Question 10 of 29

1

Broca's area is associated with speech production.

Select one of the following:

  • True
  • False

Explanation

Question 11 of 29

1

Which of the following fiber connections is classified as an association pathway?

Select one of the following:

  • Dorsal longitudinal fasciculus

  • Superior occipitofrontal fasciculus

  • Hippocampal commissure

  • Internal capsule

  • Corona radiata

Explanation

Question 12 of 29

1

Which of the following fiber connections is classified as a commissural pathway?

Select one of the following:

  • Dorsal longitudinal fasciculus

  • Superior occipitofrontal fasciculus

  • Psalterium (lyra)

  • Internal capsule

  • Corona radiata

Explanation

Question 13 of 29

1

Which of the following connections are classified as projection fibers?

Select one of the following:

  • Dorsal longitudinal fasciculus

  • Superior occipitofrontal fasciculus

  • Hippocampal commissure

  • Internal capsule

  • Uncinate fasciculus

Explanation

Question 14 of 29

1

The anterior limb of the internal capsule contains all of the following fibers except

Select one of the following:

  • Thalamocortical

  • Corticothalamic

  • Corticostriate

  • Corticopontine

  • Corticospinal

Explanation

Question 15 of 29

1

All of the following are associated with pathology of the basal ganglia except

Select one of the following:

  • Tremor at rest

  • Chorea

  • Athetosis

  • Intention tremor

  • Postural instability

Explanation

Question 16 of 29

1

Huntingdon's disease is characterized by neuronal degeneration in which of the following structures?

Select one of the following:

  • Striatum

  • Globus pallidus, Internal segment

  • Globus pallidus, External segment

  • Substantia nigra

  • Thalamus

Explanation

Question 17 of 29

1

A pathway that extends along the medial border of the caudate nucleus and reciprocally connects the amygdala and the hypothalamus is the

Select one of the following:

  • Ventral amygdalofugal

  • Stria medullaris thalami

  • Fornix

  • Stria terminalis

  • Medial forebrain bundle

Explanation

Question 18 of 29

1

Bilateral cortical damage to the inferomedial temporal cortex may result in

Select one of the following:

  • Hemianesthesia

  • Hemiplegia

  • Broca's (expressive) aphasia

  • Wernicke's (receptive) aphasia

  • Prosopagnosia

Explanation

Question 19 of 29

1

Broca's area

Select one of the following:

  • 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

Explanation

Question 20 of 29

1

All of the statements concerning the primary olfactory cortex are true EXCEPT

Select one of the following:

  • 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

Explanation

Question 21 of 29

1

The lentiform nucleus

Select one or more of the following:

  • 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

Explanation

Question 22 of 29

1

The corpus callosum

Select one or more of the following:

  • 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

Explanation

Question 23 of 29

1

The precentral gyrus

Select one or more of the following:

  • 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

Explanation

Question 24 of 29

1

On the cerebral hemisphere

Select one or more of the following:

  • 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.

Explanation

Question 25 of 29

1

The lateral ventricle

Select one or more of the following:

  • 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.

Explanation

Question 26 of 29

1

The internal capsule

Select one or more of the following:

  • 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

Explanation

Question 27 of 29

1

The right visual cortex

Select one or more of the following:

  • 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

Explanation

Question 28 of 29

1

The brain

Select one or more of the following:

  • 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.

Explanation

Question 29 of 29

1

The grey matter

Select one or more of the following:

  • 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

Explanation

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