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PMU - 2nd/2t Semester Anatomy - CNS (Diencephalon)

PMU - 2nd/2t Semester Anatomy - CNS (Diencephalon)

Question 1 of 31

1

Thalamus is the biggest relay station in the CNS

Select one of the following:

  • True
  • False

Explanation

Question 2 of 31

1

The reticular thalamic nuclei form a shell-like structure on the antero-lateral surface of the thalamus.

Select one of the following:

  • True
  • False

Explanation

Question 3 of 31

1

A basic function of the thalamus is processing of sensory information

Select one of the following:

  • True
  • False

Explanation

Question 4 of 31

1

Hypothalamus is concerned with control of food and water intake.

Select one of the following:

  • True
  • False

Explanation

Question 5 of 31

1

Subthalamus is somatosensory control center

Select one of the following:

  • True
  • False

Explanation

Question 6 of 31

1

Mamillary bodies are anatomically related to the hypothalamus

Select one of the following:

  • True
  • False

Explanation

Question 7 of 31

1

Diencephalon originates from the prosencephalic ventricle

Select one of the following:

  • True
  • False

Explanation

Question 8 of 31

1

Lateral thalamic nuclei are classified functionally as associate nuclei.

Select one of the following:

  • True
  • False

Explanation

Question 9 of 31

1

The anterior group of thalamic nuclei are functionally part of the limbic system

Select one of the following:

  • True
  • False

Explanation

Question 10 of 31

1

Internal medullary lamina divides the thalamus into 3 groups of nucei - Anterior, medial and lateral.

Select one of the following:

  • True
  • False

Explanation

Question 11 of 31

1

Which of the following thalamic nuclei has a motor function?

Select one of the following:

  • Lateral dorsal nucleus

  • Mediodorsal nucleus

  • Ventral lateral nucleus

  • Ventral posterior nucleus

  • Lateral posterior nucleus

Explanation

Question 12 of 31

1

Spinothalamic fibers project to which one of the following thalamic nuclei?

Select one of the following:

  • Ventral posteromedial (VPM) nucleus

  • Pulvinar

  • Ventral anterior nucleus

  • Ventral posterolateral (VPM) nucleus

  • Anterior Nucleus

Explanation

Question 13 of 31

1

Cerebellar fibers project to which one of the following thalamic nuclei?

Select one of the following:

  • Ventral posteromedial (VPM) nucleus

  • Lateral dorsal nucleus

  • Lateral posterior nucleus

  • Ventral lateral nucleus

  • Anterior nucleus

Explanation

Question 14 of 31

1

The global pallidus projects to which one set of the thalamic nuclei?

Select one of the following:

  • Centromedian, Ventral anterior and Ventral lateral nuclei

  • Ventral anterior, Ventral lateral and Anterior nuclei

  • Ventral lateral, Lateral dorsal and lateral posterior nuclei

  • Mediodorsal, ventral posterolateral (VPL) and Ventral posteromedial (VPM) nuclei

  • Centromedian, Lateral dorsal and Lateral ventral nuclei

Explanation

Question 15 of 31

1

The thalamus receives precortical sensory input from all of the following modalities EXCEPT

Select one of the following:

  • General somatic sense

  • Gustation

  • Vision

  • Audition

  • Olfaction

Explanation

Question 16 of 31

1

All of the following statements concerning the mediodorsal nucleus are correct EXCEPT it

Select one of the following:

  • Receives input from the amygdaloid nucleus

  • Receives input from the intralaminar nuclei

  • Is part of the limbic system

  • Is part of the extrapyramidal motor system

  • Has reciprocal connections with the prefrontal cortex.

Explanation

Question 17 of 31

1

Which of the following structures is a part of hypothalamus?

Select one of the following:

  • Corpus pineale

  • Corpus Geniculatum Laterale

  • Infundibulum

  • Inferior colliculi

Explanation

Question 18 of 31

1

Which of the thalamus is NOT true?

Select one of the following:

  • The medial group of nuclei receives afferents from hypothalamus

  • The ventral anterior nucleus is a part of the extrapyramidal neural network

  • The ventral anterior nucleus doesnt receive afferents from pallidum and substantia nigra

  • The ventral posterior lateral nucleus receives afferents from spinal lemniscus.

  • The ventral posterior medial nucleus receives afferents from trigeminal lemniscus.

Explanation

Question 19 of 31

1

Which of the following structures is a part of epithalamus?

Select one of the following:

  • Hypophysis

  • Corpus Geniculatum Mediale

  • Habenular trigone

  • Superior Colliculus

Explanation

Question 20 of 31

1

Which of the thalamus is NOT true:

Select one of the following:

  • It has laterally the posterior limb of internal capsule.

  • The hypothalamic sulcus (sulcus of Monro), which extends from the interventricular foramen to the cerebral aqueduct is the boundary between the thalamus and midbrain (mesencephalon)

  • Its upper surface is covered by a layer of white substance, named the stratum zonale.

  • The stria terminalis covers the thalamostriate vein, marking a line of seperation between the thalamus and the caudate nucleus.

Explanation

Question 21 of 31

1

Which of the listed structures belongs to epithalamus?

Select one of the following:

  • Optic Chiasm

  • Hypophisis

  • Lamina Affixa

  • Pineal body

  • Mammillary bodies

Explanation

Question 22 of 31

1

The hypothalamus:

Select one or more of the following:

  • Is a division of the diencephalon.

  • Is perfused by the posterior communicating artery

  • Is visible only from the ventral aspect of the brain.

  • Lies within the walls of the fourth ventricle.

  • Includes the mamillary body

Explanation

Question 23 of 31

1

The third ventricle

Select one or more of the following:

  • Communicates with the lateral ventricles through the interventricular foramina.

  • Communicates with the fourth ventricle by means of the cerebral (Sylvian) aquaduct.

  • Communicates with the subarachoid space through holes in its roof.

  • Has no choroid plexus

  • Is anterior to the pineal body.

Explanation

Question 24 of 31

1

The thalamus

Select one or more of the following:

  • Receives the terminations of the second neurons of the proproceptive pathway mainly from the same side of the body.

  • Receives fibres from the mamillary bodies.

  • Contains the cell bodies of the third neuron of the touch pathway.

  • Has connections with the motor areas of the cerebral cortex

  • Receives fibres from the denate nucleus of the cerebellum mainly from same side .

Explanation

Question 25 of 31

1

The thalamus

Select one or more of the following:

  • Is separated from the lentiform nucleus by the anterior limb of the internal capsule.

  • Forms part of the lateral wall of the third ventricle.

  • Has the interventricular foramen posterior to it

  • Is inferior to the body of the fornix

  • Has an upper surface which is partly in the floor of the lateral ventricle.

Explanation

Question 26 of 31

1

In connection with Thalamus:

Select one or more of the following:

  • The Anterior group of nuclei is connected to structures of limbic system.

  • The lateral group of nuclei are responsible for the behavioral actions.

  • The ventral posterior lateral nucleus receives afferents from spinal cord.

  • The ventral posterior lateral nucleus sends fibers to spinal cord.

  • The lateral geniculate body is connected to the visual system.

Explanation

Question 27 of 31

1

The subthalamus:

Select one or more of the following:

  • Is located between the midbrain tegmentum and diencphalon.

  • The subthalamic nucleus belongs to the pyramid system

  • The subthamalamic nucleus has biconvex shape

  • Abuts the external capsule laterally

  • Is concerned with motor control

Explanation

Question 28 of 31

1

The hypothalamus:

Select one or more of the following:

  • Controls the body homeostasis.

  • Forms the wall of the third ventricle

  • Is seen on the ventral surface of the brain.

  • Receives direct impulses from the retina.

  • Is concerned with motor control.

Explanation

Question 29 of 31

1

The hypothalamus

Select one or more of the following:

  • Is subdivided into three nuclear groups

  • Is anatomically associated with chiasma opticum

  • Is bounded laterally by tractus opticus

  • Secretes hormones

  • Is the control center for many autonomic functions

Explanation

Question 30 of 31

1

The hypothalamus

Select one or more of the following:

  • Is connected with the endocrine and nervous systems.

  • Controls circadian rhythms

  • Forms the ventral part of diencephalon

  • Governs emotional behavior

  • Has projections to the spinal cord

Explanation

Question 31 of 31

1

Metathalamus

Select one or more of the following:

  • Is a visual and auditory relay station.

  • Is connected with the colliculi of the midbrain tectum

  • Is closely related to the thalamus

  • Controls somatomotor activity

  • Is connected with emotional behaviour

Explanation

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