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

Description

MCQ questions upload - 2nd semester/2nd test - PMU
Sole C
Quiz by Sole C, updated more than 1 year ago
Sole C
Created by Sole C about 9 years ago
265
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Resource summary

Question 1

Question
Thalamus is the biggest relay station in the CNS
Answer
  • True
  • False

Question 2

Question
The reticular thalamic nuclei form a shell-like structure on the antero-lateral surface of the thalamus.
Answer
  • True
  • False

Question 3

Question
A basic function of the thalamus is processing of sensory information
Answer
  • True
  • False

Question 4

Question
Hypothalamus is concerned with control of food and water intake.
Answer
  • True
  • False

Question 5

Question
Subthalamus is somatosensory control center
Answer
  • True
  • False

Question 6

Question
Mamillary bodies are anatomically related to the hypothalamus
Answer
  • True
  • False

Question 7

Question
Diencephalon originates from the prosencephalic ventricle
Answer
  • True
  • False

Question 8

Question
Lateral thalamic nuclei are classified functionally as associate nuclei.
Answer
  • True
  • False

Question 9

Question
The anterior group of thalamic nuclei are functionally part of the limbic system
Answer
  • True
  • False

Question 10

Question
Internal medullary lamina divides the thalamus into 3 groups of nucei - Anterior, medial and lateral.
Answer
  • True
  • False

Question 11

Question
Which of the following thalamic nuclei has a motor function?
Answer
  • Lateral dorsal nucleus
  • Mediodorsal nucleus
  • Ventral lateral nucleus
  • Ventral posterior nucleus
  • Lateral posterior nucleus

Question 12

Question
Spinothalamic fibers project to which one of the following thalamic nuclei?
Answer
  • Ventral posteromedial (VPM) nucleus
  • Pulvinar
  • Ventral anterior nucleus
  • Ventral posterolateral (VPM) nucleus
  • Anterior Nucleus

Question 13

Question
Cerebellar fibers project to which one of the following thalamic nuclei?
Answer
  • Ventral posteromedial (VPM) nucleus
  • Lateral dorsal nucleus
  • Lateral posterior nucleus
  • Ventral lateral nucleus
  • Anterior nucleus

Question 14

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

Question 15

Question
The thalamus receives precortical sensory input from all of the following modalities EXCEPT
Answer
  • General somatic sense
  • Gustation
  • Vision
  • Audition
  • Olfaction

Question 16

Question
All of the following statements concerning the mediodorsal nucleus are correct EXCEPT it
Answer
  • 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.

Question 17

Question
Which of the following structures is a part of hypothalamus?
Answer
  • Corpus pineale
  • Corpus Geniculatum Laterale
  • Infundibulum
  • Inferior colliculi

Question 18

Question
Which of the thalamus is NOT true?
Answer
  • 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.

Question 19

Question
Which of the following structures is a part of epithalamus?
Answer
  • Hypophysis
  • Corpus Geniculatum Mediale
  • Habenular trigone
  • Superior Colliculus

Question 20

Question
Which of the thalamus is NOT true:
Answer
  • 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.

Question 21

Question
Which of the listed structures belongs to epithalamus?
Answer
  • Optic Chiasm
  • Hypophisis
  • Lamina Affixa
  • Pineal body
  • Mammillary bodies

Question 22

Question
The hypothalamus:
Answer
  • 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

Question 23

Question
The third ventricle
Answer
  • 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.

Question 24

Question
The thalamus
Answer
  • 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 .

Question 25

Question
The thalamus
Answer
  • 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.

Question 26

Question
In connection with Thalamus:
Answer
  • 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.

Question 27

Question
The subthalamus:
Answer
  • 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

Question 28

Question
The hypothalamus:
Answer
  • 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.

Question 29

Question
The hypothalamus
Answer
  • 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

Question 30

Question
The hypothalamus
Answer
  • 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

Question 31

Question
Metathalamus
Answer
  • 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
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