4. Diencephalon MCQs

CHOOSE BETWEEN YES AND NO:

Thalamus is the biggest relay station in the CNS.

YES OR NO

YES

CHOOSE BETWEEN YES AND NO:

A basic function of the thalamus is processing of sensory information.

YES OR NO

YES

CHOOSE BETWEEN YES AND NO:

Hypothalamus is concerned with control of food and water intake.

YES OR NO

YES

CHOOSE BETWEEN YES AND NO:

Subthalamus is a somatosensory control centre.

YES OR NO

NO

CHOOSE BETWEEN YES AND NO:

Mamillary bodies are anatomically related to the hypothalamus.

YES OR NO

YES

CHOOSE BETWEEN YES AND NO:

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

YES OR NO

YES

CHOOSE ONE CORRECT ANSWER:

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

A. general somatic sense

B. gustation

C. vision

D. audition

E. olfaction

E. olfaction

CHOOSE ONE CORRECT ANSWER:

Which of the following structures is a part of hypothalamus?

A. corpus pineale

B. corpus geniculatum laterale

C. infundibulum

D. inferior colliculi

C. infundibulum

CHOOSE ONE CORRECT ANSWER:

Which of the following structures is a part of epithalamus:

A. Hypophysis

B. Corpus geniculatum mediale

C. Habenular trigone

D. Superior colliculus

C. Habenular trigone

CHOOSE ONE CORRECT ANSWER:

Which of the Thalamus is NOT true:

A. It has laterally the posterior limb of internal capsule.

B. 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).

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

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

B. 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).

CHOOSE ONE CORRECT ANSWER:

Which of the listed structures belongs to epithalamus?

A. Optic chiasm

B. Hypophisis

C. Lamina affixa

D. Pineal body

E. Mammillary bodies

D. Pineal body

INDICATE THE FOLLOWING STATEMENTS WITH TRUE (T) OR FALSE (F):

The hypothalamus:

A. is a division of the diencephalon.

B. is perfused by the posterior communicating artery.

C. is visible only from the ventral aspect of the brain.

D. lies within the walls of the fourth ventricle.

E. includes the mamillary body.

A. T

B. T

C. T

D. F

E. T

INDICATE THE FOLLOWING STATEMENTS WITH TRUE (T) OR FALSE (F):

The third ventricle:

A. communicates with the lateral ventricles through the interventricular foramina

B. communicates with the fourth ventricle by means of the cerebral (Sylvian) aqueduct

C. communicates with the subarachnoid space through holes in its roof

D. has no choroid plexus

E. is anterior to the pineal body

A. T

B. T

C. F

D. F

E. T

INDICATE THE FOLLOWING STATEMENTS WITH TRUE (T) OR FALSE (F):

The thalamus:

A. is separated from the lentiform nucleus by the anterior limb of the internal capsule

B. forms part of the lateral wall of the third ventricle

C. has the interventricular foramen posterior to it

D. is inferior to the body of the fornix

E. has an upper surface which is partly in the floor of the lateral ventricle

A. F

B. T

C. F

D. T

E. T

INDICATE THE FOLLOWING STATEMENTS WITH TRUE (T) OR FALSE (F):

The subthalamus:

A. is located between the midbrain tegmentum and diencephalon

B. the subthalamic nucleus belongs to the pyramid system

C. the subthamalamic nucleus has biconvex shape

D. abuts the external capsule laterally

E. is concerned with motor control

A. T

B. F

C. T

D. F

E. T

INDICATE THE FOLLOWING STATEMENTS WITH TRUE (T) OR FALSE (F):

The hypothalamus:

A. controls the body homeostasis

B. forms the wall of the third ventricle

C. is seen on the ventral surface of the brain

D. receives direct impulses from the retina

E. is concerned with motor control

A. T

B. T

C. T

D. T

E. F

INDICATE THE FOLLOWING STATEMENTS WITH TRUE (T) OR FALSE (F):

The hypothalamus:

A. is subdivided into three nuclear groups

B. is anatomically associated with chiasma opticum

C. is bounded laterally by tractus opticus

D. secretes hormones.

E. is the control center for many autonomic functions

A. F

B. T

C. T

D. T

E. T

INDICATE THE FOLLOWING STATEMENTS WITH TRUE (T) OR FALSE (F):

The hypothalamus:

A. is connected with the endocrine and nervous systems

B. controls circadian rhythms

C. forms the ventral part of diencephalon

D. governs emotional behavior

E. has projections to the spinal cord

A. T

B. T

C. T

D. T

E. T

INDICATE THE FOLLOWING STATEMENTS WITH TRUE (T) OR FALSE (F):

Metathalamus:

A. is a visual and auditory relay station

B. is connected with the colliculi of the midbrain tectum

C. is closely related to the thalamus

D. controls somatomotor activity

E. is concerned with emotional behaviour.

A. T

B. T

C. T

D. F

E. F

FILL THE BLANK SPACES WITH APPROPRIATE WORDS OR PHRASES:

The nuclei of the hypothalamus connected to the neurohypophysis are:

A.

B.

A. Nucll. Supraopticus,

B. Nucll. paraventricularis

FILL THE BLANK SPACES WITH APPROPRIATE WORDS OR PHRASES:

The metathalamus is presented by:

A.

B.

Corpus geniculatum laterale and mediale

FILL THE BLANK SPACES WITH APPROPRIATE WORDS OR PHRASES:

Neurosecretory nuclei in the anterior part of the medial hypothalamus are:

A.

B.

A. Nucll. Supraopticus

B. Nucll. paraventricularis

FILL THE BLANK SPACES WITH APPROPRIATE WORDS OR PHRASES:

The epithalamus is located on the ________ aspect of the diencephalon.

Dorsal

FILL THE BLANK SPACES WITH APPROPRIATE WORDS OR PHRASES:

The hormones produced by the pineal gland are __________ and ___________.

Melatonin, Serotonin

MATCH EACH NUMBERED TERM WITH THE MOST PROPER LETTERED ONE:

Match each hormone/pathway with the appropriate nucleus.

A. Nucleus paraventricularis

B. Corpus geniculatum laterale

C. Epithalamus

D. Corpus geniculatum mediale

E. Nucleus supraopticus

1. Radiatio acustica

2. Vasopresin

3. Oxitocin

4. Corpus pineale

5. Radiation optica

A. 3

B. 5

C. 4

D. 1

E. 2

MATCH EACH NUMBERED TERM WITH THE MOST PROPER LETTERED ONE:

Match each of the structures from the two columns.

A. Lamina affixa

B. Corpus geniculatum mediale

C. Stria terminalis thalami

D. Corpus mamillare

E. Nuclei habenulares

1. Vena thalamostriata

2. Limbic system

3. Metathalamus

4. Tenia thalami

5. Fasciculus retroflexus

A. 4

B. 3

C. 1

D. 2

E. 5