GS - Structure and Function of the Brain

Question 1

On the “outer” lateral aspects of the brain which statement is true?

A). Thalamus is visible

B). Entire brainstem is visible

C). All lobes of the cerebral hemispheres are visible

Answer 1

C). All lobes of the cerebral hemispheres are visible

Question 2

In clinical diagnostic tests, a way to visualise the brain stem in its entirety is to use:

A). MRI sagittal slice

B). MRI coronal slice

C). MRI axial slice

Answer 2

A). MRI sagittal slice

Question 3

Which ventricle(s)/conduit(s) are derived from the forebrain vesicle?

A). Cerebral aqueduct

B). Lateral and third ventricle

C). Fourth Ventricle

Answer 3

B). Lateral and third ventricle

Question 4

What is this gyrus called?

INSERT PIC 1

A). Visual gyrus

B). Precentral sulcus

C). Precentral gyrus

Answer 4

C). Precentral gyrus

Question 5

What is the function here?

INSERT PIC 1

A). Primary Motor

B). Somatic sensory

C). Primary auditory

Answer 5

A). Primary Motor

Question 6

Which lobe is this?

INSERT PIC 1

A). Parietal

B). Temporal

C). Frontal

Answer 6

C). Frontal

Question 7

What is this gyrus called?

A). Precentral sulcus

B). Superior temporal gyrus

C). Post central gyrus

Answer 7

C). Post central gyrus

Question 8

What is the function here?

A). Primary Motor

B). Somatic sensory

C). Primary auditory

Answer 8

B). Somatic sensory

Question 9

Which lobe is this?

A). Parietal

B). Temporal

C). Occipital

Answer 9

A). Parietal

Question 10

What are the functional differences between primary and
association cortex and which has the bigger area?

Answer 10

Association cortex is
usually more advanced and does higher order
processing than the primary cortex which is the first point of input

e.g - Visual cortex and association
visual cortex - association does all of
primary and faces, objects,
recognition, depth, binocular,
patterns

Question 11

The parietal lobe performs mostly

A). Sensory processing

B). Visual processing

C). Motor processing

Answer 11

A). Sensory processing

Question 12

Wernickes area is an important area for :

A). Processing visual stimuli

B). Complex body image inputs

C). Language comprehension

Answer 12

C). Language comprehension

Question 13

The primary visual cortex is found in cerebral cortex of which lobe?

A). Frontal

B). Occipital

C). Temporal

Answer 13

B). Occipital

Question 14

Identify the features labelled in this axial slice image?

INSERT IMAGE

Answer 14

A - Lateral ventricle
B - Caudate nucleus
C - Internal capsule
D - Putamen
E - Cerebral aquaduct
F - Thalamus

Question 15

What fluid filled structure has a similar shape to the caudate nucleus and is closely associated with it?

A). fourth ventricle

B). subarachnoid space

C). lateral ventricle

Answer 15

C). lateral ventricle

Question 16

Which component of the basal ganglia structures is degenerated in Parkinson’s disease

A). substantia nigra

B). subthalamic nucleus

C). putamen

Answer 16

A). substantia nigra

Question 17

Which elements of the basal ganglia make up the dorsal striatum?

A). nucleus accumbens and olfactory tubercle

B). globus pallidus and substantia nigra

C). putamen and caudate nucleus

Answer 17

C). putamen and caudate nucleus

Question 18

Name the following structures

INSERT PICS

Answer 18

A). Diencephalon

B). Midbrain

C). Pons

D). Medulla

Question 19

In the David and Goliath conundrum, if the giant has found it difficult to detect the presence of
Goliath on both left and right sides which parts of those visual pathways that are visible on the
ventral brain may be affected?

A). Optic nerves

B). Optic chiasma

C). Optic radiation

Answer 19

B). Optic chiasma

Question 20

From your knowledge of this pathway in which fibres could a lesion cause a bilateral defect in
peripheral vision

A). Crossing fibres only representing temporal retinae

B). Crossing fibres representing the left retina

C). Crossing fibres representing nasal retinae

Answer 20

C). Crossing fibres representing nasal retinae