Cerebrum anatomy Flashcards

1
Q

Folds of the cerebrum

A

Gyrus (pl. gyri)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Grooves of the cerebrum

A

Sulcus (pl. sulci)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Large deep sulcus

A

Fissure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which groove divides the cerebrum into the right and left hemispheres?

A

Median longitudinal fissure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Groove that separates the frontal and parietal lobes

A

Central sulcus (fissure of Rolando)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Groove that separates the parieto-frontal and temporal lobes

A

Sylvian fissure (lateral fissure)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Groove that separates the occipital and parietal lobes

A

Parieto-occipital sulcus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Groove between superior frontal gyrus and middle frontal gyrus

A

Superior frontal sulcus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Groove between middle frontal gyrus and inferior frontal gyrus

A

Inferior frontal sulcus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Borders of the precentral gyrus

A

Central sulcus, posteriorly

Precentral sulcus, anteriorly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Fold immediately posterior the central sulcus

A

Post-central gyrus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Folds separated by the central sulcus

A

Precentral gyrus and post-central gyrus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Folds separated by inferior frontal sulcus

A

Middle frontal gyrus and inferior frontal gyrus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Folds separated by superior frontal sulcus

A

Superior frontal gyrus and inferior frontal gyrus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Borders of the post-central gyrus

A

Central sulcus, anteriorly

Post-central sulcus, posteriorly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Groove that separates superior and inferior parietal lobule

A

Intraparietal sulcus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Parts of the inferior parietal lobule

A

Angular gyrus, supramarginal gyrus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Folds separated by the intraparietal sulcus

A

Superior parietal lobule, inferior parietal lobule

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Areas separated by central sulcus

A

Frontal and parietal lobes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Areas separated by medial longitudinal fissure

A

Right and left hemispheres

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Areas separated by Sylvian fissure

A

Fronto-parietal lobe, and temporal lobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Areas separated by parieto-occipital sulcus

A

Parietal and occipital lobes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

The parts of inferior frontal gyrus

A

Pars orbicularis, pars triangularis, pars opercularis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Which part of the inferior frontal gyrus is anteriormost?

A

Pars orbicularis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Which part of the inferior frontal gyrus is posteriormost
Pars opercularis
26
Which part of the inferior frontal gyrus is in the middle of the other two?
Pars triangularis
27
How do you differentiate angular gyrus and supramarginal gyrus?
Angular gyrus caps the superior temporal sulcus | Supramarginal gyrus caps the Sylvian fissure
28
The point where the three parts of inferior frontal gyrus meet
Anterior Sylvian point
29
Folds separated by superior temporal sulcus
Superior temporal gyrus and middle temporal gyrus
30
Folds separated by inferior temporal sulcus
Middle temporal gyrus and inferior temporal gyrus
31
Fold that caps the lateral fissure
Supramarginal gyrus
32
Fold that caps the superior temporal sulcus
Angular gyrus
33
Groove that separates superior temporal and middle temporal gyri
Superior temporal sulcus
34
Groove that separates middle temporal and inferior temporal gyri
Inferior temporal sulcus
35
Folds separated by the olfactory sulcus
Straight gyrus, orbital gyrus
36
Which statement is false regarding the sulcus of Rolando? A. It separates the frontal lobe from the parietal lobe B. It separates the frontal lobe from the temporal lobe C. It is the posterior boundary of the precentral gyrus D. It disappears into the paracentral lobule.
B
37
Which statement is TRUE regarding the lateral fissure of Sylvius? A. Its anterior Sylvian point lies immediately beneath the pars orbicualris B. Its lateral end is capped by the angular gyrus C. Its surrounding cerebral cortex is called the operculum D. The terminal segment of the ICA runs throughout its length
C
38
Which is NOT found exclusively within the frontal lobe? A. Straight gyrus B. Orbital gyrus C. Cingulate gyrus D. Pars opercularis
C
39
The superior parietal lobule is separated from the supramarginal gyrus by the A. Sylvian fissure B. Central sulcus C. Intraparietal sulcus D. Parietooccipital sulcus
C
40
The occipitotemporal gyrus is divided into lateral and medial portions by the A. occipitotemporal sulcus B. Collateral sulcus C. Calcarine fissure D. Inferior temporal sulcus
B
41
Which statement is TRUE regarding the precuneus? A. It is located within the parietal lobule B. The calcarine fissure forms its anterior border C. The parieto-occipital sulcus forms its inferior border D. It is located within the occipital lobe
A
42
The paracentral lobule is actually the continuation of the A. superior frontal gyrus B. Superior parietal lobule C. Superior temporal gyrus D. Cuneus
A
43
Which statement is FALSE regarding the uncus? A. Tumors within it may push and compress the midbrain against the tentorial notch B. The uncinate fasciculus lies directly beneath it C. It is part of the temporal lobe D. It lies adjacent to the interpeduncular cistern of the midbrain
A
44
Which pair of structures do NOT match? A. Amydala: frontal lobe B. Putamen: insula C. Hippocampus: temporal lobe D. Splenium of the corpus callosum: parietal lobe
A
45
Gray matter found underneath the Sylvian fissure
Insula
46
The largest commisure of the brain
Corpus callosum
47
Three groups of white matter in the cerebral hemispheres
Commissural fibers, association fibers, projection fibers
48
The commissural fibers connect which parts of the brain?
Right and left hemispheres
49
The thin part of the anterior end of the corpus callosum, prolonged posteriorly to be continuous with the upper end of the lamina terminalis
Rostrum
50
The curved anterior end of the corpus callosum, bends inferiorly in front of the septum pellucidum
Genu
51
The thickened posterior portion of the corpus callosum
Splenium
52
The commissural fibers of the brain
Corpus callosum, anterior commissure, posterior commissure, habenular commissure, fornix
53
What is an example of commissural fiber A. Corticospinal tract B. Corpus callosum C. Cingulum D. Fronix
B
54
Which statement is FALSE regarding the white matter tracts of the cerebrum? A. The corona radiate are projection fibers B. The corpus callosum is a commissural set of fibers C. The posterior commissure connects both inferior and middle temporal gyri D. The superior longitudinal fasciculus is the largest bundle of association fibrs.
C
55
Example(s) of commisural fibers a. internal capsule b. arcuate fasciculus c. long association fibers d. corona radiata e. none of the above
E
56
The lowest and most medial portion of the temporal lobe a. tonsil b. flocculo-nodular lobe c. uvula d. none of the above
d
57
Which part of the brain does the fornix connect?
Hippocampus
58
Brodmann areas were defined using this approach in the study of the nervous system a. Comparative approach b. Developmental approach c. cytoarchitectonic approach d. Biochemical approach e. All of the above
C
59
Subcortical neurons except: a. dorsal root ganglia b. ansa lenticularis c. thalamus d. caudate e. a and b
A
60
Location of the leg fibers of the corticospinal tract a. There is no topographical arrangement of leg and arm fibers in the spinal cord b. medial part of the anterior limb of the internal capsule c. lateral part of the cerebral peduncle d. all of the above
C