lecture 3: cerebrum

Question 1

how many bones make up the neurocranium

Answer 1

8

Question 2

which bones make up to neurocranum

Answer 2

parital bones (2)
occipital bone (1)
frontal bone (1)
ethmoid (1)
sphenoid (1)
Temporal (2)

Question 3

what is the name of the skull cap

Answer 3

calvaria

Question 4

how many bones make up the viscerocranium

Answer 4

14

Question 5

how many fossa of the skull

Answer 5

3

Question 6

what are the 3 skull fossa

Answer 6

ant
mid
post

Question 7

which bones make up the anterior cranial fossa

Answer 7

frontal bone
ethmoid bone
lesser wings of the sphenoid bone

Question 8

true or false: the greater wings of the sphenoid bones are part of the anterior cranial fossa

Answer 8

false, the lesser wings are

Question 9

which bones make uo the middle cranial fossa

Answer 9

sphenoid bone
temporal bone
(parietal)

Question 10

which bones make up the posterior cranial fossa

Answer 10

temporal
occipital
(parietal)

Question 11

ventral side of the brain stem and cerebellum sits where

Answer 11

in posterior fossa

Question 12

temporal lobes sit in which fossa

Answer 12

middle cranial

Question 13

frontal lobes sit in which fossa

Answer 13

anterior cranial

Question 14

what are the ridges of the brain called

Answer 14

gyri

Question 15

what are the valleys of the brain called

Answer 15

sucli

Question 16

what does the central sulcus seperate

Answer 16

frontal lobe (rostrally)
parietal lobe (caudally)

Question 17

true or false: central sulcus separate the parietal and occipital lobes

Answer 17

false, the frontal and parietal

Question 18

what does the lateral issue seperate

Answer 18

separates between the temporal lobe mentally and the frontal and parital lobes dorsally

Question 19

which fissure delimits the two cerebral hemisphere

Answer 19

median longitudinal fissue

Question 20

which fissure delimits the temporal bone

Answer 20

lateral fissure

Question 21

which sulcus delimits the parietal and occipital lobes

Answer 21

parietooccipital sulcus

Question 22

which sulcus lies between frontal and parietal lobes

Answer 22

central sulcus

Question 23

true or false: the central fissure is not continuous with the lateral fissure

Answer 23

true

Question 24

where is best to identify the parietooccipital sulcus

Answer 24

medially

Question 25

what orientation are the pre central and post central gyri

Answer 25

dorsoventral

Question 26

true or false: most gyro on the lateral surface of the brain are primarily in the dorsoventral direction

Answer 26

false, most in the rostrocaudal orientaiaion

Question 27

which gyri lies rostral to central culcus

Answer 27

pre central gyris

Question 28

which gyrus lies caudal to central sulcus

Answer 28

post central gyrus

Question 29

what are the 3 frontal gyri

Answer 29

sup middle and inferior

Question 30

what are the three regions of the inferior frontal gyrus

Answer 30

pars orbitalis parts triangularis pars opercularis

Question 31

which region of the inferior frontal gyrus is most rostral

Answer 31

pars orbital

Question 32

which region of the inferior frontal gyrus is most caudal

Answer 32

parts opercularis

Question 33

which orientation are the frontal gyri in

Answer 33

rostrocaudal

Question 34

which sulcus separates the superior and inferior parietal lobules

Answer 34

intraparietal sulcus

Question 35

where does the intra parietal sulcus meet the post central sulcus

Answer 35

rostrally

Question 36

true or false: the angular sulcus separates the superior and inferior parietal lobules

Answer 36

false, the intra parietal sulcus does

Question 37

what are the two important gyri of the inferior parietal lobule

Answer 37

angular gyrus supra marginal gyrus

Question 38

how can you find the supra marginal gyrus

Answer 38

follow the lateral fissure until it loops up dorsally

Question 39

where is t5he supra marginal gyrus located

Answer 39

at the caudal end of the lateral fissure (where it loops up dorsally)

Question 40

where is the angular gyrus located

Answer 40

at the caudal end of the superior temporal sulcus

Question 41

what are the 3 major temporal gyri

Answer 41

superior middle inferior

Question 42

which orientation are the temporal gyrus in

Answer 42

rostrocaudal

Question 43

what delimits the occipital lobe on the lateral aspect

Answer 43

line between parietooccipital sulcus and pre occipital notch

Question 44

true or false, there is not division of gyri in the occipital bone

Answer 44

false, there is less distinction that others but there is still superior middle and inferior occipital gyrus

Question 45

true or false: there are only 3 temporal gyri

Answer 45

FALSE

Question 46

what sulci and gyri can you find within the lateral fissure

Answer 46

transverse temporal gyri and insula

Question 47

what is the transverse temporal gyri important for

Answer 47

auditory cortex

Question 48

the transverse temporal gyri are part of the BLANK

Answer 48

temporal operculum (lower inflation lip of the lateral fissure)

Question 49

where is the insula lobe located

Answer 49

deep within the lateral fissure

Question 50

what cortex is important in the insular lobe

Answer 50

primary gustatory (taste) cortex (along with the ventral aspect of post central gyrus)

Question 51

true or false: limbic lobe is ALWAYS a true lobe

Answer 51

false, depends on the source

Question 52

limbic lobe involves which other lobes of the brain

Answer 52

frontal, parietal and temporal lobe

Question 53

what are some functions of the limbic lobe

Answer 53

emotions memory reward motivation maintaining homrostatis

Question 54

what is the gyri that surrounds the limbic cortex

Answer 54

cingulate gyrus, then parahippocampal gyrus

Question 55

what sulcus surrounds the cingular gyrus

Answer 55

cingulate sulcus

Question 56

what does the cingulate sulcus become as it moves dorsally

Answer 56

marginal sulcus

Question 57

what delimits the parietal and occipital lobe medially

Answer 57

parietooccipital sulcus

Question 58

calcarine sulcus is located in what love

Answer 58

occipital

Question 59

what sulcus does the calcarine sulcus extend from

Answer 59

pareitooccipital sulcus and extends caudallyca

Question 60

does the calcarine sulcus extend caudally or rostrally from the parietooccipital sulcus

Answer 60

caudally

Question 61

what does the calcarine sulcus seperate

Answer 61

lingual gyrus (inf) cuneus (sup)

Question 62

is the lingual gyrus inferior or superior to calcarine sulcuis

Answer 62

inf

Question 63

which two gyri combine4 to form the hippocampal gyrus

Answer 63

lingual gyrus cingulate gyrus

Question 64

the cingulate sulcus is continuous with what sulcus as it courses dorsally

Answer 64

marginal

Question 65

what lobe is the precuneus in

Answer 65

parietal

Question 66

is the precuneus located rostral or caudal to the parietooccipital sulcus

Answer 66

rostral

Question 67

is the paracentral lobule located rostral or caudal to the marginal sulcus

Answer 67

rostral

Question 68

in what lobe is the gyrus rectus

Answer 68

frontali

Question 69

in what lobe is the subcollasal gyrus

Answer 69

frontal

Question 70

true ro false: cuneus is rostral to precuneous

Answer 70

false, it is caudal to

Question 71

what are the gyri of the temporal lobe in the medial view

Answer 71

occipitotemporal gyrus (fusiform) parrahippocampal gyris

Question 72

in what lobe is the parrahippocampal gyrus located

Answer 72

temporal

Question 73

what is the rostral extremity of the parahippocampal gyrus located

Answer 73

rostral extremity

Question 74

what sulcus separates the occipitotemporal gyrus from the parahipposcrampal gyrus

Answer 74

medial occipitotemporal sulcus (collateral)

Question 75

which gyrus is located under the corpus callosum

Answer 75

subcallosal gyrus

Question 76

where is the primary somatosensory cortex located

Answer 76

post central gyrus in the parietal lobe

Question 77

where is the primary motor cortex located

Answer 77

pre central gyrus in the frontal lobe

Question 78

where is primary visual cortex

Answer 78

surrounding and within calcarine fissure (occipital lobe)

Question 79

where is the primary olfactory cortex

Answer 79

piriform cortex (near the uncus) =temporal lobe

Question 80

where is the primary gustatory cortex

Answer 80

anterior insula and frontal operculum

Question 81

where is the primary auditory cortex located

Answer 81

superior and transverse temporal gyri (temporal lobe)

Question 82

a patient has a lesion in the post central gyrus in the left brain, what will be affected

Answer 82

somatosensory deficits in the right upper limb

Question 83

which part of the inferior frontal gyrus is most caudal

Answer 83

pars opercularis