NEUROANATOMY

Question 1

Which fissure separates a) the cerebral hemispheres? b) the frontal and parietal lobes ?

Answer 1

a) longitudinal fissure
b) central sulcus

Question 2

Function of frontal lobe

Answer 2

movement executive functions broca’s

Question 3

Function of parietal lobe

Answer 3

sensation

Question 4

Function of temporal lobe

Answer 4

Hearing Wernicke’s

Question 5

Difference between sulci and fissures

Answer 5

The sulci and fissures are both grooves in the cortex, but they are differentiated by size. A sulcus is a shallower groove that surrounds a gyrus. A fissure is a large furrow that divides the brain into lobes and also into the two hemispheres as the longitudinal fissure.

Question 6

Where is the cingulate sulcus?

Answer 6

above the corpus callosum separating frontal and parietal lobes from cingulate gyrus

Question 7

What is the cingulate gyrus?

Answer 7

part of limbic system

Question 8

Where does the internal capsule end?

Answer 8

corona radiata

Question 9

3 parts of brainstem from proximal to distal

Answer 9

midbrain pons medulla

Question 10

What are the enlargements on the medulla called?

Answer 10

pyramids

Question 11

Which cranial nerves come off at a) midbrain? b) pons? c) medulla?

Answer 11

a) oculomotor b) trigeminal c) abducens, facial, vestibulocochlear, glossopharyngeal, vagus, accessory, hypoglossal

Question 12

Which cranial nerves aren’t derived from the brainstem?

Answer 12

olfactory and optic

Question 13

Which foramen do the cranial nerves exit?

Answer 13

CNI: cribiform plate of ethmoid bone CNII: optic canal CN III: SOF CN IV: SOF CN V: V1 SOF V2 FR V3 FO CN VI: SOF CN VII: internal acoustic meatus CN VIII: internal acoustic meatus CN IX: jugular foramen CN X: jugular foramen CN XI: jugular foramen CN XII: hypoglossal canal

Question 14

Which cerebral artery mostly supplies a) lateral brain? b) medial brain?

Answer 14

a) middle cerebral b) anterior cerebral

Question 15

Where do the superior, straight and inferior sagittal sinuses meet?

Answer 15

confluence of sinuses

Question 16

Which sinus lies betwen the confluence and the sigmoid?

Answer 16

transverse

Question 17

which sinus flows straight down to the internal jugular vein?

Answer 17

sigmoid

Question 18

What is the major blood supply to the meninges?

Answer 18

middle meningeal artery

Question 19

Where is CSF found?

Answer 19

subarachnoid space

Question 20

Where does the spinal cord end?

Answer 20

conus medularis L1/2

Question 21

What supplies the majority of the spinal cord?

Answer 21

anterior spinal artery

Question 22

Line at front of spinal cord

Answer 22

anterior median fissure

Question 23

Which root is to the a) left b) right of the anterior median fissure?

Answer 23

a) ventral b) dorsal

Question 24

What do the denticulate ligaments attach to?

Answer 24

pia mater

Question 25

Which ascending pathway provides fine touch, proprioception and vibration?

Answer 25

dorsal column

Question 26

Which ascending pathway provides pain and temperature?

Answer 26

spinothalamic

Question 27

Where does the a) dorsal column b) spinothalamic cross?

Answer 27

a) medulla b) segmentally

Question 28

What is the dorsal column split into?

Answer 28

a) fasciculus cuneatus provides info from upper limb so is lateral b) fasciculus gracilis provides info from lower limb so is central

Question 29

Name 2 pyramidal pathways

Answer 29

corticospinal corticobulbar

Question 30

Where does the lateral corticospinal tract cross?

Answer 30

midline at decussation of pyramids

Question 31

Circle of Willis

Answer 31

Question 32

A

Answer 32

olfactory CNI

Question 33

B

Answer 33

oculomotor CNIII

Question 34

C

Answer 34

abducens CNVI

Question 35

E

Answer 35

trigeminal

Question 36

G

Answer 36

vestibulocochlear CNVIII

Question 37

H

Answer 37

vagus CN X

Question 38

J

Answer 38

hypoglossal CN XII

Question 39

K

Answer 39

accessory nerve CNXI

Question 40

L

Answer 40

glossopharyngeal CN IX

Question 41

O

Answer 41

trochlear CN IV

Question 42

Q

Answer 42

optic CNII

Question 43

Name structure 13

Answer 43

cribiform plate

Question 44

Name structure 1

Answer 44

optic canal

Question 45

Name structure 2

Answer 45

SOF

Question 46

Name structure 3

Answer 46

foramen rotundum

Question 47

Name structure 4

Answer 47

foramen ovale

Question 48

Name structure 5

Answer 48

internal acoustic meatus

Question 49

Name structure 6

Answer 49

jugular foramen

Question 50

Name structure 7

Answer 50

foramen magnum

Question 51

Name structure 8

Answer 51

hypoglossal canal

Question 52

Name structure 9

Answer 52

foramen lacerum

Question 53

Name structure 10

Answer 53

foramen spinosum