Ventricles and Major Vasculature

Question 1

name the ventricles of the brain

Answer 1

lateral ventricles
3rd ventricle
4th ventricle

Question 2

where is the 3rd ventricle located?

Answer 2

dorsal to diancephalon

Question 3

what connects the 3rd ventricle to the 4th?

Answer 3

cerebral aqueduct

Question 4

where is the 4th ventricle located?

Answer 4

dorsal to the pons/medulla

Question 5

what connects the lateral ventricles to the 3rd ventricle?

Answer 5

foramen of monro

Question 6

where is CSF produced?

Answer 6

choroid plexus of the ventricles of the brain

Question 7

where does CSF flow?

Answer 7

in ventricles and the subarachnoid space

Question 8

after the fourth ventricle where can CSF go?

Answer 8

into subarachnoid space or into the central canal of the spinal cord

Question 9

what are the exit holes called in the fourth ventricle that enter into the subarachnoid space?

Answer 9

dorsal holes

Question 10

where does CSF get reabsorbed?

Answer 10

into arachnoid granulations

Question 11

how do we get hydrocephalus?

Answer 11

blockage of CSF and buildup in the ventricles of the brain

Question 12

if blockage is in aqueduct, where does hydrocephalus occur>

Answer 12

in the lateral and 3rd ventricle only

Question 13

the central sulcus divides what two main landmarks?

Answer 13

precentral gyrus and postcentral gyrus

Question 14

the precentral gyrus is what?

Answer 14

primary motor cortex

Question 15

the postcentral gyrus is what?

Answer 15

primary somatosensory cortex

Question 16

the lateral sulcus divides what?

Answer 16

temporal lobe from rest of the brain

Question 17

in the motor somatopy map, what is located most central?

Answer 17

toes to upper leg

Question 18

in the motor somatopy map, what is located next to the legs?

Answer 18

arm motor movement

Question 19

in the motor somatopy map, what is located next to the arms?

Answer 19

facial movements

Question 20

in the motor somatopy map, what is located most lateral ?

Answer 20

tongue, swallowing

Question 21

do motor and sensory somatopy maps match?

Answer 21

yes…so leg to arm to face to throat moving medial to lateral

Question 22

what lies just anterior to the primary motor cortex?

Answer 22

motor association cortex

Question 23

what lies just posterior to the primary somatosensory cortex?

Answer 23

somatosensory association area

Question 24

what is Brocas area used for?

Answer 24

language production

Question 25

where is brocas area located?

Answer 25

usually left hemisphere, frontal lobe

Question 26

what is wernickes area used for?

Answer 26

language understanding

Question 27

where is wernickes located?

Answer 27

temporal lobe close to the vision and hearing areas

Question 28

where do arteries and vein run along in the brain?

Answer 28

run in the subarachnoid space

Question 29

what type of blood vessel is in the BBB?

Answer 29

capillaries that have penetrated into the brain from the arteries in the subarachnoid space

Question 30

what pair or arteries is considered the anterior blood supply to the brain?

Answer 30

internal carotids

Question 31

what pair or arteries are considered the posterior blood supply to the brain?

Answer 31

vertebral arteries

Question 32

vertebral arteries are branches off of what?

Answer 32

subclavian arteries

Question 33

the left and right vertebral arteries come together to form what?

Answer 33

basilar artery

Question 34

the internal carotid has two branches in the brain...name them

Answer 34

anterior cerebral artery | middle cerebral artery

Question 35

the anterior cerebral has an artery...name it

Answer 35

anterior communicating

Question 36

what does the anterior communicating artery connect?

Answer 36

anterior cerebral arteries from left and right side

Question 37

middle cerebral artery has a branch...name it

Answer 37

posterior communicating

Question 38

what does the posterior communicating artery connect?

Answer 38

links the middle cerebrals on each side to the posterior cerebral arteries

Question 39

name the two branches of the basilar artery

Answer 39

posterior cerebral and superior cerebellar

Question 40

name the two branches of the superior cerebellar

Answer 40

pontine and anterior inferior cerebellar

Question 41

name the three branches of the vertebral artery

Answer 41

posterior inferior cerebellar anterior spinal posterior spinal

Question 42

the anterior and posterior spinal arteries are branches of what?

Answer 42

vertebral artery

Question 43

the superior cerebellar is a branch of what?

Answer 43

basilar artery

Question 44

the anteriro inferior cerebellar is a branch from what artery?

Answer 44

superior cerebellar

Question 45

the posterior inferior cerebellar is a branch from what artery?

Answer 45

vertebral artery

Question 46

the circle of willis is around what brain structure?

Answer 46

diencephalon

Question 47

the circle of willis consists of 6 vessels..name them

Answer 47

anterior, middle and posterior cerebral internal carotid anterior and posterior communicatings

Question 48

where does the anterior cerebral lie?

Answer 48

on the medial surface of the longitudinal fissure

Question 49

name two locations of cerebral hemisphere that anterior cerebral artery supplies

Answer 49

medial aspect of frontal lobe and parietal lobe

Question 50

the middle cerebral artery lies where?

Answer 50

lateral fissure between the frontal and temporal lobes

Question 51

name three specific locations the middle cerebral artery supplies

Answer 51

lateral parts of frontal, temporal and parietal lobes

Question 52

what are the main functions supplied by flow from the middle cerebral artery?

Answer 52

motor and sensory to upper extremity and face | brocas and wernickes areas (speech and receptive language respectively)

Question 53

what are the main functions supplied by the flow of the anterior cerebral artery?

Answer 53

motor and sensory of legs

Question 54

the middle cerebral arteries has a deep branch...name it

Answer 54

lenticulostriate arteries AKA deep penetrating arteries

Question 55

what do the deep penetrating arteries of the middle cerebral artery supply?

Answer 55

basal ganglia and internal capsule

Question 56

what two things are inside the internal capsule?

Answer 56

descending motor tract and ascending somatosensory tract

Question 57

where does the posterior cerebral artery lie?

Answer 57

on inferior surface of the temporal lobe

Question 58

what two locations does the posterior cerebral artery supply?

Answer 58

occipital lobe as a whole and part of temporal lobes

Question 59

what is the function of the area supplied by the posterior cerebral artery?

Answer 59

mainly vision

Question 60

the brainstem gets blood supply from what two original vessels?

Answer 60

basilar and vertebral

Question 61

the SC gets blood supply from what two main vessels? what vessel do these originate from?

Answer 61

anterior and posterior spinal vessels that originate from the vertebral artery