Arteries

Question 1

Anterior Cerebral Artery

Supply & Source?

Answer 1

supplies medial frontal lobe and medial parietal lobe

source is the internal carotid

Question 2

Anterior communicating artery

source and supplies

Answer 2

source is anterior cerebral arteries

just connects the anterior cerebral arteries

Question 3

Middle cerebral artery source and supply?

Answer 3

source: internal carotid
supply: lateral cerebral cortex and anterior temporal lobes

Question 4

posterior cerebral artery

supply and source?

Answer 4

supply: medial occipital and medial temporal lobe
source: basilar artery

Question 5

Vertebral artery

source and supply

Answer 5

source: subclavian artery
supplies: brainstem, cerebellum and posterior brain

Question 6

basilar artery

source and supply?

Answer 6

source: vertebral artery

supplies circle of willis

Question 7

caudate nucleus

receives input from…?
output …??

function

Answer 7

receives input from the cerebral cortex

output is the globus pallidus

function: planning and organizing specific motor program/output

Question 8

Globus Pallidus
output?
Input?
function?

Answer 8

function: regulation of voluntary movement
receives input from striatum
output: the thalamus

Question 9

Putamen

input?
output?
function?

Answer 9

receives info from cerebral cortex
output is the globus pallidus
function: motor preparation & motor execution

Question 10

Substantia nigra

output/lesion

Answer 10

output: to thalamus
lesion: parkinson’s disease

Question 11

Subthalamic nucleus

input?

Answer 11

globus pallidus

Question 12

Cerebral peduncle

- tracts its involved in? function?

Answer 12

corticospinal tract

function: carry motor signals to lower motor neurons to control skeletal muscles

Question 13

Medulla

What decussates?

Answer 13

medial leminscal tract in caudal medulla, corticospinal tract at pyramid decussation?

Question 14

Anterior lobe of the cerebellum
function
lesions?

Answer 14

coordination of movement across multiple joints, error correction

lesion: deficits in motor coordination in the lower limb and trunk

Question 15

posterior lobe of cerebellum
function and lesion?

Answer 15

function: fine motor coordination, motor planning, hand-eye coordination
lesion: loss of coordinated movements of ipsilateral limb, dysmetria, intention tremor, dysdiadochokinesia

Question 16

primary fissure

Answer 16

separates anterior and posterior lobe of cerebellum

Question 17

Flocculus function

Answer 17

eye movements, vestibulocular reflex, balance

Question 18

calcarine sulcus

Answer 18

separates the lingual gyrus and cuneate gyrus

Question 19

central sulcus

Answer 19

separates the precentral gyrus and postcentral gyrus

Question 20

precentral gyrus contains what info

Answer 20

primary motor cortex

Question 21

postcentral gyrus contains what info

Answer 21

somatosensory cortex

Question 22

corpus callosum - components?

Answer 22

genu, body, splenium

Question 23

hippocampus involved in?

Answer 23

limbic system, declarative memory, short term to long term memory, spatial memory for navigation

Question 24

Internal capsule function

Answer 24

The internal capsule describes a region deep in the brain that functions as a communication pathway. The internal capsule allows communication between areas of the cerebral cortex and areas of the brainstem

Question 25

corona radiata contains which tracts

Answer 25

contains ascending and descending tracts that connect to the crebral cortex
corticospinal and corticobulbar

Question 26

lateral fissure

Answer 26

divides the frrontal and parietal lobes from the temporal lobe

Question 27

lingual gyrus location and lesion

Answer 27

located below calcarine fissure

Question 28

lingual gyrus

lesion

Answer 28

loss of contralateral upper visual field in both eyes

Question 29

precentral gyrus tracts

Answer 29

descending coticospinal; corticobulbar

Question 30

post central gyrus tracts/info?

Answer 30

primary somatosensory cortex

ascending medial lemniscus and spinothalamic

Question 31

mammillary bodies

Answer 31

memory info, part of limbic system

Question 32

thalamus

Answer 32

relay for sensor information to the cerebral cortex

Question 33

cerebral aqueduct connects

Answer 33

third and fourth ventricle

Question 34

optic tracts connects what two structures?

Answer 34

optic chiasm to the lateral geniculate nucleus

Question 35

amygdala

Answer 35

emotional memory formation