dissection contents of the skull

Question 1

what supplies blood to the meninges

Answer 1

anterior middle and posterior meningeal arteries

Question 2

where are the meningeal arteries found

Answer 2

in the outer end-steal dura mater

Question 3

what are the real and potential spaces

Answer 3

real - subarachnoid

potentail - extradural

Question 4

how does blood drain from the head

Answer 4

most via sinuses and internal jugular veins

restore emissary veins that connect with superficial venous drainage

Question 5

what do the vertebral arteries and their branches supply

Answer 5

medullar

Question 6

vertebral artery branches

Answer 6

posterior and anterior spinal

posterior inferior cerebellar arteries

Question 7

what does the bacillary artery supply

Answer 7

cortex medulla and pons

via anterior inferior cerebellar arteries

Question 8

branches off the bacillary artery

Answer 8

pontine artiers
labyrinthe (internal ear)
superior cereballer artery (cerebellum pons and midbrain)

Question 9

what does the posterior cerebral arteries supply

Answer 9

occipital and temporal lobe

Question 10

what do the anterior cerebral arteries supplu

Answer 10

medial inferior surface fronta love
medial surface of frontal and parietal lobes
lateral surface

Question 11

what does the middle cerebral arteries suppl

Answer 11

lateral surface of frontal, parietal and temporal lobes

Question 12

what are the connections between the pairs of cerebral arteries

Answer 12

anterior and posterior communicating arteries

Question 13

which cranial nerve has the longest intercrainial course in contact with bone

Answer 13

abducens

may be compressed if intracranial pressure is raised

Question 14

compression of abducens symton

Answer 14

double vision

Question 15

function of CSF

Answer 15

cushioning

supplies nutrients

Question 16

circulation of CSF through the ventricles

Answer 16

lateral ventricles to the third ventricle
down the cerebral aqueduct into the 4 th ventricle
enters subarachnoid space

Question 17

what if the CSF is blocked

Answer 17

hydrocephalus(local accumulation above blockage)

Question 18

where is CSF blockage most likely to occur

Answer 18

cebebral aqueduct

Question 19

what happens in the medulla

Answer 19

control of respiration and caridoasular system

Question 20

what happens in the pon

Answer 20

links cerebellum with brainstem and spinal cord

Question 21

what happens in midbrain

Answer 21

connects pons to forebrain

Question 22

cranial fossa

Answer 22

anterior middle and psoterior

Question 23

what is in each cranial fossa

Answer 23

frontal lobes - anterior
temporal lobes-middle
brainstem and cerebellum-posteriorcrainal fossa

Question 24

what is the corpus callosum

Answer 24

broad band of fibres that joins the two hemisphers

Question 25

sensory cortex

location,function, bloody supply

Answer 25

parietal lobe
sensation perception
middle cerebral artery

Question 26

motor cortex

location,function, bloody supply

Answer 26

frontal lobe
control of voluntary muscle
anterior and middle cerebral arteries

Question 27

visual cortex

Answer 27

occipital
visual stimuli
posterior cerebral artery

Question 28

auditory corex

Answer 28

temporal lobe
auditory stimuli
middle cerebral artery

Question 29

broca

Answer 29

left frontal lobe
motor coordination of speed
middle cerebral artery

Question 30

wwenickes are

Answer 30

left temporal and parietal lobe
interpretation of speech
middle cerebral artery

Question 31

damage to anterior cerebral artery

Answer 31

sensory and motor loss to contralateral leg

Question 32

damage to middle cerebral artery

Answer 32

loss of somatosensory/motor areas

speech probelsm

Question 33

damage to posterior middle artier

Answer 33

loss of vision on one side

Question 34

grey vs white matter

Answer 34

grey - cell bodies, dendrites and syanpses

white - axons

Question 35

what is the basal ganglia involvdin and if that is diseased..

Answer 35

motor system

dyskesia

Question 36

black area of the brain

Answer 36

substantia nigra

- has dopamine

Question 37

parkinsons disease

Answer 37

reduction in dopamine

Question 38

what does somatatopic mean

Answer 38

Point-for-point correspondence of an area of the body to a specific point on central nervous system