lecture 21 the brain and injury Flashcards
where are the parasympathetic nerve to the pupil
on the outside of the third nerve
which nerve is runs against the skull
oculomotor nerve
if the third nerve is compressed what will you see
pupils will dilate
which artery is affected if there is a extradural bleeding
middle meningeal artery
what is white in a CT where it shouldnt be
blood
what is it called when there is bleeding under the dura
subdural haematoma
why are older people more likely to bleed when they bang their heads
brain shrinks, veins stretch
what is altered consiousness/amnesia indicative of
blood in the brain
why do people get pain and vomiting when there is blood in the brain
the high pressure activates the vomiting center
contusion
bleeding in the brain matter
what happens if there is an efflux of calcium to the bran
brain cells die
how may there be an efflux of calcium in the brain
disruption to the blood brain barrier lipid bilayer
what happens when there is too much calcium in the brain
free radical formation and lipid peroxidation and an inflammatory response occurs mediated by cytokines
where is the uncus
bottom of the temporal lobe
what can be herniated if there is raised intracranial pressure
uncus
