Neuro powerpoint Flashcards
Name 3 meningeal layers?
Dura
Arachnoid
Pia
What is weakest part skull? Why?
Pterion
Where frontal parietal temporal and sphenoid bones meet
Identify artery circled yellow?
Left middle cerebral
Which parts of brain does middle cerebral artery supply?
Primary motor and somatosensory areas of face
Broca
Wernickes
Where are motor areas located?
Where are somatosensory areas located?
Motor- frontal lobe- in front central sulcus
Somatosensory- parietal lobe- behind central sulcus
Identify 1,2,3
1- left posterior cerebral
2- anterior cerebral
3- basilar
What is brain supplied by (2)?
Internal carotid arteries
Vertebral arteries
Form COW
What is medical term for not smelling anything?
Anosmia
What could result in anosmia?
Fracture base skull (anterior cranial fossa)
Disrupt olfactory nerves
Which muscle isn’t working?
Which nerve?
Left medial rectus
Oculomotor
Draw movement occular muscles
What change would expect to see in pupil of affected eye and why?
Pupil dilated and won’t respond to light (constrict)
Left oculomotor nerve injured carries parasympathetic- responsible pupillary constriction
Which muscles unaffected?
Superior oblique- down and out, troch
Lateral rectus- abduct, abducens
What is it called when eyelid droops?
Ptosis