head injuries Flashcards
1
Q
between what meningeal layers is CSF found?
A
Arachnoid and Pia
2
Q
What nerve innervates the retina?
A
Optic Nerve (sensory)
3
Q
What nerve innervates the circular muscle in the iris?
A
Oculomotor (CN III)
4
Q
What nerves are involved in the pupillary light reflex?
A
Optic and Oculomotor
5
Q
What does consciousness depend on?
A
Integrity cerebral cortex and ascending reticular activating system
6
Q
What affects the cerebral perfusion pressure
A
RAISED intracranial pressure
7
Q
Where does an extradural hematoma occur?
A
between dura matter and skull
