Severson

Question 1

Subarachnoid hemorrhage

Answer 1

occurs between the subarachnoid membrane and the pia - involves rupture of a cerebral artery

Question 2

Subdural hemorrhage or hematoma

Answer 2

occurs between the dura and the arachnoid membrane - involves rupture of a cerebral vein

Diffuse appearance on MRI

Question 3

Epidural hemorrhage or hematoma

Answer 3

occurs between the dura and the bone - involves rupture of a meningeal artery

Hematoma has a lens like appearance on MRI

Question 4

Morphological Features of the Cerebrum

Efferent fibers

___________ (direct system) constitutes the upper motor neurons. Axons of upper motor neurons generate _____________ on lower motor neurons and on interneurons

Answer 4

Pyramidal motor system

excitatory postsynaptic potentials (EPSPs)