Nervous System

Question 1

All _____ are made up of a soma, dendrites and one axon

Answer 1

neurons

Question 2

______ are glial cells that synthesize the myelin

that surrounds axons of neurons

Answer 2

Oligodendrocytes

Question 3

______ are glial cells that support neurons. Their foot processes terminate on blood vessels and form
the blood-brain-barrier (BBB)

Answer 3

Astrocytes

Question 4

_____ are the inflammatory cells of the brain and antigen-presenting cells.
They are like macrophages of the brain

Answer 4

Microglia

Question 5

_____ cells are glial cells that look like epithelial cells. They form the lining of the ventricles
and make choroid plexus

Answer 5

Ependymal

Question 6

Trauma to the temporal bone may result in transection of the middle meningeal artery, which is situated between the calvaria and the dura. Damage to this artery causes a progressive accumulation of blood within the epidural space.

Answer 6

Epidural hematoma

Question 7

Initially patients may be asymptomatic; as the hematoma enlarges, global cerebral hypoxia, ischemia and confusion develops; Cushing reflex

Answer 7

epidural hematoma

Question 8

Trauma can cause shearing effect on the bridging veins within the subdural space

Answer 8

subdural hematoma

Question 9

Clinical Features – headache, contralateral weakness, seizures, or lack of demonstrable symptoms; bilateral hematoma may lead to cognitive impairment; the hematoma may resolve, remain static or enlarge

Answer 9

subdural hematoma

Question 10

may occur following trauma or rupture of a berry aneurysm in the Circle of Willis.

Answer 10

subarachoid hematoma

Question 11

Most common type of intracranial aneurysm

Answer 11

saccular (berry) anuerysm

Question 12

Clinical Features – a sudden severe headache, photophobia, progressive loss of consciousness, and coma; subarachnoid bleed may be diagnosed by the presence of blood in the CSF by a lumbar puncture

Answer 12

subarachnoid hematoma