Exam 4 - Meninges and Spine

Question 1

Three layers of mengines?

Answer 1

Dura
Arachnoid
Pia

Question 2

How many Dura layers in brain and spine?

Answer 2

Brain=2

Spine=1

Question 3

Which Dura layer on bone, which on CNS?

Answer 3

Outer layer=bone

Inner layer=CNS

Question 4

Does Arachnoid layer adhere to Pia

Answer 4

No

Question 5

What is innermost meningeal layer?

Answer 5

Pia

Question 6

What areas where two dura layers separate?

Answer 6

Dura Sinuses

Question 7

Where do Dura Sinuses eventually drain into?

Answer 7

Internal Jugular Vein

Question 8

Where and is Epidural Space? What pathologies?

Answer 8

Dura-Skull interface. Epidural hemorrhage from Middle and Epidural Abscess

Question 9

Which artery responsible for Epidural Hemorrhage?

Answer 9

Middle Meningeal Artery

Question 10

Where is Sub-Doral Space? What contains? What pathology?

Answer 10

Dura-Arachnoid Interface. Contains blood vessels supply brain. Subdural Hemorrhage.

Question 11

What causes Subdural Hemorrhage?

Answer 11

Rupture of cerebral veins passing from brain to venous sinus

Question 12

Where is Sub-arachnoid Space? What does it contain? Pathology?

Answer 12

Arachnoid-Pia interface. Contains CSF! Subarachnoid Hemorrhage.

Question 13

Where is CSF contained?

Answer 13

Subarachnoid Space (Arachnoid-Pia interface)

Question 14

Where does Subarachnoid Hemorrhage occur? Due to what?

Answer 14

Subarachnoid Space (Arachnoid-Pia interface). D/T “Berry Anuerysms”. “Worst HA ever!”