10. Meninges, Ventricles, & Cerebsrospinal Fluid

Question 1

Surround and protect the brain and spinal cord

Answer 1

Meninges

Question 2

Most superficial and thickest of the meninges is the ______

Answer 2

Dura mater

Question 3

2 layers of dura mater

Answer 3

Folds of dura mater

Dural venous sinuses

Question 4

Extend into longitudinal fissure between two cerebral hemispheres and between cerebellum and cerebrum

Answer 4

Folds of dura mater

Question 5

Collect blood from small veins of the brain and empty into internal jugular veins

Answer 5

Dural venous sinuses

Question 6

Damage to the veins crossing between the cerebral cortex and dural venous sinuses can cause bleeding into subdural space

Answer 6

Subdural hematoma

Question 7

Important as the injection site

Answer 7

Epidural space

Question 8

Potential space containing a very small amount of serous fluid

Answer 8

Subdural space

Question 9

Very tightly bound to the surface of the brain and spinal cord

Answer 9

Pia mater

Question 10

Between the arachnoid mater and pia mater

Filled with cerebrospinal fluid and contains blood vessels

Answer 10

Subarachnoid space

Question 11

CNS contains fluid filled cavities called _______

Answer 11

Ventricles

Question 12

Bathes the brain and spinal cord, providing a protective cushion around the CNS

Answer 12

Cerebrospinal fluid (CSF)

Question 13

Produce the CSF

Specialized structures made of ependymal cells

Answer 13

Choroid plexuses

Question 14

Masses of arachnoid tissue

Penetrate the superior sagittal sinus, dural venous sinus in longitudinal fissure and CSF

Answer 14

Arachnoid granulations

Question 15

Blockage of the openings in the fourth ventricle

Answer 15

Hydrocephalus