Ch. 4: Meninges & Ventricular System

Question 1

The CSF circulates in the:
A. Extradural space
B. Subdural space
C. Subarachnoid space
D. None of the above

Answer 1

C. Subarachnoid space

Question 2

The leptomeninges represent the:
A. Dura mater only
B. Arachnoid membrane only
C. Dura mater and arachnoid
D. Pia mater and arachnoid

Answer 2

D. Pia mater and arachnoid

Question 3

The cerebral aqueduct is located in the:
A. Medulla
B. Pons
C. Cerebrum
D. Midbrain

Answer 3

D. Midbrain

Question 4

T/F: The choroid plexus is present in the midbrain.

Answer 4

False

Question 5

T/F: Composition of CSF is similar to that of plasma, except the CSF has much higher protein and glucose.

Answer 5

False

Question 6

T/F: The falx cerebri is the meninges separating the cerebrum and cerebellum.

Answer 6

False

Question 7

The blood-CSF barrier is the:
A. Capillary endothelium of the choroid plexus
B. Capillary endothelium of the cerebral cortex
C. Choroid epithelium of the choroid plexus
D. Arachnoid

Answer 7

C. Choroid epithelium of the choroid plexus

Question 8

T/F: The CSF in the third ventricle enters the lateral ventricles via cerebral aqueduct.

Answer 8

False

Question 9

T/F: The choroid plexus produces the CSF.

Answer 9

True

Question 10

Na+/K+ ATPase are located on the _____ membrane of endothelial cells.
A. Luminal
B. Abluminal

Answer 10

B. Abluminal