Protection & Support of Brain

Question 1

What is the order of the cranial meninges?

Answer 1

Pia mater, arachnoid mater, and dura mater

Question 2

PIA MATER:

Answer 2

AREOLAR CT; FOLLOWS EVERY CONTOUR OF THE BRAIN.

Question 3

ARACHNOID MATER:

Answer 3

RESEMBLES SPIDERWEB; COLLAGEN AND ELASTIC FIBERS—ARACHNOID TRABECULAE; BELOW IT IS THE SUBARACHNOID SPACE WHERE CSF IS

Question 4

DURA MATER:

Answer 4

DENSE IRREGULAR CT; STRONGEST OF MENINGES; MENINGEAL LAYER, DEEPER LAYER, AND PERIOSTEAL LAYER, SUPERFICIAL LAYER

Question 5

What is the blood-brain barrier made of?

Answer 5

ASTROCYTES AND ITS PERIVASCULAR FEET

Question 6

What is the blood-brain barrier’s function?

Answer 6

REGULATES WHAT ENTERS AND LEAVES THE BRAIN; KEEPS A STABLE ENVIRONMENT FOR THE BRAIN

Question 7

Name the ventricles.

Answer 7

LATERAL VENTRICLES, THIRD VENTRICLE, AND FOURTH VENTRICLE

Question 8

What are the ventricles lined by?

Answer 8

CSF AND EPENDYMAL CELLS

Question 9

Specific structure that produces CSF (it is made of capillaries + ependymal cells):

Answer 9

CHOROID PLEXUS

Question 10

What are some basic functions of the brainstem?

Answer 10

BREATHING AND BLOOD PRESSURE