Brain and Cranial Nerves

Question 1

Where and what is the gray matter of the Brain?

Answer 1

Outer part of the cerebrum and cerebellum

Contains neurosomas, dendrites, and synapses

Question 2

Where and what is the white matter of the Brain?

Answer 2

Inner part of the brain

Contains tracts

Question 3

What are Meninges of the Cranium?

Answer 3

Dura Mater: Tough outer layer
Arachnoid mater: transparent, middle layer
Pia Mater: delicate inner layer (membrane-like covering of the brain)

Question 4

Falx Cerebri

Answer 4

Located inbetween the hemispheres of the brain

Question 5

Tentorium Cerebelli

Answer 5

Located in between Cerebrum and Cerebellum

Question 6

What do Lateral Ventricles contain?

Answer 6

Consists of Intraventricular foramen

Question 7

Where is the third ventricle?

Answer 7

Superior to cerebral aqueduct

Question 8

Where is the 4th ventricle?

Answer 8

Inferior to Cerebral aqueduct

Question 9

What is the Cerebrospinal fluid?

Where is it found?

Answer 9

Clear, colorless fluid

Flows within ventricles, canals, and subarachnoid space around the CNS

Question 10

What does the Cerebrospinal fluid do?

Answer 10

Provides buoyancy, protection, and chemical stability

Question 11

Name the statistics of the Brain.
% of body weight
% of blood received
% of oxygen and glucosed used

Answer 11

2% body weight
Receives 15% of blood
Uses 20% of oxygen and glucose