Head Anatomy

Question 1

Functions of the Cerebrum (5)

Answer 1

Motor function
Sensory info
Special sense
Cognition
Memory

Question 2

Functions of Cerebellum (3)

Answer 2

Balance
Coordination
Smooth, synergistic muscle control

Question 3

Functions of Diencephalon (4)

Answer 3

Routing info to appropriate areas
Body temperature regulation
Maintain H2O balance
Emotional control

Question 4

Functions of the Brain Stem (3)

Answer 4

Heart rate regulation
Respiratory regulation
Control of peripheral blood flow

Question 5

Layers of the Meninges (3)

Answer 5

Dura Mater
Arachnoid Mater
Pia Mater

Arterial and venous blood supplies are provided by these structures and production and introduction of CSF occur here.

Question 6

Dura Mater

Answer 6

Outermost covering

Meningeal arteries supply blood to cranial bones

Question 7

Arachnoid Mater

Answer 7

Thin fibers, yet resilient to trauma
Separated from Dura mater by sub dural space
Below arachnoid mater is sub-arachnoid space, contains CSF

Question 8

Pia Mater

Answer 8

Innermost meninge, envelops brain

Follows brains contour, protruding into its fissures and sulci

Question 9

Cerebrospinal Fluid

Answer 9

Originates from Choroid Plexus
Slowly circulates around brain and spinal cord
Allows CNS to “float” within the body
Acts as another buffer from outside forces

Question 10

Blood Circulation

Answer 10

Brain uses 20% of the body’s O2 for each degree the body’s core increases, its O2 need increases by 7%

Question 11

What are the bones of the skull? (6)

Answer 11

Frontal
Parietal
Temporal
Occipital
Sphenoid
Zygomatic