Brain

Question 1

The 4 major structural parts of the brain are:

Answer 1

Cerebrum
Diencephalon
Brain stem
Cerebellum

Question 2

Structures that protect and cover the CNS are

Answer 2

Meninges

Question 3

The three layers of the meninges are

Answer 3

Dura mater
Arachnoid mater
Pia mater

Question 4

The subdural space in the meninges is between the [???] and the [???}

Answer 4

dura mater

arachnoid mater

Question 5

A points to

Answer 5

Superior sagittal sinus

Question 6

C points to

Answer 6

Subarachnoid space

Question 7

H points to

Answer 7

Arachnoid mater

Question 8

The line between H and I points to

Answer 8

Pia mater

Question 9

The line between H and I points to

Answer 9

Pia mater

Question 10

G points to

Answer 10

Dura mater, periostial and meningeal layers

Question 11

B points to

Answer 11

Subdural space

Question 12

The 3 extensions of meningeal layer of dura mater that separate parts of the brain are

Answer 12

Falx cerebri - separates cerebral hemispheres
falx cerebelli - separates cerebellar hemispheres
tentorium cerebelli - separates cerebrum and cerebellum

Question 13

What are ventricles and what do they do? What are they lined with?

Answer 13

Cavities in the brain that contain CSF.

Lined with ependymal cells.

Question 14

A points to

Answer 14

Lateral ventricles (two)

Question 15

B points to

Answer 15

Third ventricle

Question 16

C points to

Answer 16

Cerebral aqueduct

Question 17

D points to

Answer 17

Fourth ventricle

Question 18

CSF is formed at what structure?

Answer 18

choroid plexuses - capillaries covered by ependymal cells in all ventricles

Question 19

A points to

Answer 19

A gyrus (the ridges)

Question 20

B points to

Answer 20

A sulcus (the grooves)

Question 21

C points to

Answer 21

A fissure

Question 22

D points to

Answer 22

Frontal lobe

Question 23

E points to

Answer 23

Parietal lobe

Question 24

G points to

Answer 24

Occipital lobe

Question 25

F points to

Answer 25

Temporal lobe

Question 26

The cerebral cortex is made of [???] matter

Answer 26

Gray

Question 27

In the cerebrum, white matter is [???] to gray matter

Answer 27

deep

Question 28

The three functional areas of the cerebral cortex are

Answer 28

1. Motor areas - control voluntary movement 2. Sensory areas - conscious awareness of sensation 3. Association areas

Question 29

White matter in the cerebrum does what?

Answer 29

Communication between all areas of CNS and PNS

Question 30

What are the 3 types of white matter fibers in the cerebrum?

Answer 30

1. Association fibers - transmit signals within the same hemisphere 2. Commissural fibers - transmit signals between hemispheres 3. Projection fibers - Form ascending/descending tracts to spinal cord

Question 31

Areas of gray matter deep to white matter in cerebrum are [???]

Answer 31

Basal nuclei (ganglia)

Question 32

Basal nuclei are important for what function?

Answer 32

Motor pathways

Question 33

A - F point to portions of which part of the brain?

Answer 33

Diencephalon

Question 34

B is pointing to [???], which is part of C

Answer 34

Pineal gland | Epithalamus

Question 35

D points to

Answer 35

Thalamus

Question 36

E points to

Answer 36

Hypothalamus

Question 37

F points to [???] and is part of [???]

Answer 37

Pituitary gland | Hypothalamus

Question 38

The purple stuff is [???] and the green stuff is [???]

Answer 38

Diencephalon | Brainstem

Question 39

H is

Answer 39

Midbrain

Question 40

I is

Answer 40

Pons

Question 41

J is

Answer 41

medulla oblongata

Question 42

What the hell is this?

Answer 42

Cerebellum

Question 43

A is

Answer 43

Anterior lobe

Question 44

B is

Answer 44

Arbor vitae

Question 45

C is

Answer 45

Posterior lobe

Question 46

D is

Answer 46

flocculondular lobe

Question 47

E is

Answer 47

Cerebellar peduncles