Ch. 13

Question 1

What are the two divisions of the nervous system?

Answer 1

Central and Peripheral (CNS and PNS)

Question 2

What part of the neural tube becomes the spinal chord?

Answer 2

Posterior portion

Question 3

How many regions does the primary vesicle stage have?

Answer 3

3: forebrain, midbrain, hindbrain

Question 4

How many regions does the secondary vesicle stage have?

Answer 4

5: telencephalon, diencephalon, mesencephalon, metencephalon, myelencephalon

Question 5

Where is the bend in the neuraxis for humans?

Answer 5

Between the brain stem and the diencephalon

Question 6

Why do we have a bend in the neck?

Answer 6

So that the eyes and face are oriented forward.

Question 7

What is Spinal Bifida?

Answer 7

A defect caused when the neural tube does not completely close but development continues

Question 8

Which division is the cerebrum a part of?

Answer 8

CNS

Question 9

What is the most obvious aspect of the cerebrum?

Answer 9

Cerebral cortex (folded surface)

Question 10

How many lobes does the cerebral cortex have?

Answer 10

4

Question 11

What are the four lobes of the cerebral cortex?

Answer 11

Frontal, parietal, occipital, and temporal

Question 12

What are the major components of the basal nuclei?

Answer 12

Caudate, putamen, and the globus pallidus

Question 13

Broca’s area is responsible for

Answer 13

Language and auditory processing; speech

Question 14

Primary motor cortex is located in

Answer 14

The frontal area

Question 15

Primary sensory cortex is located in

Answer 15

The parietal area

Question 16

Both the motor and sensory cortexes ___ differ from brain to brain

Answer 16

Do not

Question 17

The Broca’s area is located in the

Answer 17

Frontal lobe

Question 18

Grey matter is made up of

Answer 18

Unmyelinated axons

Question 19

White matter is made up of

Answer 19

Myelinated axons

Question 20

GABA is an enzyme that

Answer 20

Stops movement

Question 21

The brain stem is the communication area between

Answer 21

The brain and the body

Question 22

The pons is the

Answer 22

Transition area

Question 23

What cells create the myelin sheath in the brain/CNS

Answer 23

Oligodendricytes

Question 24

What cells create the myelin sheath in the PNS

Answer 24

Schwann cells

Question 25

Where does spinal fluid flow through the spinal cord?

Answer 25

Central canal

Question 26

What are the meninges?

Answer 26

The membranes surrounding the brain

Question 27

What is the thickest layer of meninges?

Answer 27

Dura mater

Question 28

What are the layers of the meninges(from brain to skull

Answer 28

Pia, arachnoid, and dura

Question 29

How deep do veins go into the brain?

Answer 29

To the subarachnoid space

Question 30

Pia mater comes in direct contact with

Answer 30

Brain tissue

Question 31

Where is the choroid plexus located?

Answer 31

In the center of the brain

Question 32

What does the choroid plexus do?

Answer 32

Creates and recycles CSF(cerebral spinal fluid)

Question 33

A unipolar neuron ___ of the axon

Answer 33

Hangs off of

Question 34

A bipolar neuron has ___ axons connected to it

Answer 34

Two

Question 35

Nerve structures are set up similarly to

Answer 35

Muscle cells

Question 36

What membrane covers neurons

Answer 36

Endoneurium

Question 37

What membrane covers nerve fascicles

Answer 37

Perineurium

Question 38

What membrane covers nerves

Answer 38

Epineurium

Question 39

Cranial nerves ___ go through the spinal cord

Answer 39

Do NOT

Question 40

Olfactory is

Answer 40

Smell; cranial nerve I

Question 41

Optic nerve is

Answer 41

Sight; cranial nerve II

Question 42

Oculomotor nerve is

Answer 42

Eye movement, cranial nerve III

Question 43

Trochlear nerve is

Answer 43

For muscles; cranial nerve IV

Question 44

Trigeminal nerve

Answer 44

Mouth/face/neck; cranial nerve V

Question 45

Abducens nerve

Answer 45

Muscles; cranial nerve VI

Question 46

Facial nerve

Answer 46

Facial muscle and sensory; cranial nerve VII