Chapter 11

Question 1

What makes up the CNS?

Answer 1

Brain and spinal cord

Question 2

What makes up the PNS?

Answer 2

Cranial and spinal nerves

Question 3

How many pairs of cranial nerves are there?

Answer 3

12

Question 4

How many pairs of spinal nerves are there?

Answer 4

31

Question 5

Voluntary movement portion of the nervous system

Answer 5

Somatic

Question 6

Involuntary movement portion of the nervous system

Answer 6

Autonomic

Question 7

What are the 2 branches of the autonomic system?

Answer 7

Parasympathetic and sympathetic

Question 8

Is swallowing part of the somatic or autonomic nervous system?

Answer 8

Both

Question 9

Is speech part of the somatic or autonomic nervous system?

Answer 9

Somatic

Question 10

What determines how fast a neuron is?

Answer 10

Myelin

Question 11

Insulation surrounding axons

Answer 11

Myelin

Question 12

Produces myelin in CNS

Answer 12

Oligodendrocytes

Question 13

Produces myelin in PNS

Answer 13

Schwann cells

Question 14

Space between axon and dendrite used for transmission of impulse

Answer 14

Synapse

Question 15

What is the most common type of synapse?

Answer 15

Axo-dendritic

Question 16

Neuron group in PNS

Answer 16

Nerve

Question 17

Neuron group in CNS

Answer 17

Tract or pathway

Question 18

Groups of nerves/axons traveling together

Answer 18

Tract

Question 19

Axons across 2 hemispheres

Answer 19

Commissural fibers

Question 20

Axons within 1 hemisphere

Answer 20

Association fibers

Question 21

Axons between different areas out of the brain

Answer 21

Projection fibers

Question 22

Group of cell bodies together

Answer 22

Gray matter

Question 23

Axons connecting

Answer 23

White matter

Question 24

Largest commissural tract

Answer 24

Corpus callosum

Question 25

What happens when you damage the CNS?

Answer 25

Regeneration of axon not possible

Question 26

What happens when you damage the PNS?

Answer 26

Functional regeneration of axon if cell body is still alive

Question 27

What are the 3 types of meninges from outer to inner?

Answer 27

Dura mater, arachnoid mater, pia mater

Question 28

Covering around CNS

Answer 28

Meninges

Question 29

Thick and leather-like meninges

Answer 29

Dura mater

Question 30

Web-like meninges

Answer 30

Arachnoid mater

Question 31

Delicate layer of meninges; saran wrap of the brain

Answer 31

Pia mater