Chapter 12 - The Central Nervous System

Question 1

Sensory and Motor functions are performed by the —– Nervous system

Answer 1

PNS

Question 2

Integrative functions are carried out exclusively by the —– Nervous sytem

Answer 2

CNS

Question 3

Brain is consisted of 4 divisions

Answer 3

Cerebrum
Diencephalon
Cerebellum
Brainstem

Question 4

Cerebrum is enlarged, superior portion, composed of right and left ———

Answer 4

Hemispheres

Question 5

Cerebrum is responsible for higher mental functions, including….

Answer 5

Learning, memory, personality, conscience, cognition (thinking), language, major role in sensation and movement

Question 6

Diencephalon - Central core, composed of 4 parts, and responsible for…

Answer 6

• Processing, Integrating, and relaying information
• Maintaining homeostasis of physiological variables
• Regulation of movement, biological rythyms

Question 7

Cerebellum - Posterior, inferior portion, composed of right and left ….

Answer 7

Hemispheres

Question 8

Cerebellum is important in…

Answer 8

• Planning and coordination of movement
• Complex activities like sports or playing an instrument

Question 9

Brainstem - Connects the ——– and ———-
(Fatal if damaged)

Answer 9

Brain & Spinal cord

Question 10

Brainstem controls basic INVOLUNTARY processes like…

Answer 10

• Rate and depth of breathing
• Mediate certain reflexes
• Monitor movement
• Integrate and relay information to other parts of the nervous system

Question 11

——- Long , tubular organ encased within the vertebral cavity

Answer 11

Spinal cord

Question 12

Spinal cord begins at the —– —–, where it blends with the brainstem

Answer 12

Foramen magnum

Question 13

White Matter contains ——- Axon

Answer 13

Myelinated Axon

Question 14

Grey Matter contains ——- Axon

Answer 14

Unmyelinated Axon

Question 15

Brain has the grey matter on the —— while spinal cord has it on the —–

Answer 15

outside (External)
inside (Internal)

Question 16

Outer layer of cerebrum - contains ——- Matter

Answer 16

Cerebral Cortec - Grey Matter

Question 17

5 Lobes of the Cerebral Hemispheres

Answer 17

Frontal Lobe
Parietal Lobe
Temporal Lobe
Occipital Lobe
Insulas

Question 18

Clusters of cell bodies buried in the cerebral hemispheres, they inhibit involuntary movement and initiate voluntary movement

Answer 18

Basal nuclei - (Gray Matter)

Question 19

Prevents upper motor neurons from spontaneous, muscle contractions

Answer 19

Globus pallidus

Question 20

Inhibit globus pallidus to begin movement

Answer 20

Caudate nucleus and putamen

Question 21

Connect cerebral hemispheres

Answer 21

Commissural fibers

Question 22

Comissural Fibers - Largest of four groups of fibers in cereberum makes up the

Answer 22

Corpus callosum

Question 23

Connect cerebral cortex of one hemisphere to other areas

Answer 23

Projection fibers

Question 24

projection fibers form a radiating pattern called

Answer 24

corona radiata

Question 25

corona radiata condense to form v-shaped bands called

Answer 25

Internal capsules

Question 26

Restricted to a single hemisphere and connect gray matter of cortical gyri (area) with one another

Answer 26

Association Fibers

Question 27

Hippocampus is connected to a c-shaped ring of ------- Matter called

Answer 27

White Matter Forinx

Question 28

Hippocampus 3 main functions

Answer 28

Memory Spatial Navigation Learning

Question 29

Amygdala main function

Answer 29

behavioral expression of emotion (fear)

Question 30

Consists of 2 large masses of Gray Matter

Answer 30

Thalamus

Question 31

Diencephalon has 4 components

Answer 31

Thalamus Epithalamus Hypothalamus Subthalamus

Question 32

Regulates sleep/wake cycle, thirst and hunger body temperature

Answer 32

Hypothalamus

Question 33

Control basic functions - Maintainance of heart rate and breathing rhythm

Answer 33

Brainstem

Question 34

Circadian rhythm controlled by hypothalamic ---------- or biological clock

Answer 34

Suprachiasmatic Nucleus (SCN)

Question 35

In the temporal lobe, responsible for understanding language and linking a word with its correct symbolic meaning

Answer 35

Wernicke's Area

Question 36

Declarative Memory is about

Answer 36

Facts

Question 37

Nondeclarative memory is about

Answer 37

Skills

Question 38

Inside the skull - 3 features add protection to brain

Answer 38

Cranial meninges Cerebrospinal fluid (CSF) Blood Brain Barrier BBB

Question 39

spinal cord has 2 roles

Answer 39

Relay station Processing station