Ch 14 The Brain and Cranial Nerves

Question 1

What are the 4 major parts of the brain?

Answer 1

1. Brainstem
2. Cerebellum
3. Diencephalon
4. Cerebrum

Question 2

where does the cerebrospinal fluid reside?

Answer 2

Subarachnoid Space

Question 3

What is the function of CSF?

Answer 3

1. Shock Absorber
2. Protection from Chemical injury
3. Circulation of nutrients and wastes removal

Question 4

what are the structures of the brainstem

Answer 4

1. Medulla Oblongata
2. Pons
   Midbrain

Question 5

This part of the brainstem is the “Vital Center”

Answer 5

Medulla Oblongata

Question 6

This part of the brainstem is the bridge that connects right and left sides of the cerebellum, and is the respiratory center

Answer 6

The Pons

Question 7

what part of the brain is responsible for connects the pons to diencephalon?

Answer 7

Midbrain

Question 8

what does the midbrain do?

Answer 8

1. Eye movement
2. Auditory Processing
3. Visual Processing

Question 9

what brain structure is called the “little brain”

Answer 9

Cerebellum

Question 10

what is the primary function of the cerebellum?

Answer 10

Coordination of muscle activity

Question 11

what could be the cause of having damage of the cerebellum

Answer 11

• Jerky movement
• staggered gait
• difficulty maintaining balance

Question 12

where is the location of the diencephalon?

Answer 12

located beneath the cerebrum and above the brain stem

Question 13

This gland in the brain is the relay station for most sensory tracts

Answer 13

Thalamus

Question 14

This gland in the brain controls body function: hormone production, water balance, body temperature and sleep pattern

Answer 14

Hypthalamus

Question 15

which part of the brain is the biggest structure out of all of them

Answer 15

Cerebrum

Question 16

what is the structured called that helps connect the left and right hemisphere of the cerebrum

Answer 16

Corpus Callosum

Question 17

what are the ridges called for the brian?

Answer 17

Cerebral Gyri

Question 18

what are the deep fissures called of the brain

Answer 18

Sulci

Question 19

what is the outer layer that is composed of gray matter of the brain

Answer 19

Cerebral Cortex

Question 20

what does the frontal lobe control?

Answer 20

1. Motor Function
2. Speech
3. Decision Making
4. Comparing/Catergorizing
5. Long Term Memory
6. Forms Your personality and behavior

Question 21

Where is the Broca’s Area reside

Answer 21

Left Hemisphere

Question 22

What is the function of the Parietal Lobe

Answer 22

1. Somatosensory area
2. Sensation:
   * Skin
   * Pain
   * Temperature
   * Touch
   * Propioception

Question 23

What is the function of the temporal lobe

Answer 23

Helps to:
* Hear
* Smell
* Language

Question 24

in what lobe is the wernicke’s area found

Answer 24

Temporal Lobe

Question 25

what is the funciton of the occipital lobe

Answer 25

Helps with sight and depth perception and 3d sight

Question 26

Cranial Nerve I

Answer 26

Olfactory

Question 27

Cranial Nerve II

Answer 27

Optic

Question 28

Cranial Nerve III

Answer 28

Oculomotor

Question 29

Cranial Nerve IV

Answer 29

Trochlear

Question 30

Cranial Nerve V

Answer 30

Trigeminal

Question 31

Cranial Nerve VI

Answer 31

Abducens

Question 32

Cranial Nerve VII

Answer 32

Facial

Question 33

Cranial Nerve VIII

Answer 33

Vestibulocochlear

Question 34

Cranial Nerve IX

Answer 34

Glossopharyngeal

Question 35

Cranial Nerve X

Answer 35

Vagus

Question 36

Cranial Nerve XI

Answer 36

(Spinal) Accessory

Question 37

Cranial Nerve XII

Answer 37

Hypoglossal

Question 38

This nerve is all sensory and connects the nerve's bulbs from the nose to temporal lobe

Answer 38

Olfactory Nerve (I)

Question 39

This nerve is all sensory, this nerve also comes together at a chiasm

Answer 39

Optic Nerve (II)

Question 40

How does the optic chiasm work

Answer 40

The fibers from the medial side of the eye crosses over to the other side while the lateral side remains ipsilateral

Question 41

This nerve is all motor only and controls the muscles that move the eyeball

Answer 41

Oculomotor (III), Trochlear (IV), & Abducens (VI)

Question 42

This nerve is the largest cranial nerve, mixed with motor and sensation

Answer 42

Trigeminal Nerve (V)

Question 43

what are the 3 regions of the trigeminal nerve

Answer 43

1. Ophthalmic 2. Maxilary 3. Mandibular

Question 44

This nerve is a mix of motor and sensory, controls the muscles of the face for expression and mastication

Answer 44

Facial Nerves (VII)

Question 45

This nerve is sensory nerve and has two branches that are equilibrium and hearing

Answer 45

Vestibulocochlear Nerve VIII

Question 46

This is a mixed nerve that has senses for taste buds, monitors blood pressure and CO levels, and motor muscles that assist in swallowing

Answer 46

Glossopharyngeal Nerve (IX)

Question 47

This is a mixed nerve : muscles for swallowing, vocalizing and coughing Sensory : sensation around the ear, has some taste buds, and sensory receptors in most organs of the abdomen and thoracic regions

Answer 47

Vagus nerve (X)

Question 48

This nerve is a mixed nerve that coordinates head movement by supplying the SCM and traps

Answer 48

Spinal Accessory Nerve (XI)

Question 49

This nerve is motor only and supplies muscles of the tounge for moving and swallowing food

Answer 49

Hypoglossal Nerve (XII)