ch 10 The brain and cranial nerves

Question 1

brain development

Answer 1

brain develops from the neural tube and expands as we develop into 4 major parts

Question 2

4 Major part of brain development

Answer 2

Brainstem
cerebellum
diencephalon
cerebrum

Question 3

Protection of the brain

Answer 3

Cranial bones
Cranial meninges
Cerebrospinal Fluid
Blood brain barrier

Question 4

Cerebral spinal Fluid

Answer 4

circulates the subarachnoid space

Question 5

CSF function

Answer 5

protects physical injury -shock
protect chemical injury
circulation of nutrients and for waste removal

Question 6

Brainstem structure

Answer 6

medulla oblongata
pons
midbrain

connects spinal cord with the brain

Question 7

Medulla oblongata

Answer 7

vital center
controls heart rate , BP , and respiration

Question 8

Pons

Answer 8

bridge connects right and left sides of cerebellum

contains respiratory center to initiate breathing as well

Question 9

Midbrain

Answer 9

connects pons to diencephalon
plays role: eye movement, auditory process, visual processing

Question 10

Cerebellum “little brain”

Answer 10

coordination of muscle activity

Question 11

Diencephalon

Answer 11

thalamus - sensory tracts
hypothalamus-controls body function

Question 12

Cerebrum

Answer 12

largest division divided into right and left hemisphere

Corpus callosum-band of white matter connects 2 hemispheres
Cerebral cortex- putter layer composed of gray matter

Question 13

4 cerebral loves

Answer 13

Frontal
Parietal
temporal
occipital

Question 14

Frontal Lobe

Answer 14

Motor function
speech , decision, comaring and categorizing, long term memory, personality and behavior

Question 15

parietal lobe

Answer 15

sensation, skin,pain, temp, touch

Question 16

Temporal lobe

Answer 16

hearing ,smell, language

Question 17

Occipital lobe (back)

Answer 17

sight, depth in perception

Question 18

12 cranial nerves

Answer 18

olfactory , Optic , oculomotor, trochlear

trigemenial, abducens, facial, vistibulocochlear

glossopharyngel, vagus

Question 19

Olfactory nerve

Answer 19

entirely sensory
connects to olfactory bulbs form the nose to temporal lobe

Question 20

Optic nerve II

Answer 20

entirely sensory
both eye optic nerves form optic chiasm

Question 21

OculomotorIII, Trochlear IV , AbducensVI

Answer 21

all motor only
controls muscle that moves eyeballs

Question 22

Trigeminal V

Answer 22

both motor and sensation

opthalmic, maxillary, mandibular

Question 23

Facial VII

Answer 23

motor and sensation

controls muscle of the face for facial expression and for mastication

Question 24

Vestibulocochlear VIII

Answer 24

sensory
vestibular-equilibrium
cochlear-hearing

Question 25

Glosspharyngeal IX

Answer 25

Sensory , taste buds on tongue &monitors BP and CO levels motor _muscle assists on swallowing

Question 26

Vagus X

Answer 26

Motor- muscles of swallowing, vocalizing and coughing sensory- around ear, some taste buds, reception for sensory receptors in most organs of abdomen and thoracic

Question 27

Spinal Accesory XI

Answer 27

motor and sensory coordination of head movement supplying SCM and trap

Question 28

Hypoglossal XII

Answer 28

motor only muscles of the tongue for moving and swallowing food

Question 29

Cerebrovascular accident CVA

Answer 29

stroke . death of brain cells , lack of O2 cause by blood clots

Question 30

Transient Ischemic attack TIA

Answer 30

temporary cerebral dysfunction by impaired BLOOD flow

Question 31

Alzheimer’s disease

Answer 31

dementia , neurodegenorative disease

Question 32

brain tumor

Answer 32

abnormal growth of tissue benign or malignant