central nervous system

Question 1

Subdivisions of the CNS

Answer 1

SC and brain

Question 2

membranes of the CNS (meninges)

Answer 2

dura
arachnoid
pia

Question 3

what surrounds the brain and function

Answer 3

cerebrospinal fluid

cushion and supplies nutrients

Question 4

regions of the brain

Answer 4

forebrain
midbrain
hindbrain

Question 5

what does the hind brain include

Answer 5

pons
medulla
cerebellum

Question 6

which cranial nerves are connected to the medulla

Answer 6

7-12

Question 7

what does the medulla contain

Answer 7

cardiovascular and respiratory centres
ascending and descending tracts
spinal nucleus of the trigeminal nerve

Question 8

functions of the medulla

Answer 8

autonomic functions

relays info between brain and SC

Question 9

what is the purpose of the spinal nucleus of the trigeminal nerve

Answer 9

processes sensory info from mouth and face

info related to pain and temp away from oro facial region

Question 10

what can happen if fluid accumulates in the cranial cavity

Answer 10

increased inter cranial pressure
medulla displaced downwards into SC of CV
CV and RC compromised

Question 11

What does the pons contain

Answer 11

amending and descending tracts
nuclei of 5 and 6 (trigeminal and adbucens)
nuclei that connect motor pathways to cerebellum

Question 12

role of the pons

Answer 12

controlling autonomic functions

relays sensory between cerebrum and cerebellum

Question 13

function of cerebellum

Answer 13

coordinate movement

Question 14

3 divisions of the cerebellum

Answer 14

spinocerebellum
vestibulocerebellum
cerebrocellubellum

Question 15

function of spinocerebellum

Answer 15

finetune movement

Question 16

function of vestibulocerebellum

Answer 16

balance

Question 17

function of cerebrocerebellum

Answer 17

balance/coordination

Question 18

where is the midbrain found

Answer 18

between pons and thalamus

Question 19

how is the midbrain connected

Answer 19

peduncles

Question 20

which CN arise from the midbrian

Answer 20

3 and 4 (oculomotor and trochlear)

Question 21

function of the midbrain

Answer 21

control body movement through 2 nuclei and connections to cerebellum
involved in sight and hearing

Question 22

what are found on the posterior surface of the midbrain

Answer 22

superior and inferior colliculi

Question 23

what is the superior collicuili fucntion

Answer 23

recieves vision input

Question 24

inferior colliculi function

Answer 24

input from auditory cortex

Question 25

what is at the anterior part of midbrain and what happens

Answer 25

red nuclei

info from cerebellum joins motor pathways

Question 26

what do the colliculi work together to allow

Answer 26

localise source of sounds

Question 27

what are the pairs of nuclei in the anterior part of the midbrain

Answer 27

red nuclei

substantia nigra

Question 28

what does the substantial nigra contain

Answer 28

dopamine as a neurotransmittor

Question 29

what does dopamine do

Answer 29

inhibits unwanted movement and amplifies wanted movement

Question 30

what causes parkinsons and what does it lead to

Answer 30

lack of dopamine
tremor at rest
poverty of movement

Question 31

divisions of the forebrain

Answer 31

telencephalon

diencephalon

Question 32

what makes up the telecephalon

Answer 32

cerebrum

cerebral cortex

Question 33

what makes up the diencephalon

Answer 33

structures deep in cerebrum

Question 34

4 lobes of the cerebrum cortex

Answer 34

frontal
occipital
parietal
temporal

Question 35

what are the lobes divide by

Answer 35

sulci

Question 36

what do all cortical regions hvw

Answer 36

6 layer structure

Question 37

how is the cortex arranged

Answer 37

gyrus is folded to increase the SA

Question 38

classifications of the areas

Answer 38

motor
sensory
association

Question 39

what are the sensory and motor areas

Answer 39

somatotopic

upside-down and contralateral

Question 40

fuction of the forebrain

Answer 40

control perception memory language and cognitive functions