nervous

Question 1

what is the middle of a nerve called

Answer 1

axon

Question 2

what is the end of a nerve called

Answer 2

terminal branches

Question 3

what is the cell body called

Answer 3

soma

Question 4

name the branches that extended from cell body

Answer 4

dendrites

Question 5

name the 2 components of the central nervous system

Answer 5

brain and spinal chord

Question 6

name the 2 component of the nervous system

Answer 6

central nervous system and peripheral nervous system

Question 7

name the 3 component of the peripheral nervous system

Answer 7

cranial nervous, spinal nerves and ganglia (collection of neuronal cell bodies)

Question 8

name the 2 functional divisions of the central nervous system

Answer 8

somatic and autonomic

Question 9

what are the differences between somatic and autonomic nervous system

Answer 9

somatic=voluntary
autonomic = involuntary

Question 10

what is the autonomic nervous system further subdivided into

Answer 10

sympathetic and parasympathetic

Question 11

what does CSF stand for

Answer 11

Cerebral spinal fluid

Question 12

what is the protective layer of the brain called

Answer 12

the meninges

Question 13

how may lateral ventricles are found in the brain

Answer 13

2 lateral ventricles

Question 14

which ventricle is the smallest 3rd or 4th

Answer 14

4th ventricle is the smallest

Question 15

what is choroid plexus and where are they found

Answer 15

found in ventricles and produce CSF

Question 16

where does CSF seep out of

Answer 16

arachnoid granulations

Question 17

name 4 functions of CSF

Answer 17

1. protective medium for brain ‘flotation’
2. protective cushioning - trauma
3. removal of metabolites
   4.provides stable ionic environment

Question 18

name the 4 lobes of the brain

Answer 18

frontal, parietal, temporal and occipital

Question 19

what are the names of the folds in the brain

Answer 19

gyrus

Question 20

what are the depressions and creases in the brain called

Answer 20

sulcus

Question 21

what is the term for a deep sulcus

Answer 21

fissures

Question 22

name the 2 major gyrus

Answer 22

pre central gyrus
post central gyrus

Question 23

name the 2 major sulcus

Answer 23

central sulcus
lateral sulcus

Question 24

what is the grey matter found in brain

Answer 24

cell bodies of neutrons and support cells

Question 25

what is the white matter found in the brain

Answer 25

axons and fibre tracts

Question 26

name 4 structural components of grey matter

Answer 26

1. neurons 2. glial cells 3. blood vessels 4. no major ( long ) fibre tracts

Question 27

name a component of white matter and its function

Answer 27

1. fiber tracts 2.connects different areas of the brain - information super highway

Question 28

name 3 functions of frontal lobe

Answer 28

planning, emotion, mood, behaviour, motor function, smell

Question 29

parietal lobe functions

Answer 29

touch, pain, temporature and sensation

Question 30

temporal lobe 3 functions

Answer 30

hearing, language, memory

Question 31

name a function of occipital lobe

Answer 31

vision

Question 32

name 2 functions of cerebellum

Answer 32

balance and coordination

Question 33

where is the insula and what is it

Answer 33

insula is a Gyro that is hidden behind temporal lobe

Question 34

what is the function of insula

Answer 34

concious awareness, gustation, cognitive emotional processing, audio-visual integration, interception, homeostatic error detection

Question 35

what is the role of the motor complex

Answer 35

motor control of skeletal muscle

Question 36

name 2 inputs for the sensory cortex

Answer 36

skin and proprioceptors

Question 37

name the role of visual cortex

Answer 37

visual recognition

Question 38

name 2 roles of auditory complex

Answer 38

auditory memory and sound recognition

Question 39

name 2 roles of brooks area

Answer 39

motor control of speech and speech planning (stutter)

Question 40

name 3 roles of the wernickes area

Answer 40

language, reading/listening and word recognition

Question 41

explain the language loop model

Answer 41

1.visual cortex, 2.wernickes area and then 3. brooks area this in loops back to start and repeats

Question 42

define term somatotpy

Answer 42

body maps onto brain surface (the body is controlled by different areas of the brain and this can be mapped out onto the surface of brain)

Question 43

name 4 major functions of the brainstem

Answer 43

control of sleep and consciousness, modulation of pain, regulation of cv and respiratory system, somatic motor control

Question 44

name 3 parts of the brain stem

Answer 44

medulla, pons, midbrain

Question 45

what is the reticulum formation

Answer 45

a formation of nuclei that control breathing

Question 46

what are 4 functions of the cerebellum

Answer 46

control balance influence posture and muscle tone coordination of movement motor-learning

Question 47

what is the purpose of myelination

Answer 47

this allows action potential to jump speeding up process

Question 48

how do synapses work

Answer 48

action potential travels to preglanionic synapse, ACh is release, travels across synapse and then action potential is carried on through non-myelinated axon to effector muscle

Question 49

what does ACh stand for

Answer 49

Acetylcholine

Question 50

what are the ways to remember how parasympathetic and sympathetic are different

Answer 50

parasympathetic- rest&digest sympathetic- fight and flight

Question 51

what is a tissue that is only sympathetic

Answer 51

hair follicle

Question 52

name a tissue that is mainly sympathetic

Answer 52

blood vessels