nervous 2

Question 1

List the major subdivisions of the brain

Answer 1

brin stem, cerebelum and cerebrum

Question 2

list important anatomical landmarks in the brain

Answer 2

brain stem - midbrain, pons, medulla
hypothalamus, thalamus, paretial, temporal lob, optic cortex, frefrontal cortex, ptituatry gland, somatosensory cortext

Question 3

list the layer of brain protection in order from outside into inside

Answer 3

skull bones, dural mater, arachnoid mater, subarachnoid space, pia mater, cerebelum

Question 4

list the layers of meninges and a descriptor of each

Answer 4

dura matter - attached to the bone,
arachnoid matter - hard to remove, it apear web like.
pia matter - can only be seen with a microscope

Question 5

what is the function of the Subarachioid space and what does it compoes of

Answer 5

contains cerebrospinal fluid (ions, glucose lymphocytes and plasma
It provides nutrients for the brain.
Absorbs shock when trauma is inflicated.
Exchanges material between the neural cells and ISF

Question 6

what is the diffrence between white and grey matter

Answer 6

White matter - Dense collection of myelinated fibres.
Grey matter - mostly cell bodies, dendrites and unmyelinated fibres.

Question 7

Where can white and grey matter be found

Answer 7

White matter - sinal cord (outerior), brain (interior)
Grey matter - spinal cord (interior), brain (outerior)

Question 8

What are the cerebral ventricles

Answer 8

Spaces within the brain that are connected and continuous with the spinal cord and produce CSF at Choroid plexi.
there are left and right,

Question 9

Name the cerebral ventricles

Answer 9

left and right lateral ventricle
anterior horn
interventricular ventricle
theird ventricle
cerebral aqueduct
fourth ventricle
central canal

Question 10

Identify the four main lobes and ther functions

Answer 10

frontal - though and choice
Parietal - movement
Temporal - hearing
Occipital - sight

Question 11

what are the regions involved in movement

Answer 11

cerebellum, cerebel cortext

Question 12

what are the regions involved in information processing

Answer 12

temporal, frontal, paretial, occipital

Question 13

what are the regions involved in memory and emotion

Answer 13

hypothalamus, limbic, thalamuas, amygdala, hippocamapus

Question 14

role of the hypothalamus

Answer 14

homeostasis

Question 15

role of the thalamus

Answer 15

Relaying and processing sensory information, role in motor control

Question 16

role of cerebellum

Answer 16

Co-ordinating and modulating motor commands. (balance, posture, coordination and planning voluntary muscle activity).