CN/PNS

Question 1

Layers of meninges

Answer 1

Dura mater
Arachnoid matter
Pia mater

Question 2

Dura mater

Answer 2

Strong fibrous tissue and serves as the outer layer of meninges

Question 3

Arachnoid matter

Answer 3

Delicate spider web like layer between

Question 4

Pia mater

Answer 4

Is delicate inner most layer of meninges
It is transparent and adhere to the brain tissue containing blood vessels

Question 5

What is meningitis

Answer 5

Inflammation of meninges
Caused by bacteria or virus

Question 6

Viral meningitis

Answer 6

Self limiting with typically complete recovery

Question 7

Bacterial meningitis

Answer 7

More serious effects

Question 8

Spaces that lie between and around meninges

Answer 8

Epidural space
Subdural space
Sub arachnoid space

Question 9

Epidural space

Answer 9

On the dura
Is immediately outside of the dura matter in the spinal cord Produce
It is a potential space in the cranium

Question 10

Subdural space

Answer 10

Under the dura
Is between the dura mater and arachnoid mater. It’s a potential space

Question 11

Subarachnaoid space

Answer 11

Under the arachnoid and outside the Pia mater
This space contains cerebrospinal fluid

Question 12

How is brain protected

Answer 12

Skull

Question 13

How is spinal cord protected

Answer 13

Cerebrospinal fluid
Meninges

Question 14

How is cerebrospinal fluid formed

Answer 14

By ependymal cells of the choroid plexuses

Question 15

Function of cerebrospinal fluid

Answer 15

Forms a cushion
Helps nourish the brain
Filtrate of blood plasma

Question 16

three regions of the brain

Answer 16

Forebrain
Midbrain
Hindbrain

Question 17

What is forebrain containing

Answer 17

Cerebrum
Diencephalon

Question 18

Name of folds in the brain

Answer 18

Gyri

Question 19

Term for grooves in between gyri

Answer 19

Sulci

Question 20

The cerebral is divided into a number of areas based on function what is the term

Answer 20

Brodmans areas or domains

Question 21

3 main functional areas

Answer 21

Motor
Sensory
Association

Question 22

Term for primary motor cortex

Answer 22

Precentral gyrus

Question 23

What area controls motor activity

Answer 23

Posterior part of frontal lobe

Question 24

Sensory areas of the brain

Answer 24

Parietal
Temporal

Question 25

Why is grey matter grey

Answer 25

It contains cell bodies

Question 26

Why is white matter white

Answer 26

It contains nerve fibers (axons) covered in myelin

Question 27

Grey matter components

Answer 27

Superficial cortex - 6 layers Made up of nerve cell bodies, dendrites, and unmyelinated Axons and glia And billions of neurons

Question 28

What are the different types of fibers in white matter

Answer 28

Association fibers Commissural fibers Projection fibers

Question 29

White matter basal ganglia components

Answer 29

Putamen Caudate nucleus Globus pallidus

Question 30

What is the function of the basal ganglia components

Answer 30

Help plan, organize and coordinate movements and posture

Question 31

What does the diencephalon contain

Answer 31

Thalamus Hypothalamus Epithalamus

Question 32

Function of thalamus

Answer 32

Mediates sensation Motor activities Cortical arousal Learning and memory

Question 33

Function of hypothamus

Answer 33

Autonomic control Centre Center for emotional response Regulate body temp Regulate sleep wake cycle Control endocrine system

Question 34

Function of epithalamus

Answer 34

Regulates sleep wake cycle and aspects of mood

Question 35

Components of brain stem

Answer 35

Mid brain Pons Medulla oblongata

Question 36

Function of mid brain

Answer 36

Hearing and visual reflex

Question 37

Function of pons

Answer 37

Contains relay neurons between cerebrum and cerebellum The pneumitaxic center ( resp centre)

Question 38

Function of medulla oblongata

Answer 38

Cardiovascular center and vasomotor centre Respiratory centre Reflex centre for vomiting, coughing, sneezing and swallowing

Question 39

What is reticular formation

Answer 39

Its role is to govern the arousal of the brain as a whole

Question 40

Function of cerebellum

Answer 40

Muscle coordination Maintenance of equilibrium and posture