Structure and Functions of CNS1

Question 1

Where is the grey matter in the brain?

Answer 1

On the outside

Question 2

What is cerebral cortex?

Answer 2

Outer layer of brain

Grey matter

Question 3

Gyrus

Answer 3

Ridge

Question 4

Sulci

Answer 4

Groove in cerebral cortex

Question 5

Fissure

Answer 5

Larger sulci

Question 6

What does central sulcus divide?

Answer 6

Motor (front) and sensory area (behind)

Question 7

What does parietal fissure separate?

Answer 7

Frontal from temporal love

Question 8

What does great longitudinal fissure separate?

Answer 8

2 cerebral hemispheres

Question 9

What is the corpus callosum

Answer 9

Nerve fibres joining the two hemispheres

Question 10

What does the lateral fissure separate?

Answer 10

Temporal lobe from frontal and parietal

Question 11

Cingulate gyrus

Answer 11

the curved fold covering the corpus callosum

Question 12

Calcarine sulcus

Answer 12

Separates occipital lobe into inferior and superior parts

Question 13

What forms grey matter?

Answer 13

Nerve cell bodies

Question 14

What forms white matter?

Answer 14

Axons

Question 15

What is frontal lobe syndrome?

Answer 15

Difficulty initiating behaviour

Inability to stop a behavioural pattern

Difficulties in planning and problem solving

Incapable of creative thinking

Question 16

Apraxia

Answer 16

Difficulty planning and performing motor activities

Question 17

Agnosia

Answer 17

Inability to recognise objects, faces, smells or sound

Question 18

Aphasia

Answer 18

Difficulty with production and comprehension of language or speech, read, write

Question 19

Amnesia

Answer 19

Memory loss- forming new memory’s recognise families places, faces

Question 20

Broca’s Aphasia

Answer 20

Motor or non-fluent aphasia
Patient know what want to say but cannot express it

Comprehension mildly affected

In frontal lobe

Question 21

Wernicke’s Aphasisa

Answer 21

Speech fluent
Loss of language comprehension
Cant produce meaningful speech
Damage to left posterior superior temporal gyrus

Question 22

Left Frontal lobe function

Answer 22

Speech

Question 23

Left side Temporal lobe function

Answer 23

Verbal memory (words)
Understanding spoken language
Hearing

Question 24

Left side Parietal lobe function

Answer 24

Writing and Calculation
Body orientation
Touch perception

Question 25

Right side Parietal lobe

Answer 25

Spatial imaging
Dressing Drawing
Finding ones way around

Question 26

Right temporal lobe

Answer 26

Visual memory

Question 27

Falx cerebri

Answer 27

Separate 2 hemispheres from left to righ

Question 28

Tentorium cerebelli

Answer 28

Separate cerebrum from cerebellum

Question 29

Falx cerebelli

Answer 29

Separate 2 hemispheres of cerebellum

Question 30

What does diencephalon constitute of?

Answer 30

Basal ganglia

Thalamus

Question 31

Basal ganglia

Answer 31

Collection of nuclear masses that lie within cerebral hemispheres

Question 32

Where are the respiratory, cardiac, vasomotor centres?

Answer 32

Brainstem

Question 33

What are the cerebellar peduncles?

Answer 33

Superior, middle, inferior

Connect cerebellum to brainstem

Question 34

Superior to inferior names of part of brainstem

Answer 34

Midbrain
Pons
Medulla