Lecture 2

Question 1

What does the CNS consist of?

Answer 1

Spinal cord and Brain

Question 2

What does the PNS consist of?

Answer 2

12 cranial nerves and 31 spinal nerves

Question 3

What does the somatic nervous system respond to?

Answer 3

External environment

Question 4

What does the somatic nervous system supply?

Answer 4

Everything other than the organs

Question 5

Where are sensory nerves from?

Answer 5

Skin, bones and joint

Question 6

Where are motor nerves from?

Answer 6

Skeletal muscle

Question 7

What does the autonomic nervous system respond to?

Answer 7

Internal environment

Question 8

What are the three initial swellings of the brain?

Answer 8

Prosencephalon, mesencephalon and rhombencephalon

Question 9

What are the five swelling later on in development of the brain?

Answer 9

Telencephalon, Diencephalon, mesencephalon, metencephalon and mylencephalon

Question 10

What swellings are associated with the procencephalon?

Answer 10

Telencephalon and Diencephalon

Question 11

What swellings are associated with the Rhombencephalon?

Answer 11

Metencephalon and Mylencephalon

Question 12

What are the derivatives of the Telencephalon?

Answer 12

Cerebral hemispheres

Question 13

What are the derivatives of the Diencephalon?

Answer 13

Thalamus and hypothalamus

Question 14

What are the derivatives of the Mesencephalon?

Answer 14

Midbrain

Question 15

What are the derivatives of the Metencephalon?

Answer 15

Pons and cerebellum

Question 16

What are the derivatives of the Myelencephalon?

Answer 16

Medulla Oblongata

Question 17

What cavities are associated with Telencephalon?

Answer 17

Lateral ventricles

Question 18

What cavities are associated with Diencephalon?

Answer 18

Third ventricle

Question 19

What cavities are associated with Mesencephalon?

Answer 19

Cerebral aqueduct

Question 20

What cavities are associated with Metencephalon?

Answer 20

Fourth ventricle

Question 21

What cavities are associated with Myelencphalon?

Answer 21

Fourth ventricle

Question 22

What makes up the brainstem?

Answer 22

Midbrain, pons and medulla oblongata

Question 23

What are the three grey matter structures located in the deep cerebral hemispheres?

Answer 23

Caduate nucleus, thalamus and putamen

Question 24

What is the white matter tract between the spinal cord and cerebral hemispheres?

Answer 24

Internal capsule

Question 25

What are the lobes of the brain?

Answer 25

Frontal, parietal, occipital and temporal

Question 26

What is the lobe sitting under the temporal lobe?

Answer 26

Insula lobe

Question 27

What separates the frontal lobe and parietal lobe?

Answer 27

Central sulcus

Question 28

What separates the two hemispheres?

Answer 28

Longitudinal cerebral fissure

Question 29

What separates the parietal lobe and temporal lobe?

Answer 29

Lateral sulcus

Question 30

What makes up the lentiform nucleus?

Answer 30

Putamen and globus pallidus

Question 31

Internal capsule separates?

Answer 31

Lentiform nucleus and thalamus

Question 32

What are numerous short bundles of fibres that connect adjacent gyri?

Answer 32

Arcuate fibres

Question 33

What fibres connect the frontal lobe with parts of the parietal, temporal and occipital lobes?

Answer 33

Superior longitudinal fasciculus

Question 34

What connects the temporal lobe, cingulate gyrus and septal area?

Answer 34

Cingulum fibres

Question 35

What is the largest white matter structure in the brain?

Answer 35

Corpus callosum

Question 36

What is the main connection between the hemispheres?

Answer 36

Corpus callosum

Question 37

What are the bundle of axons found posterior to the rostrum of the corpus callosum?

Answer 37

Anterior commissure fibres

Question 38

What provides additional communication between the left and right temporal lobes?

Answer 38

Anterior commissure fibres

Question 39

What are the different parts of the internal capsule?

Answer 39

Anterior limb, genu, posterior limb and retrolentiform part

Question 40

What is the corona radiata?

Answer 40

The internal capsule fibres fan out to all parts of the cortex

Question 41

Where does a somatic sensory neuron live?

Answer 41

Dorsal root ganglion

Question 42

Where does a somatic motor neurone live?

Answer 42

Dorsal horn of the spinal cord

Question 43

Function of the cerebellum?

Answer 43

Coordinate movement

Question 44

Function of the thalamus?

Answer 44

Acts as a relay station for sensory information coming from periphery and going to cortex

Question 45

Function of the brainstem?

Answer 45

Houses most of the cells associated with the cranial nerves