Overview of the Nervous System

Question 1

Where does the interventricular foramen connect?

Answer 1

Lateral ventricle to 3rd ventricle

Question 2

The pia mater is adherent to what?

Answer 2

The brain itself

Question 3

This image shows the brain laterally. Which artery is responsible for providing blood supply to the area in:

A) Blue?

B) Red?

C) Green?

Answer 3

A) Anterior cerebral artery

B) Middle cerebral artery

C) Posterior cerebral artery

Question 4

Neurone cell bodies (soma) are found in which type of brain matter?

Answer 4

Grey

Question 5

Venous blood from the brain drains directly into where?

Answer 5

Dural venous sinuses

Question 6

What is the difference between oligodendrocytes and Schwann cells?

Answer 6

Oligodendrocytes myelinate the CNS while Schwann cells myelinate the PNS

Question 7

Which cells of the nervous system are the ‘support cells’?

Answer 7

Glial cells

Question 8

Which cells of the nervous system are the ‘communicators’?

Answer 8

Neurones

Question 9

Which is more numerous in the CNS- neurones or glial cells?

Answer 9

Glial cells

Question 10

What is a gyri?

Answer 10

Outer projection

Question 11

Which brain lobe is this describing: ‘posterior to the parieto-occipital sulcus’

Answer 11

Occipital lobe

Question 12

Which brain lobe is this describing: ‘posterior to a line from the parieto-occipital sulcus to the preocciptialnotch’

Answer 12

Occipital lobe

Question 13

Where on the brain is grey matter (generally) found?

Answer 13

Outer aspect

Question 14

Which type of glial cell is being described: “Ciliated columnar/cuboidal epithelium that lines the ventricles”

Answer 14

Ependymal cells

Question 15

The precentral gyrus contains which primary cortex?

Answer 15

Motor

Question 16

This image shows the brain medially. Which artery is responsible for providing blood supply to the area in:

A) Blue?

B) Red?

C) Green?

Answer 16

A) Anterior cerebral artery

B) Middle cerebral artery

C) Posterior cerebral artery

Question 17

Where on the brain is white matter (generally) found?

Answer 17

Inner aspect

Question 18

The postcentral gyrus contains which primary cortex?

Answer 18

Sensory

Question 19

Which brain lobe is this describing: ‘posterior to the frontal lobe and anterior to the parieto-occipital sulcus’

Answer 19

Parietal lobe

Question 20

Where in the spinal cord is white matter (generally) found?

Answer 20

Outer aspect

Question 21

What is the role of myelin?

Answer 21

Increase conduction velocity

Question 22

Axons and support cells are found in which type of brain matter?

Answer 22

White

Question 23

What are the 3 layers of meninges from superficial to deep?

Answer 23

Dura mater, arachnoid mater, pia mater

Question 24

The posterior cerebral arteries go on to form what brain structure?

Answer 24

Circle of Willis

Question 25

The dorsal (posterior) horn of the spinal cord contains which type of nerve fibres?

Answer 25

Sensory

Question 26

Where does CSF travel to once it has left the 4th ventricle?

Answer 26

Subarachnoid space

Question 27

Which brain lobe is this describing: 'lobe anterior to a line drawn from the central sulcus down to the corpus callosum'

Answer 27

Frontal lobe

Question 28

What is the 'soma'?

Answer 28

The cell body of a neurone

Question 29

What is found in the subarachnoid space?

Answer 29

CSF

Question 30

Dural venous sinuses drain into where?

Answer 30

Internal jugular vein

Question 31

Which type of glial cell is being described: "Immune cells with a similar role to macrophages- have a role in immune monitoring and antigen presentation"

Answer 31

Microglia

Question 32

Where are the neurones found in the enteric nervous system?

Answer 32

In two nerve plexuses in the walls of the gut Myenteric plexus - between outer layers of smooth muscle Submucosal plexus - in the submucosa

Question 33

What is the insula? What is its role?

Answer 33

The 5th brain lobe, which has a role in experiencing pain

Question 34

Where does the cerebral aquaduct connect?

Answer 34

3rd and 4th ventricle

Question 35

Which arterial system supplies blood to the posterior aspect of the brain?

Answer 35

Vertebro-basilar system

Question 36

What is the role of a dendrite?

Answer 36

Receive impulses from other neurones and carry them towards the soma

Question 37

Which type of glial cell is being described: "Produce myelin within the CNS"

Answer 37

Oligodendrocytes

Question 38

What is the function of the internal capsule?

Answer 38

Important for communication between the spinal cord and the cortex

Question 39

Which arteries are included in the internal carotid system?

Answer 39

Internal carotid arteries - Middle cerebral arteries - Anterior cerebral arteries

Question 40

Which type of matter is the corpus callosum formed of? What is its role?

Answer 40

White matter Allows right and left sides of the brain to communicate

Question 41

Which brain lobe is this describing: 'posterior to the central sulcus, superior to the lateral sulcus (and a backward extension of it), and anterior to a line from the parieto-occipital sulcus to the preocciptialnotch'

Answer 41

Parietal lobe

Question 42

Describe a multipolar neurone?

Answer 42

Many dendrites and one axon

Question 43

Which arterial system supplies blood to the anterior aspect of the brain?

Answer 43

Internal carotid system

Question 44

The ventral (anterior) horn of the spinal cord contains which type of nerve fibres?

Answer 44

Motor

Question 45

Where is the enteric nervous system found?

Answer 45

In the GI system from the oesophagus to the rectum

Question 46

The anterior/posterior columns of the spinal cord are composed of which type of brain matter?

Answer 46

White

Question 47

Which brain lobe is this describing: 'inferior to the lateral sulcus (and a line extending the lateral sulcus posteriorly) and posteriorly by a line from the parieto-occipital sulcus and the preoccipitalnotch'

Answer 47

Temporal lobe

Question 48

What is the role of an axon?

Answer 48

Carries impulses away from the soma to other neurones

Question 49

Which type of glial cell is being described: "These cells have many processes, and have roles in support, maintaining the BBB and environmental homeostasis"

Answer 49

Astrocytes

Question 50

Which arteries are included in the vertebro-basilar system?

Answer 50

Vertebral arteries - Basilar artery - Posterior cerebral arteries

Question 51

Where in the spinal cord is grey matter (generally) found?

Answer 51

Inner aspect

Question 52

The arachnoid mater is adherent to which other meningeal layer?

Answer 52

Dura mater

Question 53

The postcentral gyrus (and somatosensory cortex) is found in which brain lobe?

Answer 53

Parietal lobe

Question 54

The anterior/posterior horns of the spinal cord are composed of which type of brain matter?

Answer 54

Grey

Question 55

What is a sulci?

Answer 55

Inward projection

Question 56

Which brain lobe is this describing: 'large lobe anterior to the central sulcus and superior to the lateral sulcus'

Answer 56

Frontal lobe

Question 57

The precentral gyrus (and somatomotor cortex) is found within which brain lobe?

Answer 57

Frontal