Basic Topography of Brain and Cranial Nerves

Question 1

What are the layers of Dura Matter? Superficial first

Answer 1

Periosteal layer

Meningeal layer

Question 2

Where is the CSF contained

Answer 2

Subarachnoid space

Question 3

What is the pre central gyrus for

Answer 3

Primary motor complex

Question 4

What is the post central gyrus for

Answer 4

Primary sensory complex

Question 5

What separates the parietal and frontal lobes

Answer 5

Central sulcus

Question 6

What separates the occipital and cerebellum

Answer 6

Lateral sulcus - Sylvia fissure - tentorium cerebelli

Question 7

What is the difference between sulcus and gyrus

Answer 7

Gyrus folds outwards

Sulcus folds inwards

Question 8

What is the difference between sulcus and fissure

Answer 8

Fissure is deeper than sulcus

Question 9

What separates the right and left cerebrum

Answer 9

Longitudinal cerebral fissure

Question 10

What seaprates the right and left cerebellum

Answer 10

Flax cerebelli

Question 11

Name the cranial nerves in order

Answer 11

Olfactory - Sensory - Cribiform plate of ethmoid bone
Optic - Sensory - Optic canal
Occulomotor - Motor- Superior orbital fissure
Trochlear - Motor - Superior orbital fissure
Trigeminal - Opthalmic, Maxillary, Mandibular - Sensory (Mandibular is motor) - Superior orbital fissure (Foramen Rotundum for Maxillary)(Foramen Ovale for Mandibular)
Abducent - Motor - Superior orbital fissure
Facial - Both - Stylomastoid foramen, Internal Acoustic Meatus
Vestibulocochlear - Sensory - Int. Acoustic Meatus
Glossopharyngeal - Both - Jugular Foramen
Vagus - Both -Jugular Foramen
Spinal Accessory - Motor - Jugular Foramen
Hypoglossal - Motor - Hypoglossal Canal