Meninges, CSF

Question 1

Central sulcus

Answer 1

separates the frontal lobe and the parietal lobe

Question 2

Precentral gyrus

Answer 2

location for primary motor

Question 3

Postcentral gyrus

Answer 3

location for somatosensory

Question 4

Parietal lobe

Answer 4

responsible for sensory input such as touch pressure, heat and cold.

Question 5

temporal lobe

Answer 5

responsible for memory, auditory, emotions, language and some visual perceptions

Question 6

What are the meningeal layers from superficial to deep?

Answer 6

1. Dura mata
2. Arachnoid mata
3. Pia mata

Question 7

What are the two layers of the dura mata?

Answer 7

Periosteal layer and the meningeal layer

Question 8

When the dura mata splits what is formed in between the layers?

Answer 8

The Superior sagittal sinus

Question 9

What structure in the superior sagittal sinus uptakes or absorbs the CSF

Answer 9

arachnoid villi

Question 10

Finger like projections from the arachnoid mater that uptakes CSF and drains it back into the superior sagittal sinus?

Answer 10

Arachnoid vili

Question 11

What artery supplies the lateral part of the dura mata?

Answer 11

middle meningeal artery

Question 12

Where is the superior sagittal sinus located?

Answer 12

It runs front to back below the dura mata

Question 13

Where is the confluence of sinus located

Answer 13

Confluence of sinus is located in the back of the skull after the superior sagittal sinus

Question 14

What drains into the confluence of sinus?

Answer 14

The transverse sinus

Question 15

What can happen to the emissary vein if someone gets a hard blow to the cranium?

Answer 15

Emissary viens are located in the spongy bone called diploe and travel down to the dural sinus.

A hard blow to the head can rupture the emissary vein carrying blood away from the brain and dural sinus

Question 16

Where does CSF flow?

Answer 16

In the subarachnoid space

Question 17

What is the function of CSF

Answer 17

Protects the brain and provides nutrients

Question 18

Inferior saggital sinus drains into which sinus?

Answer 18

The inferior sagittal sinus drains into the straight sinus

Question 19

Where does the superior sagittal sinus drain?

Answer 19

It drains into the confluence of sinus

Question 20

Where is the cavernous sinus located?

Answer 20

There is one on both side of the pituitary gland

Question 21

What connects the two cavernous sinus?

Answer 21

Inter-cavernous sinus

Question 22

What drains the cavernous sinus?

Answer 22

Superior and inferior petrosal sinus

Question 23

Where does the superior petrosal sinus drain into?

Answer 23

Superior petrosal drains into the transverse sinus

Question 24

Where does the inferior petrosal sinus drain?

Answer 24

Inferior petrosal drains into the sigmoidal sinus

Question 25

What does the transverse sinus change its name to and where?

Answer 25

Transverse sinus changes its name as it travels medially and inferiorly on the tantorium cerebellumto the sigmoidal sinus as it goes through the jugular foramen.

Question 26

Sigmoidal sinus becomes what vein?

Answer 26

The sigmoidal sinus becomes the internal jugular vien.

Question 27

Where does the emissary vein drain?

Answer 27

Superior sagital sinus

Question 28

Where does the straight sinus and great vein of Galen drain?

Answer 28

confluence of sinus

Question 29

Where is the pia mata located?

Answer 29

directly on the brain and spinal cord

Question 30

Leptomeninges

Answer 30

arachnoid mata and pia mata

Question 31

Circle of Willis

Answer 31

anastomosing of the internal carotid arteries and the vertebral arteries (from subclavian)

a total of 4 arteries
ventral side of brain
in subarachnoid space

Question 32

What artery from the internal carotid is not a part of the Circle of Willis?

Answer 32

The middle cerebral artery

Question 33

What gland is found between the circle of willis?

Answer 33

The pituitary gland

Question 34

Why is the optic chiasm can be compressed?

Answer 34

It is near the circle of willis

Question 35

Where are aneurism common in the circle of willis do to 90 degree turn

Answer 35

anterior communicating or posterior communicating artery

Question 36

ischemic stroke locked in stroke

Answer 36

basilar artery obstruction

Question 37

Medial medullary syndrome

Answer 37

associated with the anterior spinal artery.

Ataxia of the limbs, difficulty swallowing, loss of facial sensation, difficulty speaking

Question 38

Occlusion in ICA

Answer 38

Lateral pontine syndrome

Question 39

PICA

Answer 39

Lateral medullary Wallenberg syndrome

rare, horner syndrome, vertigo, difficulty swallowing

Question 40

veins draining the spinal cord

Answer 40

retro flows into the azygus and hemi azygus on the posterior thoracic wall and drain in the posterior vena cava

Question 41

Which of the following arteries gives off the meningeal branches near the foramen magnum to supply the cerebelli?

Answer 41

the vertebral artery