Week 5 - Meninges, CSF, Arterio-Venous Brain Circulation

Question 1

The _____ and three ______ surround and protect the brain

Answer 1

cranium

cranial meninges

Question 2

From the most exterior to most interior, list the cranial meninges

Answer 2

Dura mater
arachnoid mater
pia mater

Question 3

The outer layer of the dura mater is known as the cranial ______

Answer 3

periosteum

Question 4

Cisterns are _____ in the dura mater near acupoints ______

Answer 4

gaps

UB 10, GB 20

Question 5

Dural sinuses are ______

Answer 5

large venous channels in between two dural layers

Question 6

Veins of the brain return blood into the ______

Answer 6

dural sinuses

Question 7

Injury of the meningeal arteries could cause acute ______

Answer 7

epidural hemorrhage

Question 8

What are the extensions of the dura mater that separate parts of the brain?

Answer 8

falx cerebri - separates cerebral hemispheres
falx cerebelli - separates cerebellar hemispheres
tentorium cerebelli - separates cerebrum from cerebellum

Question 9

The acrachnoid villus/granulation does what?

Answer 9

absorbs CSF and empties it into the dural sinuses

Question 10

Veins of the brain are located in ______

Answer 10

subdural space

Question 11

Arteries of the brain are located in ______

Answer 11

pia mater

Question 12

The pia mater contains which type of glial cell?

Answer 12

astrocytes

Question 13

CSF is produced by ______ through ependymal cell layer of the _________

Answer 13

plasma filtration

ventricular choroid plexus

Question 14

Choroid plexus is situated within ________

Answer 14

both lateral and 3rd ventricles

Question 15

The lateral CSF ventricles are separated by ______

Answer 15

septum pellucidum

Question 16

The third ventricle is located ________ and receives CSF from the lateral ventricles via _______

Answer 16

between two thalami

interventricular foramena

Question 17

In the Circle of Willis, two ____ arteries climb via inter-vertebral foramena toward the brain, uniting on the frontal surface of the _____ and forming the ______ artery

Answer 17

vertebral
pons
basilar artery

Question 18

In the Circle of Willis, the basilar artery gives rise to two _____ arteries, supplying the ______ lobe and partially, the ______

Answer 18

posterior cerebral
occipital
cerebellum

Question 19

In the Circle of Willis, the two internal ______ arteries enter the brain surface on each side, and they each give off ________ artery and ________ artery

Answer 19

carotid
middle cerebral
anterior cerebral

Question 20

The ________ connects the two anterior cerebral arteries

Answer 20

anterior communicating artery

Question 21

The _____ connects the basilar artery with internal carotid artery

Answer 21

posterior communicating artery

Question 22

The bridging veins of the brain are situated and might bleed within the _______ space

Answer 22

Subdural

Question 23

The Leningrad arteries, which are the most superficially located arterial blood vessels might bleed into the ____ space

Answer 23

Epidural

Question 24

Which CN’s and arteries pass through the cavernous sinus?

Answer 24

CN III, IV, V (V1, V2), VI

internal carotid arteries

Question 25

The sequence of venous flow from the superior & inferior saggital sinus is __________

Answer 25

-> straight sinus -> confluence of sinuses -> R/L transverse sinus -> sigmoid sinus -> jugular veins -> R atrium of HT

Question 26

This artery is made by merging of two vertebral arteries, and is situated as climbing over the pons _______

Answer 26

Basilar artery

Question 27

Both of these arteries originate from sub-clavian arteries of the brachio-cephalic trunk

Answer 27

Vertebral and common carotid arteries

Question 28

This pair of arteries provides an arterial circulation to the occipital lobe of the brain cortex and the cerebellum

Answer 28

Posterior cerebral arteries

Question 29

This pair of arteries climbs to the side of the Circle of Willis via Cavernous sinuses on each side

Answer 29

Internal carotid arteries

Question 30

This pair of arteries supplies the lateral side of the cerebrum, and responsible for the arterial blood delivery to the brain parts, responsible for the upper trunk and upper extremities

Answer 30

Middle cerebral arteries

Question 31

This pair of arteries supplies the oxygenated blood to the top of the brain, which is responsible for the lower trunk and lower extremities

Answer 31

Anterior cerebral arteries

Question 32

The major venous sinus of the brain is the __________

Answer 32

superior sagittal sinus

Question 33

The cavernous sinus houses the ________ and _______ nerve group w/in the dural cave of the _____

Answer 33

internal carotid artery
oculomotor
sinus