Brain and Vasculature - Hutch

Question 1

Be able to label the brain that is in OneNote.

Answer 1

Do it, jack. You need to score well on this next test.

Question 2

The right common carotid comes off what?

Answer 2

Brachiocephalic a.

Question 3

The left common carotid comes off what?

Answer 3

Aortic arch

Question 4

The common carotid branches into what?

Answer 4

Int and ext carotids

Question 5

The vertebral arteries come off where?

Answer 5

The subclavians

Question 6

The thyrocervical trunk comes off what?

Answer 6

Subclavians

Question 7

What comes off the thyrocervical trunks?

Answer 7

Suprascapular a.
Transverse cervical a.
Ascending cervical a.
Inferior thyroid a.

Question 8

The internal carotid artery branches into what?

Answer 8

Opthalamic a.
Choroidal a.
Ant cerebral
Mid cerebral

Question 9

What does the middle cerebral a. serve?

Answer 9

Middle portion of brain

Question 10

What does the the ant cerebral a. serve?

Answer 10

Sup part of brain on the frontal and parietal lobes

Question 11

What does the post cerebral a. serve?

Answer 11

Inf. part of brain along the occipital and temporal lobes

Question 12

What supplies the cerebellum?

Answer 12

Sup cerebellar a.
Ant inf cerebellar a. (AICA)
Post inf cerebellar a. (PICA)

Question 13

The vertebral artery branches into what?

Answer 13

PICA
Basilar
    AICA
    SCA
    Post cerebral

Question 14

What forms the basilar a.?

Answer 14

Convergence of vertebral arteries

Question 15

What forms the cerebral arterial circle of Willis?

Answer 15

Ant communicating a.
Ant cerebral a.
ICA
Post communicating a.
Post cerebral a.

Question 16

The telencephalon gives rise to what cranial nerve?

Answer 16

CN I

Question 17

The diencephalon gives rise to what cranial nerve?

Answer 17

CN II

Question 18

The midbrain gives rise to which cranial nerves?

Answer 18

CN III and IV

Question 19

The pons gives rise to which cranial nerves?

Answer 19

CN V, VI, VII, VIII

Question 20

The medulla gives rise to which cranial nerves?

Answer 20

CN IX, X, XI, XII

Question 21

What is the arterial supply to the midbrain (mesencephalon)?

Answer 21

Basilar a.

Post cerebral a.

Question 22

What is the arterial supply to the Pons (metencephalon)?

Answer 22

Basilar a.
AICA
Pontine aa.

Question 23

What is the arterial supply to the medulla oblongata?

Answer 23

Ant spinal a.
Vertebral a.
PICA

Question 24

What is the arterial supply to the cerebrum?

Answer 24

ACA
MCA sup
MCA inf
MCA deep
PCA
PCA deep
Ant choroidal a.

Question 25

What functions will be impaired if the MCA is blocked?

Answer 25

Motor to head, neck, upper limbs

Question 26

What functions will be impaired if the ACA is blocked?

Answer 26

Motor to lower limbs

Question 27

What functions will be impaired if the PCA is blocked?

Answer 27

Vision

Question 28

The dura mater in the cranium has 3 major parts. Name and describe them.

Answer 28

Falx cerebri- dives down the longitudinal fissure Falx cerebelli - divides the cerebellum Tentorium cerebelli - wraps around laterally

Question 29

What does the middle meningeal a. serve?

Answer 29

Dura and calvaria

Question 30

Name and describe the cranial meningeal draining sinuses.

Answer 30

Superior sagittal sinus - Along the sup part of longitudinal fissure Inferior sagittal sinus - along inf part of longitudinal fissure Transverse sinus - lateral and posterior (around the tentorium cerebri area) Sigmoid sinus - S-shape that drains into IJV

Question 31

What is the point where all three sinuses (minus the sigmoid sinus) come together?

Answer 31

Confluence of sinuses

Question 32

Where is the cavernous sinus?

Answer 32

Net-like structure up by sella turcica

Question 33

What runs thru the cavernous sinus?

Answer 33

ICA, CN III, IV, V, VI

Question 34

Where can blood pool in the skull?

Answer 34

Cavernous sinus | Pterygoid plexus

Question 35

What is a risk of popping a zit on the nose?

Answer 35

Bacteria can get into the systemic circulation via the angular a., or can enter the cavernous sinus via the angular vein

Question 36

What drains blood from the scalp and bones of the calvaria?

Answer 36

Parietal and occipital emissary veins

Question 37

What absorbs the CSF?

Answer 37

Arachnoid granulations (villi)

Question 38

A torn middle meningeal a. leads to what type of hematoma?

Answer 38

Epidural. Very dangerous. Blood pushing onto the brain.

Question 39

A torn bridging cerebral vein leads to what?

Answer 39

Subdural hematoma. B/t dura and subarachnoid mater. Dangerous, but not as bad as an epidural hematoma.

Question 40

What happens when the aa. serving the brain rupture?

Answer 40

Subarachnoid aneurysm or subarachnoid hemorrhage

Question 41

Two types of stroke. Name and describe them.

Answer 41

Hemorrhagic - hemorrhage onto brain tissue. Ischemic - Clot stops blood supply to an area of the brain

Question 42

What is CSF produced by?

Answer 42

Choroid plexus