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HFF - Exam 3 > Brain and Vasculature - Hutch > Flashcards

Brain and Vasculature - Hutch Flashcards

1
Q

Be able to label the brain that is in OneNote.

A

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

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2
Q

The right common carotid comes off what?

A

Brachiocephalic a.

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3
Q

The left common carotid comes off what?

A

Aortic arch

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4
Q

The common carotid branches into what?

A

Int and ext carotids

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5
Q

The vertebral arteries come off where?

A

The subclavians

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6
Q

The thyrocervical trunk comes off what?

A

Subclavians

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7
Q

What comes off the thyrocervical trunks?

A

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

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8
Q

The internal carotid artery branches into what?

A

Opthalamic a.
Choroidal a.
Ant cerebral
Mid cerebral

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9
Q

What does the middle cerebral a. serve?

A

Middle portion of brain

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10
Q

What does the the ant cerebral a. serve?

A

Sup part of brain on the frontal and parietal lobes

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11
Q

What does the post cerebral a. serve?

A

Inf. part of brain along the occipital and temporal lobes

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12
Q

What supplies the cerebellum?

A

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

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13
Q

The vertebral artery branches into what?

A 
PICA
Basilar
    AICA
    SCA
    Post cerebral
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14
Q

What forms the basilar a.?

A

Convergence of vertebral arteries

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15
Q

What forms the cerebral arterial circle of Willis?

A 
Ant communicating a.
Ant cerebral a.
ICA
Post communicating a.
Post cerebral a.
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16
Q

The telencephalon gives rise to what cranial nerve?

A

CN I

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17
Q

The diencephalon gives rise to what cranial nerve?

A

CN II

18
Q

The midbrain gives rise to which cranial nerves?

A

CN III and IV

19
Q

The pons gives rise to which cranial nerves?

A

CN V, VI, VII, VIII

20
Q

The medulla gives rise to which cranial nerves?

A

CN IX, X, XI, XII

21
Q

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

A

Basilar a.

Post cerebral a.

22
Q

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

A

Basilar a.
AICA
Pontine aa.

23
Q

What is the arterial supply to the medulla oblongata?

A

Ant spinal a.
Vertebral a.
PICA

24
Q

What is the arterial supply to the cerebrum?

A 
ACA
MCA sup
MCA inf
MCA deep
PCA
PCA deep
Ant choroidal a.
25
Q

What functions will be impaired if the MCA is blocked?

A

Motor to head, neck, upper limbs

26
Q

What functions will be impaired if the ACA is blocked?

A

Motor to lower limbs

27
Q

What functions will be impaired if the PCA is blocked?

A

Vision

28
Q

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

A

Falx cerebri- dives down the longitudinal fissure

Falx cerebelli - divides the cerebellum

Tentorium cerebelli - wraps around laterally

29
Q

What does the middle meningeal a. serve?

A

Dura and calvaria

30
Q

Name and describe the cranial meningeal draining sinuses.

A

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

31
Q

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

A

Confluence of sinuses

32
Q

Where is the cavernous sinus?

A

Net-like structure up by sella turcica

33
Q

What runs thru the cavernous sinus?

A

ICA, CN III, IV, V, VI

34
Q

Where can blood pool in the skull?

A

Cavernous sinus

Pterygoid plexus

35
Q

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

A

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

36
Q

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

A

Parietal and occipital emissary veins

37
Q

What absorbs the CSF?

A

Arachnoid granulations (villi)

38
Q

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

A

Epidural. Very dangerous. Blood pushing onto the brain.

39
Q

A torn bridging cerebral vein leads to what?

A

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

40
Q

What happens when the aa. serving the brain rupture?

A

Subarachnoid aneurysm or subarachnoid hemorrhage

41
Q

Two types of stroke. Name and describe them.

A

Hemorrhagic - hemorrhage onto brain tissue.

Ischemic - Clot stops blood supply to an area of the brain

42
Q

What is CSF produced by?

A

Choroid plexus

HFF - Exam 3 (19 decks)

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