Lesson 1 C2 Flashcards

1
Q

ECA branches from inferior to inferior

A
Superior thyroid 
Ascending pharyngeal 
Lingual 
Facial 
Occipital 
Posterior auricular 
Maxillary 
Superficial temporal 
Sally 
Ann 
Likes
Flirting 
On 
Peterboroughs
Main 
Street
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2
Q

What dod collateral vessels do

A

Reroute blood flow

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3
Q

The most important ECA collaterals are catagorised by what

A

Those that communicate with the opthalmic or vertebral artery

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4
Q

Which RE TH4 MOST IMPORTANT ECA COLLATERALS

A

Occipital
Facial
Superficial temporal
Internal maxillary arteries

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5
Q

the portion of the ICA that we scan

A

Cervical (extracranial)

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6
Q

The ICA is directed

A

Laterally, dorsally and upwards in the neck

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7
Q

ICA has high or low resistant flow pattern

A

Low

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8
Q

What is a normal variant of the ICA

A

Coils

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9
Q

What can coils lead to over time in the ICA

A

Kinks—>HBP—> stenosis

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10
Q

The ICA supplies most of the _______ circulation of the brain

A

Anterior

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11
Q

4 portions of the ICA

A

Cervical
Petrous portion
Cavernous
Supraclinoid

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12
Q

Where is the petrous portion of ICA

A

Pass through temporal bone at petrous bone

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13
Q

Describe the cavernous portion of the ICA

A

Tortuous portion where the opthalamic artery branches

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14
Q

Where is the supraclinoid portion

A

Where branching of the intracranial ICA occurs to form circle of willis

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15
Q

The first intracranial branch is the

A

Opthalmic artery

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16
Q

The ICA terminates at the

A

Anterior cerebral artery

17
Q

Verebral arteries supply ______ circulation of the brain

A

Posterior

18
Q

Where do the vertebrals enter the skull

A

Foramina transversaria

19
Q

Vertebral arteries give off _____ and ____ branches

A

Muscular and spinal

20
Q

The vertebrals leave the cervical spine at the ________ and then loop anteriorly to enter the ________

A

Atlanto-occiptial interspace

Foramen magnum

21
Q

The vertebal arterys unite at the _______ to form the ______

A

Pontomedullary junction

Basilar artery

22
Q

The vertebral vein is formed from numerous small tributaries which spring from the

A

Vertebral venous plexus

23
Q

The vertebral vein travels along side the

A

Vertebral artery

24
Q

The vertebral vein empties into the _______ where ___ are located

A

Innominate vein

Valves are located