Blood Supply to the Brain Flashcards

1
Q

From what artery does the middle cerebral artery originate from?

A

Internal carotid artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

From what artery does the anterior cerebral artery originate from?

A

Internal carotid artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

From what artery does the posterior cerebral artery originate from?

A

Basilar artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

From which arteries does the basilar artery originate from?

A

The right and left vertebral arteries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Where does the basilar artery supply?

A

Cerebellum and brainstem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Where does the anterior cerebral artery supply?

A

Medial surfaces of the frontal and parietal lobes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Where does the middle cerebral artery supply?

A

Lateral surfaces of the cerebral hemispheres

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Where does the posterior cerebral artery supply?

A

Inferior brain surface and occipital lobes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the name of the ring of connecting arteries at the base of the brain?

A

Circle of Willis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Where does the venous blood from the brain initially drain to?

A

Dural venous sinuses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Where are the dural sinuses located?

A

Between the periosteal and meningeal dural layers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Name 3 sinuses in the brain

A

Superior saggital sinus
Inferior saggital sinus
Cavernous sinus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What artery gives off the posterior inferior cerebellar artery?

A

Vertebral artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What artery gives off the anterior inferior cerebellar artery?

A

Basilar artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which structure does the basilar artery lie on?

A

Pons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Where does the basilar artery supply?

A

Brainstem

17
Q

Give 3 causes of a haemorrhagic stroke

A

Hypertension
Aneurysm
Thrombocytopenia
Cocaine

18
Q

Give 3 causes of an ischaemic stroke

A

Embolism
Blood disorder
Atheroma
Small vessel disease

19
Q

What type of stroke can go undetected?

A

Lacunar stroke- blood flow to a deep artery in the brain is blocked

20
Q

What is the most common type of stroke?

A

PACS- partial anterior circulation stroke

21
Q

What are the 3 main symptoms of a TACS (total anterior circulation stroke)?

A

Contralateral hemiparesis
Contralateral hemianopia
Higher cerebral dysfunction