Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Neurobiology I > Lecture 6: Blood Supply of the Brain > Flashcards

Lecture 6: Blood Supply of the Brain Flashcards

(74 cards)

Start Studying
1
Q

Which fissure/sulci do the ACA, MCA, and PCA run through?

A

ACA: longitudinal fissure
MCA: lateral sulcus
PCA: transverse fissure

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

____% body weight, ___% blood supply

A

2
20

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

There are more blood vessels in the ______ matter than the ______

A

gray
white

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

Anterior division: _______ _______ artery

Posterior division: _________ - _________ artery

A

Internal Carotid (IC)

Vertebral Basilar

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

The 1st branch from the IC is the _______ artery

A

ophthalmic

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

Anterior blood supply:

This branch is associated with the choroid plexus and is a part of the ventricular system to help secrete CSF?

A

Anterior choroidal artery

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

The opthalmic artery forms the ______ nerve through the optic canal

A

optic

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

Anterior blood supply:

This major branch from the IC helps to form anastamosis with the posterior division?

A

Posterior communicating artery

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

What are the 3 major branches from the IC?

1.
2.
3.

A

Opthalmic artery
Anterior Choroidal artery
Posterior Communicating artery

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

Label this

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

Posterior blood supply:

2 major branches from the Vertebral artery (VA)
1.
2.

A

Anterior Spinal artery

Posterior Inferior Cerebellar artery

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

Posterior blood supply

The ______ ______ artery branches off of PICA

A

posterior spinal

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

Label this

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

The vertebral artery at C6 courses through the _________ __________

A

transverse foramina

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

Posterior blood supply:

The _______ artery is located on the pontomedullary junction

A

Basilar

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

Posterior blood supply:

4 branches off of the Basilar artery?
1.
2
3.
4.

A

Anterior Inferior Cerebellar artery (AICA)
Pontine arteries
Superior Cerebellar artery (SCA)
Posterior Cerebral artery (PCA)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Posterior blood supply:

The _______ arteries are tiny branches from the AICA

A

pontine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The PCA is between the ______ and _______

A

pons
midbrain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

An aneurysm involving the SCA and PCA will compress which cranial nerve?

A

CN III- Oculomotor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Label this

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

A patient fractured the basal neurocranium around around the jugular foramen. Which nerve coursing through would be compromised?

A

CN IX, X, XI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Circle of Willis contains 9 arteries, which are…?

A

ACA x 2
PCA x2
Anterior communicating artery
Posterior communicating artery x2
IC x 2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Which artery in the brain is NOT associated/ a part of the Circle of Willis?

A

MCA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What’s going on in this angiogram?

A

R ACA from L IC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What's going on in this angiogram?
L PCA from L IC
26
What's going on in this angiogram?
B PCA from B IC
27
What's going on in this angiogram?
R ACA from L IC R PCA from R IC
28
Cerebral Cortex Blood Supply: ACA supplies the _____ part of the brain located in the ________ fissure supplies the medial/superior ______ and _______ lobes + the ________ gyrus
medial longitudinal frontal, parietal, cingulate
29
Cerebral Cortex Blood Supply: MCA Runs in the _______ sulcus supplies the lateral and inferior _______/________ lobes, and the superior ________ lobe
lateral frontal, parietal temporal
30
Cerebral Cortex Blood Supply: PCA In the _______ fissure (tentorium ________) supplies the inferior (mostly medial) _______ lobe and _______ lobe
transverse cerebelli temporal occipital
31
Basal Nuclei and Thalmic Family Blood Supply: ACA branch 1. 2.
nucleus acumbens caudate
32
Basal Nuclei and Thalmic Family Blood Supply: MCA branch 1. 2.
putamen caudate
33
Basal Nuclei and Thalmic Family Blood Supply: IC branch 1. 2.
Globus pallidus internal capsule
34
Basal Nuclei and Thalmic Family Blood Supply: PCA branch 1.
thalamus
35
Label these
36
Brainstem Blood Supply AICA and SCA are part of the __________ division
tegmentum
37
Brainstem Blood Supply Midbrain: 1. ? 2. ?
PCA SCA
38
Brainstem Blood Supply Pons 1. ? 2. ?
Pontine arteries AICA/SCA
39
Brainstem Blood Supply Medulla 1. ? 2. ?
Anterior spinal artery Posterior spinal artery
40
Which 3 arteries supply the Cerebellum?
PICA AICA SCA
41
_________ stroke: is when the blood vessels burst from too much pressure within the brain
Hemorrhagic
42
An ___________ (inside) stroke occurs within the brain tissue itself
Intraparenchymal
43
A ____________ (outside) stroke causes bleeding into the space between the pia and arachnoid matters
Subarachnoid
44
How does a subarachnoid hemorrhage occur typically?
trauma to the head or an aneurysm
45
A hemorrhagic stroke makes up ____% of all strokes A hemorrhagic stroke makes up ______% of death cases if < _____ years old: drug abuse screen required
13 40 55
46
What is happening in this medical image? What happens during this?
Herniation It takes up more space and moves brain structures
47
What is happening in this medical image? What happens during this?
Spreads to other structures and the outside of the brain is compromised
48
Which hemorrhage to the brain has a star-like apperance on a CT?
subarachnoid
49
What is the most common type of stroke?
Ischemic
50
An ________ stroke is when a blood clot (vessels) blocks blood flow to the brain and does NOT get oxygen
Ischemic
51
With an ischemic stroke, fat glands in the vessels can be ________
dislodged
52
True or False? You can have a intraparencyhmal and subarachnoid ischemic stroke
FALSE ONLY INTRAPARENCHYMAL!!
53
An ischemic stroke makes up ____% of all strokes An ischemic stroke makes up ______% of death cases _______ damage during an ischemic stroke can occur due to blockage
87 60 Hypoxic
54
What kind of stroke is happening here?
Ischemic, the brain tissue can die from this
55
Label this A to E
A. IC B. MCA C. ACA D. Post. communicating A. E. PCA
56
What are these two structures?
above: opthalmic artery below: basilar artery
57
Which medication treats the reversal of strokes?
TPA (tissue plasminogen activator)
58
___________ is when a distant part of the brain loses function due to damage nearby
diaschisis
59
Which is worse, a hemorrhagic or ischemic stroke?
Hemorrhagic
60
Diaschisis is a _______ and ______ injury that causes ______ damage
distant systemic localized
61
The ________ is the area salvageable during a stroke
of damage penumbra
62
What is happening on this transverse CT?
Subarachnoid hemorrhage
63
Cerebral Cortex Stroke: Somatotopy/homunculus: lateralization Sensory: _________/________ Motor: ________/_________
paresthesia/numbness paresis/paralysis
64
What stroke occured in this brain?
Lacunar stroke
65
They call the _______ stroke a "silent stroke"
Lacunar
66
With a lacunar stroke it involves what structures?
small blood vessels
67
A lacunar stroke occurs in what part of the brain? and compromises the _______ body _________
diencephalon contralateral; hemisphere
68
Basal Nuclei and Diencephalon Stroke: There are NO _______ and ______ decussations in the ________
sensory; motor forebrain
69
Which stroke causes more functional loss, cortical or lacunar stroke?
lacunar
70
A brainstem stroke causes more functional loss and affects our.... _________, _________, and _______ specifically which area?
alertness arousal consciousness vital centers
71
This condition can happen from a brainstem stroke and would affect the ipsilateral face/head and contralateral body?
Alternating Hemiplegia
72
With a brainstem stroke, if this part degenerates too much, you will die?
vital centers
73
Which arteries supply blood to the forebrain basal nuclei?
ACA branches: nucleus acumbens, caudate, internal capsule, globus pallidus MCA: caudate, putamen PCA: thalamus
74
Suppose an ischemic stroke happens around the left rostral basilar medulla. Which body parts and functions will be compromised?
Paresis/paresthesia of the L face and R hemisphere

Neurobiology I (13 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions