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Anatomy HFF > Brain vasculature 10/4/16 > Flashcards

Brain vasculature 10/4/16 Flashcards

(42 cards)

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1
Q

What are the two main arteries that supply the brain?

A
  • Internal Carotid Artery

- Vertebral Artery

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2
Q

In a simplified version how many arteries supply the cortex of the brain?

A

three

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3
Q

In a simplified version how many arteries supply the cerebellum?

A

three

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4
Q

In a simplified version how many arteries supply the brainstem?

A

A bunch

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5
Q

What are the three arteries that supply the cerebral portion of the brain?

A
  • Middle Cerebral artery
  • Anterior Cerebral Artery
  • Posterior Cerebral Artery
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6
Q

What are the three arteries that supply the cerebellum?

A
  • Superior cerebellar
  • Anterior Inferior Cerebellar Artery
  • Posterior Inferior Cerebellar Artery
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7
Q

What three arteries branch of off the internal carotid artery?

A
  • Ophthalmic artery
  • Anterior Cerebral
  • Middle Cerebral
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8
Q

What artery branches off of the Vertebral Artery?

A

-Posterior Inferior Cerebellar Artery

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9
Q

What artery is it when the the two vertebral arteries come together?

A

-Basilar artery

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10
Q

What arteries branch off of the basilar artery?

A
  • AICA
  • SCA
  • Posterior Cerebral
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11
Q

What five arteries make up the circle of willis?

A
  • Anterior communicating
  • Anterior Cerebral
  • Internal Carotid Artery
  • Posterior communicating
  • Posterior cerebral
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12
Q

What two CN are found in the midbrain?

A

CN III

CN IV

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13
Q

What four CN are found in the Pons?

A

CN V
CN VI
CN VII
CN VIII

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14
Q

What four CN are found in the Medulla?

A

CN IX
CN X
CN XI
CN XII

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15
Q

What are three tests you can perform if a patient is unconscious to test arteries and CNs?

A

Midbrain - pupillary light reflex

  • Pons - Corneal reflex
  • Medulla - Gag reflex
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16
Q

What is the input and output CN if the pupillary light reflex?

A

CN II - Input

CN III - Output

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17
Q

What are the input and output CNs of the corneal reflex?

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A

input V

output VII

18
Q

What are the input and output CNs of the gag reflex?

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A

input IX

output X

19
Q

What arteries supply the the midbrain?

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A
  • Basilar artery

- Posterior cerebral artery

20
Q

What arteries supply the pons?

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A
  • Basilar Artery

- AICA

21
Q

What arteries supply the medulla oblongata?

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A
  • Anterior spinal artery
  • Vertebral artery
  • PICA
22
Q

If you have damage to the Middle Cerebral Artery what happens?

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A

You lose speech function if on the dominant side

-Motor and Sensory from the hips up

23
Q

If you have damage to the Anterior Cerebral Artery what happens?

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A

You damage the paracentral lobule which loses motor control of the lower limbs

24
Q

If you have damage to the Posterior Cerebral Artery what happens?

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A
  • You will have damage to vision
25
T/F the brain can have watershed areas
True
26
What are the two Dura mater folds?
Falx cerebri | -Tentorium cerebelli
27
What does the Falx cerebri separate?
Hemispheres
28
What does the tentorium cerebelli separate?
The cerebellum from the occipital lobes
29
What is found within dura layers?
Cranial sinuses
30
What is the main sinus found at the stop of the brain?
Superior sagittal sinus
31
What sinus do you find below the superior sagittal sinus?
Inferior sagittal sinus
32
What sinus do you find running across (side to side) of the brain?
Transverse sinus
33
What is the final sinus you go through before you enter the Internal Jugular Vein?
Sigmoid sinus
34
What runs through the cavernous sinus?
``` -CN III CN IV CN V CN VI - ICA ```
35
What are two alternate drainage routes for the face?
- Cavernous sinus | - Pterygoid plexus
36
What happens if you get a clot in the cavernous sinus?
-Cavernous sinus thrombosis
37
What is the first CN affected by a clot in the cavernous sinus?
CN VI
38
What are emissary veins?
Veins that drain the scalp and then enter into the brain sinuses
39
What clinical problem can occur when the middle meningeal artery is damaged?
- Epidural hematoma
40
What clinical problem can occur when the bridging veins are damaged?
Subdural hematoma
41
What clinical problem can occur if you have ruptured an intracranial vessel?
- Subarachnoid hemorrhage
42
What clinical problem can occur if you have a disrupted arterial flow to a portion of cerebral parenchyma?
- Stroke

Anatomy HFF (12 decks)

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