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

Brain vasculature 10/4/16 Flashcards

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?

A

input V

output VII

18
Q

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

A

input IX

output X

19
Q

What arteries supply the the midbrain?

A
  • Basilar artery

- Posterior cerebral artery

20
Q

What arteries supply the pons?

A
  • Basilar Artery

- AICA

21
Q

What arteries supply the medulla oblongata?

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

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

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?

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?

A
  • You will have damage to vision
25
Q

T/F the brain can have watershed areas

A

True

26
Q

What are the two Dura mater folds?

A

Falx cerebri

-Tentorium cerebelli

27
Q

What does the Falx cerebri separate?

A

Hemispheres

28
Q

What does the tentorium cerebelli separate?

A

The cerebellum from the occipital lobes

29
Q

What is found within dura layers?

A

Cranial sinuses

30
Q

What is the main sinus found at the stop of the brain?

A

Superior sagittal sinus

31
Q

What sinus do you find below the superior sagittal sinus?

A

Inferior sagittal sinus

32
Q

What sinus do you find running across (side to side) of the brain?

A

Transverse sinus

33
Q

What is the final sinus you go through before you enter the Internal Jugular Vein?

A

Sigmoid sinus

34
Q

What runs through the cavernous sinus?

A 
-CN III
CN IV
CN V
CN VI
- ICA
35
Q

What are two alternate drainage routes for the face?

A
  • Cavernous sinus

- Pterygoid plexus

36
Q

What happens if you get a clot in the cavernous sinus?

A

-Cavernous sinus thrombosis

37
Q

What is the first CN affected by a clot in the cavernous sinus?

A

CN VI

38
Q

What are emissary veins?

A

Veins that drain the scalp and then enter into the brain sinuses

39
Q

What clinical problem can occur when the middle meningeal artery is damaged?

A
  • Epidural hematoma
40
Q

What clinical problem can occur when the bridging veins are damaged?

A

Subdural hematoma

41
Q

What clinical problem can occur if you have ruptured an intracranial vessel?

A
  • Subarachnoid hemorrhage
42
Q

What clinical problem can occur if you have a disrupted arterial flow to a portion of cerebral parenchyma?

A
  • Stroke

Anatomy HFF (12 decks)

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