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anatomy year 2 > Nervous 2 > Flashcards

Nervous 2 Flashcards

1
Q

What is 1?

A
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2
Q

What is 2?

A

Anterior communicating artery

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3
Q

What is 3?

A

Anterior communicating artery

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4
Q

What is 4?

A

Internal carotid artery

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5
Q

What is 5?

A

Middle cerebral artery

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6
Q

What is 6?

A

Posterior communicating artery

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7
Q

What is 7?

A

Posterior cerebral artery

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8
Q

What is 8?

A

Superior cerebellar artery

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9
Q

What is 9?

A
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10
Q

What is 10?

A

Labyrinthine artery

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11
Q

What is 11?

A

Anterior inferior cerebellar artery

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12
Q

What is 12?

A

Posterior inferior cerebellar artery

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13
Q

What is 13?

A

Vertebral artery

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14
Q

What is 14?

A

Anterior spinal artery

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15
Q

From which artery do the left and right vertebral arteries arise?

A

Subclavian arteries

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16
Q

At which vertebral level do the left and right internal carotid arteries arise?

A

C4

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17
Q

How is the basilar artery fromed?

A

Union of vertebral arteries

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18
Q

Which arteries complete the posterior of the Circle of Willis by linking the inernal carotid arteries to the posterior cerebral arteries?

A

Posterior communicating arteries

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19
Q

Which arteries complete the anterior aspect of the Circle of Willis by linking the anterioe cerebral arteries?

A

Anterior communicating arteries

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20
Q

In what fissures are the: anterior, middle and posterior cerebral arteries found?

A

Anterior - longitudinal fissure

Middle - lateral fissure

Posterior - transverse fissure

21
Q

What cerebral artery supplies the primary motor cortex?

A

Middle cerebral artery

22
Q

What cerebral artery supplies the primary sensory area?

A

Middle cerebral artery

23
Q

What cerebral artery supplies the primary visual cortex?

A

Posterior cerebral artery

24
Q

What cerebral artery supplies the primary auditory area?

A

Middle cerebral artery

25
Q

What cerebral artery supplies the area for olfaction?

A

Anterior cerebral artery

26
Q

What parts of the brian does the vertebro-basilar system supply?

A

Brainstem

Cerebelleum

Thalamus

Occipital lobe

27
Q

What cerebral artery runs immediately superior to the superior cerebellar arteries?

A

Posterior cerebral artery

28
Q

What is A?

A

Anteriror cerebral artery

29
Q

What is B?

A

Anterior communicating artery

30
Q

What is C?

A

Internal carotid artery

31
Q

What is D?

A

Middle cerebral artery

32
Q

What is E?

A

Posterior communicating artery

33
Q

What is F?

A

Posterior cerebral artery

34
Q

What is G?

A

Superior cerebellar artery

35
Q

What is H?

A

Basilar artery

36
Q

What is I?

A

Anterior inferior cerebellar artery

37
Q

What is J?

A

Vertebral artery

38
Q

What is K?

A

Posterior inferior cerebellar artery

39
Q

What cranial nerve emerges just above the superior cerebellar artery?

A

Occulomotor

40
Q

What are the different aspects of nerve supply to the arteries in the brain?

A

Carotid sinus - dilation located in terminal part of CCA, is pressure sensitive receptor which monitors blood to the head, sensory nerves from carotid sinus run in the glossopharyngeal nerve and vagus nerve

Carotid body - area in posterior wall of terminal part of CCA, contains chemoreceptors which are sensitive to low oxygen levels, sensory nerves from these receptors run in the glossopharygeal nerve

Sympathetic motor nerves - from superior cervical ganglion form plexus around ICA, enters skull through carotid canal and continues along main branches of ICA

41
Q

Where is the carotid sinus?

A

Terminal part of CCA (or proximal part of ICA)

42
Q

What does the carotid sinus respond to?

A

It is a pressure receptor that monitors blood flow to the head and brain

43
Q

Sensory nerves from the carotid sinus run with what nerves?

A

Glossopharyngeal

Vagus

44
Q

The carotid body is located where?

A

Posterior wall of the terminal part of the common carotid artery in the neck

45
Q

The carotid body responds to what?

A

Contains chemoreceptors which are sensitive to low oxygen levels, causing:

increased heart rate, increased respiration rate, increased blood pressure

46
Q

Sensory nerves from the carotid body run in what nerve?

A

Glossopharyngeal nerve

47
Q

The plexus formed from sympathetic motor nerves from the superior cervical ganglion enter the skull through what?

A

Carotid canal

48
Q
A

anatomy year 2 (17 decks)

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