Test 4 Flashcards

1
Q

In the cranium, what do the superior petrosal sinuses empty into?

A

Sigmoid sinus

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2
Q

What best describes the terminal end of the internal carotid artery?

A

At the bifurcation into the anterior and middle cerebral arteries

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3
Q

The anterior communicating artery allows blood to flow between:

A

One anterior cerebral artery and the other

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4
Q

The brain, the eye, and pituitary receive their blood supply from the _______ artery

A

Internal carotid artery

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5
Q

The inferior Sagittal sinus becomes the (blank) after its Union with the (blank)

A

Becomes the
straight sinus
After it’s Union with the
Great vein of Galen

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6
Q

Name all cerebral and communicating arteries involved in the circle of Willis: (4)

A

Anterior cerebral artery
Middle cerebral artery
Posterior cerebral artery

Anterior communicating artery
Posterior communicating artery

(Note: there is no middle communicating artery in c-o-w)

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7
Q

The posterior communicating artery allows blood to flow between the (blank) and the (blank)

A

The anterior and posterior circulation sections

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8
Q

What vessel normally serves as the main supply of blood to the lateral surface of the frontal and parietal lobes of the brain ?

A

Middle cerebral artery

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9
Q

What is the normal route blood takes to leave the confluence of sinuses?

A

Via the transverse sinus

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10
Q

The circle of Willis is a major source of (blank) circulation for the (blank)

A

It’s a source of collateral circulation for the brain

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11
Q

The circle of Willis lies at the base of the (blank)

A

Cerebral hemispheres

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12
Q

The circle of Willis has (blank) & (blank) circulation components

A

Anterior and posterior circulation components

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13
Q

The circle of Willis has a (blank) axis

A

Horizontal

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14
Q

The internal carotid artery has a (blank) resistance waveform

A

Low resistance

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15
Q

The external carotid artery has a (blank) resistance waveform

A

High resistance

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16
Q

What is the name of the first branch off of the external carotid artery?

A

Superior thyroid artery

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17
Q

What two vessels join to form the superior vena cava?

A

Right and left brachiocephalic veins

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18
Q

The superior sinus lies in the (blank) axis

A

Superior

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19
Q

The transverse sinus lies on the (blank) axis

A

Transverse

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20
Q

The vertebral arteries join to form the (blank)

A

Basilar artery

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21
Q

The pontine arteries feed the (blank)

A

Pons

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22
Q

What is the third branch off of the aortic arch?

A

Left subclavian artery

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23
Q

What is the second branch off of the aortic arch?

A

Left common carotid artery

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24
Q

What is the first branch off of the aortic arch?

A

Right brachiocephalic artery

25
Q

What does the acronym “L.I.M.E” stand for in terms of identifying the internal carotid artery?

A

L. Lateral
I. Internal
M. Medial
E. External

26
Q

Which upper extremity vein is a common site for venipunctures?

(Note: venipuntures = having blood drawn).

A

Median cubital vein

27
Q

What does the anterior tibial vein flow into?

A

The popliteal vein

28
Q

What does the brachial vein flow into?

A

Axillary vein

29
Q

What does the greater saphenous vein flow into?

A

Common femoral vein

30
Q

Which vessel feeds the eyes?

A

The ophthalmic artery

31
Q

Which vessel runs along the corpus collosum in the interhemispheric fissure?

A

Anterior cerebral artery

32
Q

Which vessel allows blood to flow between the anterior and posterior portions of the circle of Willis?

A

Posterior communicating artery

33
Q

What vessel feeds the posterior portion of the cerebrum?

A

Posterior cerebral artery

34
Q

Which vessel feeds the superior portion of the cerebellum?

A

Superior cerebellar artery

35
Q

What vessel originates from the subclavian artery?

A

Vertebral artery

36
Q

Which vessel originates from the internal carotid artery?

A

Middle cerebral artery

37
Q

Which vessel originates from the common carotid artery?

A

Internal carotid artery

38
Q

Circle of Willis:
Which artery is in the “ASS” ?

A

Anterior spinal artery

39
Q

Circle of Willis:
Which artery is the pinky toes?

A

(Remember “pica toes”)

Posterior inferior cerebellar artery

40
Q

Circle of Willis:
Which artery is the upside down V?

A

Vertebral artery

41
Q

Circle of Willis:
Which artery is the “lower back” ?

A

(Remember “back aica”)

Anterior inferior cerebellar artery

42
Q

Circle of Willis:
Which artery is the shoulder?

A

Superior cerebellar artery

43
Q

Circle of Willis:
Which artery is the collarbone?

A

Posterior cerebral artery

44
Q

Circle of Willis:
Which artery sticks out of the center of the head?

A

Middle cerebral artery

45
Q

Circle of Willis:
Which artery is the eyes?

A

Internal carotid artery (ICA)

46
Q

Circle of Willis:
Which artery sticks up on top of the middle cerebral artery?

A

Ophthalmic artery

47
Q

Circle of Willis:
What is the artery on the very top of circle of Willis?

A

Anterior cerebral artery

48
Q

Circle of Willis:
Which artery is the “antenna” sticking down on top of the head?

A

Anterior communicating artery

49
Q

What best describes the terminal end of the external carotid artery?

A

At the bifurcation into the maxillary and superficial temporal arteries

50
Q

(Blank) resistance sits at, above, or below the baseline

A

High resistance

51
Q

(Blank) resistance does not touch the baseline

A

Low resistance

52
Q

What is the first branch off of the external carotid artery?

A

Superior thyroid artery

53
Q

Between ICA & ECA, which artery is more lateral

A

Internal carotid artery

54
Q

Between ICA & ECA, which artery is more medial?

A

External carotid artery

55
Q

True/False: the internal carotid artery is always larger than the external carotid artery.

A

False

(Internal carotid artery is typically larger in diameter, however, that is not always the case due to reasons such as stenosis)

56
Q

The vertebral vein & external jugular vein terminate at the:

A

Subclavian vein

57
Q

Once subclavian vein and internal jugular vein join, the (blank) vein is formed

A

Brachiocephalic vein

58
Q

The bilateral brachiocephalic veins form the:

A

Superior vena cava