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PT612 > Blood Supply to Head and Neck > Flashcards

Blood Supply to Head and Neck Flashcards

1
Q

Major Artery that supplies the face

A

External Carotid Artery

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2
Q

Branches of the External Carotid Artery

A 
Transverse Facial 
Superficial Temporal
Maxillary
Posterior Auricular
Occipital
Facial
Lingual
Ascending Pharyngeal
Superior Thyroid
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3
Q

Branches of the Maxillary Artery

A

Infraorbital
Buccal
Mental

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4
Q

Vessels of the Scalp (off the External Carotid A)

A 
Supraorbital
Supratrochlear
Superficial Temporal
Posterior Auricular
Occipital
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5
Q

Subclavian Artery passes

A

between ante and middle scalene along with brachial plexus

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6
Q

Subclavian Vein passes

A

anterior to anterior scalene

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7
Q

two major arteries that exit the thorax to supply the upper extremity and the head and neck

A

Subclavian a.

Common carotid a.

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8
Q

on the right side these arteries come from

A

brachiocephalic a.

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9
Q

on the life side these arteries come from

A

aortic arch

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10
Q

subclavian gives off

A

vertebral aa.

thyrocervical trunk

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11
Q

Thyrocervical Trunk supplies

and gives off

A

lower neck structures

inferior thyroid a.

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12
Q

major arteries of the head and neck are

A

Common Carotid a

Vertebral Arteries

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13
Q

the Common Carotid splits level with

A

the superior border of the thyroid cartilage

C4-C5 level

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14
Q

Internal Carotid artery supplies

A

(along with vertebral arteries)

the contents of the cranial cavity

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15
Q

External Carotid artery supplies

A

upper neck
face
scalp

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16
Q

External Carotid gives off

A

Superior thyroid artery

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17
Q

brain receives about ____% of cardiac output

A

15%

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18
Q

brain can consume ___% of oxygen supply at rest

A

25%

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19
Q

if blood is interrupted for ___ mins can cause irreversible damage

A

5

20
Q

blood supply to brain by way of two main arteries

A

Internal Carotid Arteries

Vertebral Arteries

21
Q

__% from internal carotid

__% from vertebral arteries

A

70%

30%

22
Q

Internal Carotid enters cranial cavity via

A

carotid canal in temporal bone

23
Q

Internal Carotid passes through the

A

cavernous venous sinus

24
Q

Vertebral Arteries is a branch of

A

subclavian a

25
Q

Vertebral arteries passes through

A

transverse foramen of cervical vertebra 1-6

26
Q

Vertebral aa. enter cranial cavity via

A

foramen magnum located in occipital bone

27
Q

Internal Carotid passes through canal to the

A

superior portion of foramen lacerum

28
Q

Foramen Lacerum is located between

A

temporal & sphenoid bones

29
Q

Internal Carotid ascends into cranial cavity through

A

cavernous sinus located on the side of the sella turcia

30
Q

_______ travels on the outer surface of internal carotid a

A

Carotid Sympathetic plexus

31
Q

Arteries of the Cranial Canal

A

internal carotid aa. & vertebral aa.

32
Q

anterior portion is called:

A

cerebral arterial circle or

Circle of Willis

33
Q

Internal Carotid artery gives off

A

Ophthalmic a.
Anterior Cerebral a.
Middle Cerebral a.
Posterior Communicating a.

34
Q

Ophthalmic a. supplies

A

eye & orbit

35
Q

Anterior Cerebral a. supplies

A

Anterior & Medial Cerebrum

36
Q

Middle Cerebral a. supplies

A

lateral Cerebrum

37
Q

Posterior Communicating a. supplies ________ via _______

A

posterior & inferior cerebrum via Posterior Cerebral

38
Q

Vertebral a. gives off

A

Posterior Inferior Cerebellar a.
Anterior Spinal a.
Basilar a.

39
Q

From Basilar a. comes

A

Anterior inferior Cerebellar
Superior Cerebellar
Posterior Cerebellar

40
Q

Forebrain is supplies by

A

Ante, Middle, Post. Cerebral aa.

41
Q

Most of the brain is supplies by

A

branches of the Basilar a.

42
Q

Middle Meningeal Artery is a branch of _____ which is a branch of ______

A

Maxillary a

External Carotid a

43
Q

it is the

A

largest meningeal artery supplying the cranial meninges

44
Q

it enters the cranial cavity via

A

foramen spinonsum in the middle cranial fossa

45
Q

after exiting the brain the cranial nn. first pass

A

through the dura before entering the foramina

46
Q

Ophthalmic artery travels into

A

the cranial canal and into the orbit

47
Q

Ophthalmic artery gives off

A

central retinal artery

PT612 (9 decks)

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