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Neuroscience I Exam #1 > Craniofacial Vasculature II > Flashcards

Craniofacial Vasculature II Flashcards

1
Q

What delineates the 1st, 2nd, and 3rd parts of the Subclavian A.?

A

1st - medial to anterior scalene m.
2nd - behind anterior scalene m.
3rd - lateral border of anterior scalene m. to the first rib.

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2
Q

What are the branches of the thyrocervical trunk?

A

Inferior thryoid a.
Ascending cervical a.
Suprascapular a.
Transverse cervical a.

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3
Q

What are the branches of the costocervical trunk?

A

Supreme intercostal a.

Deep cervical a.

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4
Q

What artery comes off distal to the costocervical trunk?

A

Dorsal scapular a.

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5
Q

Branches of external carotid a.

A 
Superior thyroid a. --> superior laryngeal a.
Ascending pharyngeal a.
Lingual a.
Facial a.
Occipital a.
Posterior auricular a.
Superficial temporal a.
Maxillary a.
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6
Q

Branches of superior thyroid a. (3)

A

Superior laryngeal a.
Infrahyoid a.
Sternocleidomastoid branch

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7
Q

What 2 muscles does the lingual a. go beneath?
What nerve does it cross?
What muscle does it run deep to?

A

Goes beneath digastric m. and stylohyoid m.
Crosses CN XII.
Hypoglossus m.

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8
Q

2 terminal branches of the lingual a.:

A

Sublingual a.

Deep lingual a.

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9
Q

Cervical branches of the facial a. (4)

A

Ascending palatine a.
Tonsilar branch
Submental a.
Glandular branch

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10
Q

Facial branches of the facial a. (4)

A

Inferior labial a.
Superior labial a.
Lateral nasal branch
Angular a.

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11
Q

What nerve does occipital a. run with?

A

Greater occipital n.

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12
Q

What structures is the posterior auricular a. associated with as it ascends?

A

Goes beneath parotid gland and between ear and mastoid process.

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13
Q

Branches of the posterior auricular a. (5)

A 
Stylomastoid a.
Posterior tympanic a.
Auricular branch
Occipital branch
Parotid branch
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14
Q

3 parts of maxillary a.

A

I - mandibular part
II - pterygoid part
III - pterygopalatine part

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15
Q

Branches of mandibular part of maxillary a. (5)

A 
Deep auricular a.
Anterior tympanic a.
Inferior alveolar a. --> mylohyoid a. and mental a.
Middle meningeal a.
Accessory meningeal a.
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16
Q

What foramen does inferior alveolar a. enter?

What does it supply?

A

Mandibular foramen.

Supplies mandible, mandibular teethe, chin and mylohyoid m.

17
Q

What does middle meningeal a. supply?

A 
Dura of lateral wall
Trigeminal ganglion
CN VII
Tympanic cavity
Tensor tempani m.
18
Q

What foramen does accessory meningeal a. enter?

What does it supply?

A

Foramen ovale.

Supplies extracranial ms. of infratemporal fossa, otic ganglion and sphenoid bone.

19
Q

Branches of pterygoid part of maxillary a. and what do they supply?

A

Deep temporal a. - temporalis m.
Pterygoid branches - pterygoid m.
Masseteric a. - TMJ and masseter m.
Buccal a. - buccinator m.

20
Q

Branches of pterygopalatine a. (6)

A 
Posterior superior alveolar a. 
Infraorbital a.
A. of pterygoid canal
Pharyngeal branch
Descending palatine a. (greater and lesser palatine as.)
Sphenopalatine a.
21
Q

What does posterior superior alveolar a. supply?

A

Maxillary molar and premolar teeth.

22
Q

What does the infraorbital a. travel through?

What does it supply?

A

Inferior orbital fissure.

Some eye muscles, lacrimal sac, maxillary canines, incisors and skin of infraorbital region of face.

23
Q

What does the A. of pterygoid canal supply?

A

Mucosa of upper pharynx, pharyngotympanic tube and tympanic cavity.

24
Q

What does the greater and lesser palatine as. supply?

A

Greater - hard palate

Lesser - soft palate, palatine tonsils.

25
Q

What does sphenopalatine a. supply?

A

Nasal septum and all sinuses.

26
Q

Branches of superficial temporal a. (5)

A 
Transverse facial a.
Middle temporal a.
Anterior auricular a.
Frontal a.
Parietal a.
27
Q

Vertebrobasilar insufficiency is:

Sx:

A

Decreased posterior circulation due to intermittent vertebral a. occlusion.

Sx: syncope, dizziness, vertigo, double vision, slurred speech, nausea, vomiting, etc.

28
Q

Subclavian steal syndrome

A

Proximal stenosis/occlusion of subclavian a.
Causes reverse flow thru vertebral as. to reach UE.
Decreased BF to brain.

Neuroscience I Exam #1 (25 decks)

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