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SP16 Anatomy Exam 2 > Anterior Cervical Triangle > Flashcards

Anterior Cervical Triangle Flashcards

(56 cards)

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1
Q

Boundaries of the AC triangle

A

Anterior: median line of neck
Posterior: SCM
Superior: inferior border of mandible

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2
Q

What nerve supplies the platysma?

A

Facial nerve

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3
Q

What are the 5 veins of the anterior triangle?

A 
Facial V
Retromandibular V
Anterior Jugular V
Communicating branch
Internal Jugular V
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4
Q

What does the facial vein drain to?

A

From angle of eye and drains IJV

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5
Q

What does the posterior branch of the retromandibular vein join and drain to?

A

Posterior branch joins with posterior auricular and drains into EJV

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6
Q

Anterior jugular V drains where?

A

drains to EJV

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7
Q

What does the communicating branch connect to?

A

facial vein and AJV

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8
Q

What does the IJV drain?

A

Brain, anterior face, and cervical viscera

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9
Q

What veins join to make the retromandibular vein?

A

Maxillary vein and superficial temporal vein come together

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10
Q

Anterior branch of retromandibular joins and drains where?

A

Anterior branch and facial join and drain into the IJV

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11
Q

What does the anterior branch of the retromandibular and facial vein called?

A

Common facial

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12
Q

Where is Erb’s point?

A

Posterior surface of SCM in the middle

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13
Q

What emerges at the Erb’s point?

A

Transverse Cervical nerve

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14
Q

What cervical levels is the transverse cervical n at

A

C2 C3

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15
Q

What does the transverse cervical nerve supply?

A

Skin of anterior cervical triangle

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16
Q

What are the 5 components of the cervical visercea?

A 
Thyroid cartilage
Cricoid cartilage
Carotid Sheath
Thyroid Gland
Cupula of pleura
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17
Q

What are the 2 components of the thyroid cartilage?

A

Cricothyroid ligament

Cricothyroid muscle

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18
Q

What are the 3 components of the carotid sheath?

A

IJV
Carotid artery
Vagus nerve

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19
Q

What are the 5 arteries of the anterior triangle

A 
common carotid a
external carotid a
internal carotid a
vertebral a
thyrocervical trunk
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20
Q

common carotid bifurcates to what two arteries?

A

external and internal carotid

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21
Q

what does the external carotid a supply?

A

external head and neck

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22
Q

what does the internal carotid artery supply?

A

anterior and mid brain

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23
Q

what does the vertebral a supply?

Study These Flashcards
A

posterior brain

24
Q

what does the thyocervical trunk supply?

25
what foramen does the vertebral artery go through to get to the brain?
magna
26
The vertebral arteries join together to form what artery?
basalar a
27
The right common carotid artery begins where?
at the bifurcation of the brachiocephalic trunk
28
The left common carotid artery arises from where?
aortic arch
29
what are the terminal branches of the external carotid a
maxillary a and superficial temporal a
30
What are the 4 subdivisions of the anterior triangle?
Carotid triangle submandibular triangle submental triangle muscular triangle
31
What are the four muscles of the suprahyoid?
Digastric Mylohyoid Stylohyoid Geniohyoid
32
What muscles subdivide the ACT?
Suprahyoid Infrahyoid SCM
33
what are the 2 components of the digastric m?
anterior and posterior bellies
34
what are the 4 muscles of the infrahyoid muscles?
sternohyoid m sternothyroid m thyrohyoid m omohyoid m
35
what are the 2 components of omohyoid m?
superior and inferior bellies?
36
why are there deep intermediate muscles?
flexibility with hyoid bone. breathing talking, swallowing, eating.
37
what are the borders of the submandibular triangle?
superior boundary: inferior border mandibule anterior/inferior boundary: anterior belly digastric m posterior/inferior boundary: posterior belly digastric m
38
what are the 5 components of the submandibular triangle
submandibular salivary gland and lymph nodes facial vessels hypoglossal nerve marginal mandibular branch of facial nerve mylohyoid branch of CN V3
39
boundaries of the submental triangle?
Left lateral boundary: left anterior belly digastric m right lateral boundary: right anterior belly digastric m inferior boundary: hyoid bone
40
What are the contents of the submental triangle?
Mylohyoid muscle (floor of mouth) submental lymph nodes few small veins
41
boundaries of muscular triangle
anterior boundary: median line of neck posterior/superior boundary: superior belly of omohyoid m posterior/inferior boundary: SCM
42
muscular triangle contents
sternohyoid m sternothyroid m thyrohyoid m visceral structures of neck
43
What are the visceral structures of the neck of the muscular triangle?
``` thyroid parathyroid trachea esophagus common carotid a ```
44
what are the boundaries of the carotid triangle
anterior/superior boundary: posterior belly digastric m anterior/inferior boundary: superior belly of omohyoid m posterior boundary: SCM
45
What are the nerves of the carotid triangle?
``` accessory vagus hypoglossal ansa cervicalis (C1-C3) laryngeal n (CN X branches) ```
46
What are the arteries of the carotid triangle?
common, internal, and external carotid and 6 branches of the external carotid (3 anteriors and 3 posteriors)
47
what are the 3 anterior branches of the external carotid?
Superior thyroid lingual facial
48
what are the 3 posterior branches of the external carotid?
ascending pharyngel a occipital a posterior auricular a
49
what does the superior thyroid artery supply?
superior thyroid gland
50
what does the lingual artery supply?
inferior surface of the tongue
51
what does the facial artery supply?
supply face
52
what does the ascending pharyngeal artery supply?
pharynx and tonsils
53
what does the occipital artery supply?
neck and scalp
54
what does the posterior auricular artery supply?
scalp behind the ear
55
what does the superior thyroid artery give off?
superior laryngeal artery
56
what does the superior laryngeal artery pierce?
thyrohyoid membrane

SP16 Anatomy Exam 2 (14 decks)

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