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602 EX 2 > Neck 1 > Flashcards

Neck 1 Flashcards

1
Q

what are these different sections of the neck?

A
  1. posterior triangle
  2. anterior triangle
  3. root
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2
Q

what can you find in the anterior triangle of the neck?

A

carotid pulse, jugular vein, ansa cervicalis, many hyoid muscles

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3
Q

what are some structures you can find in posterior triangle?

A

lymphatics, trapezius, jugular

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4
Q

what structures can you find in the root section of the neck?

A

jugular notch
Supraclavicular notch
Clavicle

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5
Q

______ lymph nodes are lymph nodes in front of ear

A

Preauricular

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6
Q

what are the 3 different neck zones?

A

Zone 1: most inferior (clavicle → cricoid cartilage)
Zone 2: cricoid cartilage → angle of mandible
Zone 3: angle of mandible → base of skull

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7
Q

________ is fibrous connective tissue enveloping muscles, neurovascular bundles, viscera

A

Fascia:

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8
Q

_______ are potential spaces between fascia/viscera that exist pathologically

A

Fascial spaces

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9
Q

________ are deep to/attached to skin and don’t enclose muscles

A

Superficial layers

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10
Q

_______ surround muscle, bones, nerves vessels

A

Deep layers

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11
Q

the ______ is the only bone does not articulate with any other bone! But articulates with CT

A

Hyoid

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12
Q

______ are muscles located above the hyoid

A

Suprahyoids

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13
Q

what are the suprahyoid muscles?

A

Stylohyoid, digastric (ant, post belly), mylohyoid

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14
Q

_______ are the muscles below hyoid

A

Infrahyoids

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15
Q

what are the infrahyoid muscles?

A

omohyoid, thyrohyoid, sternohyoid, sternothyroid

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16
Q

Sternocleidomastoid
Origin:
Insertion:
Innervation:
Action:

A

O: manubrium, medial clavicle
Insertion: Mastoid process, superior nuchal line
Inn: CN XI
A: flex neck, elevate sternum, inhalation, rotate neck

17
Q

Stylohyoid
Origin:
Insertion:
Innervation:

A

O: styloid process
I: body of hyoid
Inn: CN VII

18
Q

Anterior Digastric
Origin:
Insertion:
Innervation:
Action:

A

O: fossa of mandible
I: body of hyoid
In: CNV3
A: depresses mandible, elevates hyoid

** part of digastric that is under jaw**

19
Q

Posterior Digastric
Origin:
Insertion:
Innervation:

A

O: temporal bone
I: body of hyoid
In: CN VII
A: depresses mandible, elevates hyoid

** part of digastric that is behind mandible **

20
Q

Mylohyoid
Origin:
Insertion:
Innervation:

A

O: mylohyoid line of mandible
I: body of hyoid
In: CN V3

21
Q

Geniohyoid
Origin:
Insertion:
Innervation:

A

O: genial tubercles of mandible
I: body of hyoid
In: C1 via CN XII

22
Q

Omohyoid
Origin:
Insertion:
Innervation:

A

O: scapula
I: hyoid
In: Ansa cervicalis

23
Q

Thyrohyoid
Origin:
Insertion:
Innervation:

A

O: thyroid cartilage
I: hyoid
In: C1 via CN XII

24
Q

Sternohyoid
Origin:
Insertion:
Innervation:

A

O: sternum
I: hyoid
In: ansa cervicalis

25
Q

Sternothyroid
Origin:
Insertion:
Innervation:

A

O: sternum
I: thyroid cartilage
In: ansa cervicalis

26
Q

what smaller triangles can the anterior cervical triangle be broken into?

A

Carotid triangle
Submental triangle
Submandibular triangle

27
Q

what muscles make up the carotid triangle?

A

Sternocleidomastoid
Omohyoid (sup. belly)
Digastric (post. belly)

28
Q

what is the carotid sheath made up of?

A

common carotid artery, internal jugular vein, vagus nerve

29
Q

The common carotid artery is always ______ while the jugular vein is always _____

A

medial, lateral

30
Q

what is the common carotid artery made up of? does it bifurcate?

A
  • carotid body + carotid sinus
    -yes, it bifurcates into internal and external carotid artery
31
Q

what cranial nerve runs along the carotid artery?

A

IX (glossopharyngeal)

32
Q

The carotid body has _______receptors and detects _____

A

chcemreceptors, partial pressure of O2, CO2, pH, rwmp

33
Q

carotid sinus has ____receptors that measure

A

baroreceptors, BP

34
Q

submandibular triangle consists of what things?

A

Submandibular gland
Facial v. and a.
Lymphatics
CN XII, nerve to mylohyoid, C1 via CXII

35
Q

The ______ is the hollow muscular organ forming an air passage to the lungs and holding the vocal cords in humans and other mammals; the voice box.

A

larynx

36
Q

what is the larynx surrounded by?

A

Superior thyroid a, external carotid a., common carotid a

37
Q

_____________ is a neural loop in the neck formed from C1, C2, C3

A

ansa cervicalis

38
Q

The ansa cervicalis lays on and supplies motor innervation to what three muscles?

A

Sternothyroid
Sternohyoid
Omohyoid

602 EX 2 (13 decks)

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