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Sectional Anatomy > Neck > Flashcards

Neck Flashcards

1
Q

What are the typical vertebra?

A

C3 - C6

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2
Q

What are the charecteristics of typical cervical vertebra?

A

-Large anterior vertebral body
-2 pedicles
-Bifid (two projections) spinous process
-2 transverse processes,
-2 inferior and superior articular processes

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3
Q

What does C1 articulate superioirly with? What is the joint called?

A

Articulates superiorly with the base of the skull (occipital bone) at the atlantooccipital joints.

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4
Q

Why is C1 atypical?

A

Lacks pedicles, laminae and spinous process

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5
Q

Where is the Facet for articulation with odontoid process of C2 located?

A

Located on the anterior arch of C1

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6
Q

What sits on top of the lateral masses of C1?

A

The superior articular processes

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7
Q

What do the transverse processes of the C vertebra contain?

A

Contain the transverse foramina

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8
Q

Which way does the odontoid process project?

A

Projects upwards from the superior surface into the anterior ring of the atlas

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9
Q

What structure is located lateral to the dens? What joint is formed at this location?

A

The superior articular processes of C2, at which the atlas articulates at the atlantoaxial joint

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10
Q

T/F

C7 is Atypical

A

True

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11
Q

What is the Largest and longest spinous process among cervical vertebrae?

A

C7

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12
Q

T/F

C7 has the largest bifid process.

A

False; no bifid process is located on the cervical vertebra of C7

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13
Q

What is the purpose of the pedicles?

A

Connects the transverse process to the rest of the anatomy

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14
Q

T/F

CSF in the brain is in the subarachnoid space and is continuous with the spinal cord

A

True

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15
Q

What shape is the Pharynx?

A

Funnel shaped

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16
Q

What is this describing?

Opening for both respiratory and digestive systems

A

Pharynx

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17
Q

Where does the Pharynx start and end? What does it continue as?

A

Extends from the base of the skull and ends inferiorly and continues as the esophagus

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18
Q

What part of the throat is this describing?

Opening into the nose and mouth

A

Pharynx

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19
Q

What are the 3 sections of the pharynx?

A

Nasopharynx
Oropharynx
Laryngopharynx

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20
Q

What is the most superior portion of the pharynx

A

Nasopharynx

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21
Q

T/F

The Nasopharynx is an extension of the nasal cavities

A

True

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22
Q

What are the 3 borders of the nasopharynx? Where are they located?

A

1.Clivus (superoposterior) (bony extension of the sphenoid bone)
2.Upper cervical spine (posteriorly)
3.Soft palate (inferiorly), extends down to the uvula

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23
Q

What tonsil/s are contained within the Nasopharynx? Where is/are they located?

A

Pharyngeal tonsils (adenoids) in roof of the nasopharynx

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24
Q

What does the lateral wall of the nasopharynx contain?

A

Lateral wall contains auditory tube (Eustachian tube)

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25
Q

What does the Eustachian tube connect the middle ear to?

A

connects the middle ear to the nasopharynx

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26
Q

What part of the pharynx is the Posterior extension of the oral cavity?

A

Oropharynx

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27
Q

Where does the Oropharynx extend to and from?

A

Extends from the soft palate to the hyoid bone (bony structure)

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28
Q

What tonsils are located within the Oropharynx? Where are these tonsils located?

A

-Palatine tonsils (lateral walls)
-Lingual tonsils (base of tongue)

Palate and liguinal tonsils=have to do with the mouth
Pharynxgo tonsils=have to do with the nasal cavity

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29
Q

What is this describing?

At the union of the base of the tongue and epiglottis are two pouch like openings

A

The vallecula

A lot of times when people swallow a fish bone-the main area you are looking at is the vallecula

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30
Q

Where does theLaryngopharynx Extend to and from?

A

Between the hyoid bone and the entrance to the larynx and esophagus.

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31
Q

What does the Laryngopharynx continue as? At what level?

A

Continues as the esophagus at the level of the cricoid cartilage.

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32
Q

T/F

The cricoid cartilage is located posteriorly and the thyroid cartilage is located anteriorly

A

True

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33
Q

How does the epiglottis appear on an axial image?

A

C shaped in an axial image

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34
Q

T/F

If we are at the level of the epiglottis, we will see the hyoid bone.

A

True

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35
Q

What is the Voice box?

A

The larynx

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36
Q

Where does the larynx begin?

A

Begins at the laryngopharynx

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37
Q

Where does the larynx continue to?

A

Continues to trachea

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38
Q

T/F

The larynx marks the beginning of the respiratory passage.

A

True

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39
Q

How many cartilages surround the larynx? What level do they extend to and from?

A

Consists of nine cartilages that extends from C3-C6

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40
Q

What is the largest cartilage in the throat?

A

Thyroid cartilage is the largest

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41
Q

Is this describing the larynx or the trachea?

Consists of right and left lamina that unite anteriorly

A

Larynx

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42
Q

What does the anterior union of the lamina of the larynx form?

A

A vertical projection called the laryngeal prominence (Adam’s apple)

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43
Q

What structure is located just above the laryngeal prominence?

A

An area where the lamina do not meet called the superior thyroid notch.

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44
Q

Where is the attachment of the epiglottis on the larynx?

A

On the posterior aspect of the larynx

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45
Q

How is the epiglottis is connected to the thyroid cartilage? How is it connected to the hyoid bone?

A

Connected by the hyroepiglottic ligament and to the hyoid bone by the hyoepiglottic ligament

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46
Q

When you are not swallowing, where does the epiglottis sit?

A

Sits in the oropharynx

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47
Q

Where does the Thyroid cartilage extend (vertebral level)

A

(C3-C6)

48
Q

How does the thyroid cartilage appear on an axial image?

A

-On axial image has an inverted V shape

49
Q

Where does the thyroid cartilage wrap around the pharynx?

A

-Wraps around the front of the pharynx

50
Q

Where is the Cricoid cartilage located?

A

Located at the level of C6.

51
Q

What is the Cricoid cartilage composed of?

A

Comprised of a posterior plate, called the lamina, and a narrow, anterior part, the arch.

52
Q

T/F

The inferior border of the cricoid cartilage Marks the end of the pharynx and larynx and hence, the commencement of the esophagus and trachea, respectively

A

True

53
Q

T/F

Thyroid cartilage is lower and cricoid is higher, which is why we don’t see them on the same slice

A

False; Thyroid cartilage is higher and cricoid is lower, which is why we don’t see them on the same slice

54
Q

Where is the Thyroid gland located?

A

Located at the level of the cricoid cartilage

55
Q

Is the Thyroid gland Bilobed or single lobed?

A

Bilobed

56
Q

Where does the Thyroid gland lobes join?

A

Joined anteriorly

57
Q

How does the Thyroid gland appear in an axial plane?

A

In the axial plane, the thyroid gland appears as a wedge-shaped structure, hugging the trachea

58
Q

T/F

The thyroid gland is located below the thyroid cartilage

A

True

59
Q

How could you identify the trachea compared to the larynx in an axial image?

Dont need to memorize, just understand

A

The trachea is much more circular and rounded looking than the larynx (trachea held open by the tracheal cartilage). It is trying to ensure that air is easily passing in both directions. Larynx does not have cartilage structure around it keeping it open.

60
Q

What do they main vessels of the neck include?

A

Carotid arteries
Vertebral arteries
Jugular veins

61
Q

What structure lies medial to the CCA?

A

The trachea

62
Q

Where does the Right CCA arise from?

A

The brachiocephalic trunk

63
Q

Where does the Left CCA arise from?

A

Directly from the aortic arch

64
Q

Where do the CCAs lie in relation to the internal jugular veins?

A

Lies medial to the internal jugular veins

65
Q

Where does the right CCA come off of?

A

Right one comes off the BCT

66
Q

What do the Carotid arteries bifurcate into? At what level?

A

They bifurcate into internal and external CCAs at approximately C4 (lower border of C3)

67
Q

What is the dilation at the base of the internal carotid artery called?

A

The carotid sinus.

68
Q

What do the carotid sinuses contain?

A

Baroreceptors that react to changes in arterial blood pressure.

69
Q

T/F

The external carotid arteries are on the inside and the internal carotid arteries are on the outside only at the beginning of the bifurcation. As they move towards the face and the head, they live up to their name

A

True

70
Q

What is the carotid sheath?

A

An anatomical term for the fibrous connective tissue that surrounds the vascular compartment of the neck.

71
Q

T/F

When we are looking at the internal jug and CC, it is surrounded by the carotid sheath

A

True

72
Q

What are the four major structures contained in the carotid sheath?

A
  1. Common carotid artery
  2. Parts of the internal carotid artery and the external carotid artery.
  3. nternal jugular vein
  4. Vagus nerve.
73
Q

At its lower level, where is the external carotid artery located in relation to the internal carotid artery?

A

Anterior and slightly medial to the ICA

74
Q

At its higher level, where is the external carotid artery located in relation to the internal carotid artery?

A

Moves lateral to the ICA at its higher level.

75
Q

T/F

Internal carotid artery is more posterior to the external carotid artery at the lower level

A

True

76
Q

What comes off the aortic arch?

A

The BCT and LCCA and LSA

77
Q

At the bifurcation of the common carotid, where is the external carotid artery located? Anterior or posterior?

A

Located anterior

78
Q

T/F

The ICA enters the skull, ECA feeds blood to the outside of the skull

A

True

79
Q

What two structures are located laterally to the internal carotid artery within the carotid sheath?

A

-internal jugular vein
-Vagus nerve (X cranial nerve).

80
Q

What do the vertebral arteries begin as?

A

Begin as a branch of the subclavian arteries

81
Q

Where do the vertebral arteries ascend through?

A

Ascend the neck through the transverse foramina of C6-C1.

82
Q

What do the vertebral arteries enter before just prior to their union?

A

The arteries enter the foramen magnum

83
Q

What do the vertebral arteries join to form?

A

Join to form the basilar artery.

84
Q

What are the 3 veins of the neck that return blood from the head and face?

A

External jugular veins
Internal jugular veins
Vertebral veins

85
Q

Where does the External jugular vein lie on the neck?

A

Lies superficially in the neck, on the lateral surface of the sternocleidomastoid muscle (SCM).

86
Q

At what level does the External jugular vein originate?

A

Originates at the level of the angle of the mandible.

87
Q

T/F

The internal jugular vein runs perpendicularly down the neck, in the direction of a line drawn from the angle of the mandible to the middle of the clavicle at the posterior border of the sternocleidomastoid muscle.

A

False; The External jugular vein runs perpendicularly down the neck, in the direction of a line drawn from the angle of the mandible to the middle of the clavicle at the posterior border of the sternocleidomastoid muscle.

88
Q

What does the External jugular vein drain blood from? Where does it drain into?

A

Drains blood from the scalp and face into the subclavian vein.

89
Q

T/F

The Internal jugular Runs down the side of the neck in the carotid sheath

A

True

90
Q

Where is the Internal jugular vein located in relation to the internal carotid artery and the common carotid artery?

A

Posterior to the internal carotid artery (above C4), and then lateral to the common carotid (below C3).

91
Q

What does the internal jugular unite with? At what location?

A

Unites with the subclavian vein at the root of the neck.

92
Q

What does the internal jugular drain blood from?

A

Drains blood from the brain, superficial face and neck

93
Q

T/F

The sternoclenomastoid lies between the internal and external jugular veins

A

True

94
Q

What are the origins of the sternocleidomastoid

A

1.Anterior surface of the manubrium.
2.The upper surface of the clavicular head

95
Q

What is the insertion of the SCM?

A

The 2 heads merge to insert onto the lateral surface of the mastoid process of the temporal bone

96
Q

The SCM divides the neck into what?

A

Anterior and posterior triangles.

97
Q

What is located on the superficial surface of the SCM?

A

On its superficial surface lies the external jugular vein.

98
Q

What structures are located medially to the SCM?

A
  1. The great vessels of the neck
  2. the vagus nerve, within the carotid sheath
  3. the deep cervical chain of lymph nodes.
99
Q

T/F

As you go more inferiorly the internal jugular vein will move more anterior

A

True

100
Q

T/F

Just lateral to the trachea you will find the common carotid arteries

A

True

101
Q

Where do the vertebral veins arise from?

A

Arises from the venous plexuses around the foramen magnum and in the sub-occipital region.

102
Q

Where do the vertebral veins travel in relation to the vertebral artery?

A

Travels inferiorly and lateral to the vertebral artery

103
Q

What structure do the vertebral veins pass through?

A

Pass through the transverse foramina of the upper six cervical vertebrae

104
Q

What do the vertebral veins empty into?

A

Empties into the brachiocephalic vein.

105
Q

What is the fan-shaped tongue muscle that forms most of the tongue?

A

The Genioglossus Muscle

106
Q

Where does the Genioglossus Muscle arise from? Where does it insert?

A

Arises from the mental spine of the mandible and its insertions are the hyoid bone and the bottom of the tongue.

107
Q

What is the most superficial muscle found in the anterior portion of the neck?

A

Platysma

108
Q

What muscle overlaps the sternocleidomastoid muscle?

A

Platysma

109
Q

What does the Platysma arise from? What does it cover?

A

Arises from the fascia covering the upper parts of the pectoralis major and deltoid.

110
Q

T/F

The fibers of the Platysma cross the clavicle

A

True

111
Q

Where does the platysma insert?

A

Inserts into the mandible.

112
Q

T/F

The Trapezius is a deep muscle

A

False; Superficial muscle

113
Q

In what triangle of the neck is the Trapezius located in?

A

The posterior triangle.

114
Q

Where does the Trapezius originate from?

A

Originates from the occipital bone & spinous process of C7-T12

115
Q

Where does the Trapezius insert?

A

On the clavicle, acromion and spine of the scapula.

116
Q

T/F

When we see the upper cervical vertebra we will see the nasopharynx

A

True

Sectional Anatomy (19 decks)

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