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Head and Neck Review by Minnie > Lab 3 - Neck > Flashcards

Lab 3 - Neck Flashcards

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1
Q

Which nerve is labeled by #11?

A

Muscular branch of ansa cervicalis (#9)

Innervates sternohyoid, sternothyroid, and omohyoid muscles

(Note - ansa cervicalis is formed from ventral rami of C1 C2 C3)

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2
Q

Which vessel is labeled by #8?

A

Common carotid artery

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3
Q
  • What are the boundaries of the carotid triangle of the neck?
A
  • Anterior border of the sternocleidomastoid
  • Posterior belly of the digastric
  • Superior belly of the omohyoid
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4
Q

Which nerve is labeled by #1?

A

Lesser occipital nerve

innervates the skin of the neck and scalp posterior and superior to the auricle

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5
Q

Which vessels are labeled by #6?

A

Superficial cervical artery and vein

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6
Q

Which structure is labeled by #4?

A

External jugular vein

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7
Q

Which vessel is labeled by #9?

A

Right subclavian vein

Drains the superficial cervical (left) and external jugular (right) veins

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8
Q

Which number labels the brachial plexus?

The brachial plexus may be compressed between which two muscles in the lateral neck?

A

Brachial plexus = 11

May be compressed between the anterior scalene (10) and the middle scalene (4)

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9
Q

Which structure is labled by G?

A

Esophagus

(Remember that this is compressed unless we are swallowing!)

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10
Q

Which structure is labled by E?

A

Infrahyoid strap muscles

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11
Q

Which bone is labled by A?

A

Frontal bone

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12
Q

Which structure is labeled by #19?

A

Intermediat tendon of the digastric

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13
Q

Which muscle is labeled by #13?

A

Sternothyroid

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14
Q

Which nerve is indicated by the X?

What does it innervate?

A

Mylohyoid nerve

Motor to the muscles under the mandible

(A branch of the inferior alveolar nerve, which is a branch of V3)

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15
Q

Which nerve is labeled by #5?

A

Vagus (CN X)

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16
Q

What are the boundaries of the muscular triangle of the neck?

A
  • Superior belly of the omohyoid
  • Anterior border of the sternocleudomastoid
  • Midline of the neck

(Strap muscles are inside of the muscular triangle)

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17
Q

Which muscle is labeled by #14?

A

Thyrohyoid

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18
Q

Which vessel is labeled by #22?

A

Facial artery

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19
Q

Which vessel is labeled by #3?

A

Occipital artery

(Branch of the external carotid)

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20
Q

Which structure is labeled by #7?

What innervates it?

A

Platysma

CN VII - the facial nerve

(The platysma is a muscle of facial expression)

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21
Q

What are the boundaries of the submandibular triangle of the neck?

A
  • Inferior border of the mandible
  • Anterior and posterior bellies of the digastric
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22
Q

Which bone is labled by E?

A

Parietal

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23
Q

Which muscle is labeled by #12?

A

Sternocleidomastoid

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24
Q

Which muscle is labeled by #10?

A

Anterior belly of omohyoid

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25
Which nerve is labeled by #2?
Greater auricular nerve
26
Which muscle is labeled by #10?
Sternocleidomastoid
27
Which nerve is labeled by #4?
Supraclavicular nerve
28
Which muscle is indicated by the X?
Sternothyroid Deep to the sternohyoid
29
Which vessel is labeled by #21?
Lingual artery
30
Which structure is labeled by #20?
Submandibular salivary gland
31
Which muscle is labeled by #7?
Omohyoid (inferior belly)
32
Which nerve is labeled by #1?
Vagus nerve
33
Which bone is labled by **C?**
Mandible
34
Which bone is labled by **D?**
Occipital
35
What structure is labeled by #9?
Prevertebral fascia
36
Which structure is labeled by #6?
Anterior jugular vein
37
Which muscle is labeled by #10?
Anterior scalene
38
Which muscle is labeled by #5?
Trapezius
39
Which structure is labled by **D?**
Trachea
40
Which nerveis labeled by #18?
Hypoglossal nerve (CN XII) | (Also #2 in this image)
41
Which structure is labled by **B?**
Common carotid artery | (Has not split yet)
42
Which nerve runs inside of the carotid sheath?
Vagus nerve
43
Which nerves in this image are part of the cervical plexus?
* 1 - Lesser occipital * 2 - Greater auricular * 4 - Supraclavicular * 8 - Transverse cervical (Honestly though if they give us this question with the nerves cut like this I'm just taking the L)
44
Which nerve is labeled by #6?
Brachial plexus
45
Which nerve is labeled by #9?
Ansa cervicalis (#11 is the muscular branch of the ansa cervicalis which innervates sternohyoid, sternothyroid, and omohyoid muscles)
46
Which layre of fascia is labeled by #3?
Deep fascia
47
Which muscle is labeled by #6?
Posterior scalene
48
If you can see the turbinates in a saggital non-contrast CT, you are **_[medial/lateral]_** to the maxillary sinuses
Medial The maxillary sinuses and the turbinates are at the same level in the head; the maxiallary sinuses are lateral and the turbinates are medial (This image is a slice that is medial to the maxillary sinuses)
49
Which muscle is labeled by #1?
Splenius captis
50
Which muscle is labeled by #7?
Sternocleidomastoid
51
Which muscle is labeled by #3?
Levator scapulae
52
Which nerve structure is labeled by #11?
Brachial plexus
53
Which vessel is labeled by #15?
Superior thyroid artery (The first branch of the external carotid artery)
54
Which nerve is labeled by #3?
Spinal accessory nerve (CN XII)
55
Which structure is labled by **F?**
Sternocleidomastoid muscle
56
Which muscle is labeled by #4?
Middle scalene
57
Which structure is labeled by #16?
Hyoid bone
58
Which structure is labled by **A?**
Internal jugular vein
59
Which nerve is labeled by #6?
Superior root of the ansa cervicalis (Aka descendens hypoglossus) * Travels with the hypoglossal nerve (CN XII) - #2 in this image * Gives rise to ansa cervicalis (#9, muscular branch #11), the nerve that innervates the strap muscles
60
Which bone is labled by **B?**
Maxilla
61
Which muscle is labeled by #4?
Internal jugular vein
62
Which structure is labled by **C?**
Thyroid gland
63
Which nerve is labeled by #2?
Hypoglossal (CN XII) Note - CN XII crosses the externa and internal carotid arteries in the carotid triangle (CN XII is also #18 in this image)
64
Which vessels are labeled by #5? Which muscle is going in between them?
Subclavian vein and artery Anterior scalene (Note - the subclavian artery may be compressed between the middle and anterior scalene mucles, but the subclavian vein will not be)
65
Which nerve is labeled by #3?
Recurrent laryngeal nerve branch of CN 10 Innervates all intrinsic muscles of the larynx except cricothyroid which is innervated by the superior laryngeal
66
Which vessel is labeled by #23?
External carotid artery
67
Which muscle is labeled by #17?
Stylohyoid
68
Which bone is labled by **F?**
Sphenoid
69
Which nerve is labeled by #2?
CN XI (Spinal accessory)
70
Which nerve is indicated by the X? What does it innervate?
Ansa cervicalis Part of the cervical plexus Motor to the infrahyoid strap muscles
71
Which layer of fascia is labeled by #5? What does it contain?
Pretracheal fascia * Trachea * Infrahyoid muscles * Thyroid gland * Esophagus
72
What are the boundaries of the anterior triangle in the neck?
* Anterior border of the sternocleidomasstoid * Inferior border of the mandible * Midline of the neck
73
Which structure is labeled by #12?
Thyroid gland
74
Which vessel is labeled by #24?
Internal carotid artery
75
Which vessel is labeled by #11?
External jugular vein
76
Which muscle is labeled by #5?
Trapezius
77
Which muscle is labeled by #1?
Posterior belly of the digastric
78
Which structure is labeled by #4?
Thoracic duct
79
Which structure is labeled by #2?
Parotid gland
80
Which nerve is labeled by #7?
Phrenic nerve
81
Which muscle is labeled by #8?
Inferior belly of the omohyoid
82
Which nerve is labeled by #13?
Phrenic nerve
83
Which nerve is labeled by #8?
Transverse cervical nerve
84
What are the boundaries of the submental triangle of the neck?
* Anterior belly of both digastric muscles * Hyoid bone Note - this is the only unpaired triangle

Head and Neck Review by Minnie (8 decks)

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