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BDS2.5 Anatomy > Deep neck structures 2 > Flashcards

Deep neck structures 2 Flashcards

1
Q

Where does the cervical plexus lie?

A

Superficial to the scalenus medius

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2
Q

What covers the cervical plexus?

A

Sternocleidomasteoid

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3
Q

What does C1 innervate along with the hypoglossal n.?

A

Geniohyoid and thyrohyoid

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4
Q

What does the C1 give off?

A

Superior limb of Ansa cervicalis

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5
Q

What does the C2/C3 portion of the ansa cervicalis give rise to?

A

Transverse cervical nerve
Lesser occipital
Great uricular

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6
Q

What does the spinal accessory nerve join with?

A

Cranial accessory nerve

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7
Q

What is the posterior boundary of the root of the neck?

A

Body of T1

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8
Q

Where do the first 2 inter coastal eateries arise from?

A

Coatocervical trunk of the subclavian artery

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9
Q

Where does the vertebral artery enter after exiting the atlas?

A

The posterior atlantooccipital membrane

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10
Q

What are the 2 main divisions of the head?

A

Regional and terminal

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11
Q

What are the regional nodes?

A

Sunmental
Submandibular
Parotid
Posterior auricular

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12
Q

What does the submental node drain?

A

Tip of tongue
Chin
Lower lip

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13
Q

What does the parotid gland drain?

A

Scalp
Auricle
Lateral eyelids
Middle ear

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14
Q

Where do the deep cervical lymph nodes lie?

A

Beneath the SCM

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15
Q

What are the terminal nodes?

A

Deep cervical nodes

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16
Q

What are the 2 groups of terminal nodes (DCN)?

A

Superior DCN
jugulodigastric node

17
Q

What does the jugulodigastric drain from and to?

A

Drains tonsillar areas and tongue

Deinstalls to the inferior groups or directly to jugular trunks

18
Q

During tonsillitis, what node is enlarged?

A

Jugulodigastric

19
Q

What does the jugulo-omohyoid node drain?

A

Tongue

20
Q

What side does the thoracic trunk lie?

A

Left

21
Q

What drains the right side?

A

Bronchomediastinal trunk

22
Q

Where does the thoracic trunk drain into?

A

Jugular trunk

23
Q

Where does the bronchomediastinal trunk drain to?

A

Right subclavian vein

24
Q

What are the 3 regions of the cervical sympathetic trunk?

A

Superior
Middle
Inferior

25
Q

Where do the cervical sympathetic trunk receive fibres from?

A

From superior thoracic spinal nerves

26
Q

What do cervical sympathetic branches pass to the head along with?

A

Internal and external carotid arteries

27
Q

What does the sympathetic ganglia lie behind?

A

Carotid sheath

28
Q

Does the sympathetic trunk cause vaso-constriction or dilation?

A

Dilators

29
Q

What occurs if the sympathetic trunk is affected?

A

Pupillary constriction

Dies to paralysis of the dilator papillae muscle in the iris

30
Q

What is ptosis?

A

Lowering of the upper eyelid

31
Q

What causes sinking if the eye?

A

Paralysis of the orbitalis muscle

(Effected sympathetic trunk)

32
Q
A
33
Q
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Q
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Q
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Q
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37
Q
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BDS2.5 Anatomy (28 decks)

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