Superficial And Lateral Neck Flashcards

1
Q

Where do the facial, lingual and occipital arteries all branch off?

A

Level of the tip of the hyoid bone

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2
Q

Lateral neck layer 1

A

Platysma M.

External Jugular Vein

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3
Q

Lateral Neck Layer 2

A

Sternocleidomastoid M.

Spinal Accessory Nerve (XI)

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4
Q

Lateral neck layer 3

A
  • Ansa Cervicalis
  • superior and inferior roots
  • Superior and inferior omohyoid M.
  • Sternohyoid M.
  • Sternothyroid M.
  • thyrohyoid M.
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5
Q

What runs in the longitudinal vertical groove between the trachea and esophagus?

A

Recurrent laryngeal nerve

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6
Q

Where do all lymphnodes of the neck eventually go?

A

Deep cervical

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7
Q

Key Landmarks of the neck

A

Hyoid bone, 6th cervical vertebrae, anterior scalene muscle

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8
Q

Pre ganglionic parasympathetics that ultimately to the submandibular gland come from what?

A

Superior Salivatory nucleus

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9
Q

Postganglionic parasympathetics to the submandibular gland come from what?

A

Submandibular ganglion

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10
Q

Post ganglionic sympathetic fibers to the submandibular ganglion come from what and course through what to get there?

A

Superior cervical ganglion; external carotid and facial plexuses in the adventitia

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11
Q

The superior thyroid artery arises from what?

A

Common or external carotids

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12
Q

Inferior thyroid artery arises from what?

A

Thyrocervical trunk

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13
Q

The lowest thyroid artery arises from what?

A

Brachiocephalic, aorta, or left common carotid

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14
Q

Accidental removal of parathyroid glands during thyroidectomy may result in what?

A

Tetany and possibly ultimately death

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15
Q

What does the superior root of the ansa cervicalis give off?

A

hypoglossal nerve and nerve to thyrohyoid

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