Exam 1 Relationships Flashcards

1
Q

The hyoid bone has no Bony articulations and is stabilized by:

A

Via suprohyoid and infra hyoid muscles

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2
Q

Carotid bodes can be found and contain:

A

Where the common carotid bifurcates (C3) and contain chemoreceptors; Chemoreceptors responds to changes in oxygen tension

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3
Q

Where is the carotid sinus found?

A

Base of int. carotid artery. Contains baroreceptors which sense pressure changes (BP response)

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4
Q

External carotid is:

A

More anterior than int. carotid and is outside SCM (Internal is directly under).

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5
Q

Superior thyroid artery parallels:

A

External laryngeal Nerve

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6
Q

Superior laryngeal artery parallels:

A

Internal laryngeal nerve; run in thyrohyoid membrane (pierces)

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7
Q

Compared to the post. Digastric and hyoglossus muscle the Lingual artery is:

A

Deep

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8
Q

What never travels with the lingual N?

A

Lingual artery

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9
Q

The facial artery is deep to the:

A

Post. digastric and stylohyoid

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10
Q

The submittal artery lies on:

A

The mylohyoid, and parallels here to mylohyoid nerve (Branch V3)

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11
Q

The facial artery parallels:

A

The facial vein. But the vein is more superficial (over submandibular gland)

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12
Q

The ascending pharyngeal artery comes off at:

A

C3 bifurcation. Lies deep to external carotid

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13
Q

Where does the occipital artery travel to?

A

Posterior Skull. (Hypoglossal nerve crosses occipital and lies on lingual artery.)

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14
Q

The hypoglossal turns anterior at:

A

the Occipital artery. It goes under the stylohyoid and posterior belly of digastric, lies on hyoglossus, passes deep to mylohyoid

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15
Q

The carotid sheath contains:

A

Investing fascia around the common carotid artery (which splits into external and internal), Internal carotid, Jugular vein, CN X (vagus) and lymph nodes

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16
Q

Does the internal jugular vein have a bifurcation?

A

No.

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17
Q

What makes up the retromandibular vein

A

Superficial temporal and maxillary vein

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18
Q

Describe the pathway of veins leading to the internal jugular

A

Anterior retromandibular + facial leads to the common facial which leads to the internal jugular

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19
Q

Posterior retromandibular and the posterior auricular vein make up the

A

External jugular

20
Q

Where does the Accessory Cranial Nerve exit?

A

CN XI exits the jugular foramen with the internal jugular, IX, and X

21
Q

The carotid is mostly covered by the:

A

SCM

22
Q

What two muscles the the Accessory Nerve innervate?

A

SCM and Trapezius

23
Q

The Ansa Cervicalis is anterior to:

A

Internal jugular vein (Lying on top of internal jugular vein)

24
Q

Superior root of Ansa cervicalis is:

A

Superior root = C1 ( Thyrohyoid, geniohyoid)

25
Q

Inferior root of Ansa Cervicalis is:

A

C2 and C3: Innervates Strap Muscles (Sternohyoid, Sternothyroid, Omohyoid, thyrohyoid)

26
Q

Stylohyoid muscle parallels the:

A

Posterior digastric, and lies anterior

27
Q

What wraps around the digastric tendon and inserts into the hyoid?

A

Stylohyoid muscle

28
Q

The submandibular gland has two parts, Superficial and deep. Which part is above the Mylohyoid?

A

Deep

29
Q

The Hypoglossal N. XII can be found in which triangle?

A

The Carotid triangle. Turns and goes under posterior digastric and lies on top of hyoglossus. Then goes under mylohyoid

30
Q

Which nerve comes out from under the mandible, crosses submandibular triangle and lies on top of Mylohyoid; and parallels the submandibular artery?

A

The mylohyoid Nerve (Branch of V3)

31
Q

What emerges between the anterior and middle scalene?

A

The Brachial plexus and subclavian artery (3rd part). Subclavian artery is deep to brachial plexes

32
Q

What lies on top of the anterior scalene?

A

The Phrenic C3-C5, passes down and lies on top of the anterior scalene

33
Q

What emerges through the middle scalene?

A

The dorsal scapular nerve C5, Long thoracic nerve, C5-C7

34
Q

The dorsal scapular will emerge superior to the:

A

Suprascapular N.

35
Q

Cutaneous branches of cervical plexus emerge from:

A

Posterior SCM

36
Q

What triangle is the Ansa Cervicalis in?

A

Carotid Traingle

37
Q

The Lesser occipital C2 (Part of sensory to cervical plexus) parallels:

A

Posterior border of SCM

38
Q

The Great auricular C2, C3 (Part of sensory to cervical plexus) emerges from:

A

Behind the SCM

39
Q

Transverse cervical C2 C3 (Part of sensory to cervical plexus) crosses:

A

The SCM; provides sensory skin over anterior triangle

40
Q

Supraclavicular C3, C4 (Part of sensory to cervical plexus) supplies:

A

Upper chest and shoulder

41
Q

What is the Motor of the Cervical Plexus C1-C3:

A
Ansa Cervicali
Superior root
Anterior C1 (Catches a ride with hypoglossal n)
Inferior root
Posterior, C2-3
42
Q

What are the Arteries of the Posterior Triangle?

A
  • Subclavian: Emerges between anterior and middle scalenes
  • Occipital: Branch of external carotid
  • Transverse cervical: Superior and parallel to clavicle off of thyrocervical trunk
  • Suprascapular: Posterior and parallel to Clavicle comes off of thyrocervical trunk
  • Dorsal Scapular: Branch of transverse cervical, parallels after branches. Rises from subclavian artery
43
Q

External jugular Vein:

A

Comes out of parotid gland and crosses SCM; dumps into subclavian Vein with great auricular on top of SCM

44
Q

Greater horn of hyoid:

A

Hyoglossus, Middle constrictor PA3

45
Q

Lesser horn of Hyoid:

A

Stylohyoid ligament PA2

46
Q

Posterior triangle veins that don’t parallel their artery:

A

Transverse cervical vein
Occipital vein
External vein
Suprascapular vein