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Head and Neck Anatomy > Exam 3 > Flashcards

Exam 3 Flashcards

1
Q

Innervation of platysma

A

cervical branch of CN VII

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2
Q

Innervation of sternocleidomastoid

A

CN XI (spinal accessory)

C2 and C3 for pain and proprioception

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3
Q

Innervation of trapezius

A

CN XI (spinal accessory)

C2 and C3 for pain and proprioception

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4
Q

The hypoglossal nerve hitches a ride on what cervical nerve? What cervical levels does it come from?

A

Ansa cervicalis which comes from CN2 and CN3

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5
Q

The ansa cervicalis provides what kind of innervation to what structures?

A

Motor innervation to all of the _____hyoid muscles + the sternothyroid muscle. Geniohyoid, thyrohyoid, sternohyoid, anterior omohyoid, sternothyroid.

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6
Q

What four sensory nerves come from the cervical plexus?

A
  • transverse cervical n
  • supraclavicular n
  • lesser occipital n
  • great auricular n
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7
Q

What two cranial nerves intermix with nerves of the cervical plexus?

A
  • hypoglossal n

- spinal accessory

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8
Q

What motor nerve comes from the levels 3, 4, and 5 of the cervical plexus?

A

Phrenic n. 3, 4, 5 keeps the diaphragm alive

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9
Q

Name the cartilage that moves vocal chords

A

arytenoid cartilage

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10
Q

cartilage associate with 1st branchial arch

A

Meckel’s Cartilage

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11
Q

What branchial arch is associated with the tensor vali palatini?

A

Arch 1

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12
Q

What is the fascia associated with the thyroid gland

A

Pretracheal

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13
Q

The trapezius is innervated by what cranial nerve?

A

CN XI (spinal accessory)

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14
Q

What branchial arch is associated with the orbicularis oris?

A

Arch 2

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15
Q

What joint is associated with the motion of NO

A

atlanto-axial joint

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16
Q

The palatopharyngeal muscle is innervated by with cranial nerve

A

CN 10 (vagus)

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17
Q

The frontalis is innervated by which nerve?

A

Temporal branch of CN VII

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18
Q

If I stick a pin through your medial zygoma, which nerve will be stimulated?

A

zygomatic branch of CN V

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19
Q

If I insert a needle 1 inch below the the angel of your mandible, which nerve will be stimulated?

A

Glossopharyngeal CN IX

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20
Q

Which cranial nerve innervates the stapedius muscle?

A

CN VII

21
Q

Which structures pass through the orbital fissure?

A

ophthalmic nerve, CN 3, 4, 6

22
Q

Which branchial arch is associated with cranial nerve 7?

A

Arch 2

23
Q

Which muscle is located within the vocal fold?

A

vocalis

24
Q

Which structure contains the greatest flow of lymph fluid?

A

thoracic trunk

25
Q

If a pt presents with an infection on the tip of their tongue, which lymph nodes will the infection drain to?

A

submental lymph nodes

26
Q

Which fascia is around the trapezius, sternocleidomastoid, parotid, and submandibular gland?

A

Investing fascia

27
Q

Which branchial pouch does the superior parathyroid gland come from?

A

4th pouch

28
Q

Taste innervation to the tongue posterior to the terminal sulcus is done by which cn?

A

CN IX (glossopharyngeal)

29
Q

sternohyoid innervation is done by which nerve?

A

ansa cervicalis

30
Q

the external jugular vein is formed by which two veins?

A

retromandibular and posterior auricular veins

31
Q

What structure transverses the foramen transversarium?

A

vertebral artery

32
Q

Which is the only laryngeal muscle not to be innervated by the recurrent laryngeal nerve?

A

cricothyroid muscle

33
Q

which cranial nerve innervates the mylohyoid muscle?

A

CN V

34
Q

Which nerve innervates the mentalis muscle?

A

mandibular branch of CN VII

35
Q

A pt is in need of an emergency airway. Where is it placed?

A

between the cricoid and tracheal cartilage

36
Q

Which muscle abducts the true vocal chords

A

posterior cricoarytenoid

37
Q

The lingual artery is a branch of what vessel?

A

external carotid

38
Q

A pt presents with pain in their third molar area. They have a mass that is 1-2 cm in size, fixed and has multiple locations. What should be your concern?

A

cancer that has metastasized

39
Q

Which ganglion is associated with the parotid gland?

A

otic ganglion

40
Q

Which nerve innervates the palatoglossus muscle?

A

CN X (vagus)

41
Q

The lateral rectus muscle is innervated by which nerve?

A

abducent nerve

42
Q

The larynx is innervated by which nerve?

A

CN X (vagus)

43
Q

Which is the worst prognosis?

A

bilateral cancerous lymph nodes

44
Q

The crocoid cartilage is formed by which branchial arch?

A

4th arch

45
Q

The superior pharyngeal constrictor is innervated by which nerve?

A

CN X

46
Q

Where is the preganglionic cell body that leads to production of tears?

A

Superior salivatory nucleus

47
Q

What function does the parathyroid gland do?

A

regulates clacium

48
Q

The superior oblique muscle is innervated by which nerve?

A

Trochlear nerve

Head and Neck Anatomy (4 decks)

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