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T2 Anatomy Lab > Cervical And Facial Muscles/Nerve Innervations > Flashcards

Cervical And Facial Muscles/Nerve Innervations Flashcards

1
Q

Platysma
N:

A

CN 7

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2
Q

Sternocleidomastoid (SCM)

N:

A

Accessory (CN11)

And

Trapezius (C3, 4 supplies sensory to traps)

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3
Q

Cervical plexus is made up of

A

C1-C4

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4
Q

NERVES TO KNOW
Supraclavicular
Transverse cervical
Great auricular

A
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5
Q

4 suprahyoid muscles
4 infrahoid muscles

What vertebral level are the hyoid muscles found at?

A

Supra…
Digrastric (anterior and posterior)
Geniohyoid
Stylohyoid
Mylohyoid

Infra…
Sternohyoid
Sternothyroid
Omohyoid (omo=shoulder; has superior and inferior belly)
Thyrohyoid

C3

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6
Q

N: of anterior and posterior bellies of the diagastric muscle

A

Anterior Belly - Trigeminal nerve (CN 5)

Posterior Belly - Facial nerve (CN 7)

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7
Q

Brachiocephalic truck is on what side and branches into what other artery’s?

A

Right side

Subclavian artery and common carotid artery

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8
Q

Common carotid artery bifurcates into ?

A

External carotid artery

Internal carotid artery *starts lateral and goes medial (one of two major blood supplies to the brain = supplies 80% of blood to brain. Vertebral artery supplies 20%)
They form astemossis

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9
Q

Common carotid artery travels with what?

A

Internal jugular Vien

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10
Q

The thyroid gland gets blood supply from what artery?

A

Superior thyroid artery

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11
Q

Lingual artery innervates?

A

Tongue

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12
Q

Name the branches off of the external carotid artery.

“Some Angry Lady Figured Out PMS”

A

Superior thyroid a
Ascending pharyngeal a
Lingual a
Facial a
Occipital a
Posterior auricular a
Superficial temporal a
Maxillary a

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13
Q

Subclavian artery has what branches coming off?

“Vivid Images That Capture Detail”

A

Vertebral a (crosses in front of C6 TP = typically enters the transverse foreamen of C1-C6)

Internal thoracic a (run along internal portion of thorax) supplies ribs and intercostal muscles

Thyrocervical trunk (transverse cervical,)

Costocervical trunk (runs by Ant. Scalene)

Dorsal scapular a (meets with dorsal scapular n.)

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14
Q

Longus colli (deep neck flexor)

A
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15
Q

R CCA arises deep to _____________ junction from __________ _______, L CCA (longer) arises from _______ of ______ between BCT and L SCA.

A

R CCA arises deep to sternoclavicular jt from
brachiocephalic trunk, L CCA (longer) arises from arch of aorta b/w BCT and L SCA

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16
Q

Both L and R CCA ascend in _______ ______. The carotid sheath is composed of what vessels?

A

Carotid sheath

CCA, internal jugular v, vagus n.

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17
Q

CCA passes in front of the ________ _______ (anterior TP of C6) where it can become compressed

A

Carotid tubercle

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18
Q

Branches arise in the following order from external carotid artery (ECA)

Which branches are terminal branches?

A
  • Superior thyroid a
  • Ascending pharyngeal a
  • Lingual a
  • Facial a
  • Occipital a
  • Posterior articular a
  • Superficial temporal a (terminal br)
  • Maxillary a (terminal br)
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19
Q

ECA begins at what vertebral level

A

C3/4

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20
Q

What branch of ECA is smallest ?

A

Ascending pharyngeal a

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21
Q

Superior thyroid a gives off what branches?

A
  • Anterior thyroid
  • Posterior thyroid
  • Infrahyoid
  • SCM
  • Superior laryngeal
  • Cricothroid aa
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22
Q

Ascending pharyngeal a gives off what branches? (5)

“Pandas Prefer Playing In Mud.”

**= Remember this one if any

A
  • Pharyngeal
  • Palatine
  • Prevertebral
  • Inferior tympanic
  • Meningeal **
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23
Q

Lingual a gives off what branches? (4)

“Super Dorky Snakes Dance”

A
  • Suprahyoid
  • Dorsal Lingual aa
  • Subligual
  • Deep lingual
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24
Q

Sublingual a is a branch from ________ a., and lingual is a branches from _______ a.

A

Lingual

ECA

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25
Q

Name the branches of the facial a.

Cervical branches (5)

“Aunt Tina Grew Sweet Mangoes.”

**Important to remember if any

Facial branches (5)

“I Stole Llamas At Midnight.”

A

CB -
- Ascending palatine
- Tonsillar **
- Glandular
- Submental **
- Muscular

FB -
- Inferior labial **
- Superior labial **
- Lateral nasal **
- Angular **
- Muscular brm

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26
Q

The facial a branches from the _______ _____ _____.

A

ECA

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27
Q

The superior labial, inferior labial, lateral nasal, and angular a are a branches from what artery ?

A

Facial

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28
Q

The tonsillar a., submental a., and glandular a., are a branches from what major artery?

This artery branches from what larger a.?

A

Facial

External carotid artery

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29
Q

Name the branches of the occipital a. (6)

“My Sister Ate My Taco Dinner”

**= important remember if any

A
  • Muscular
  • SCM
  • Auricular
  • Meningeal
  • Terminal
  • Descending br **- runs caudal in
    posterior neck; important in
    collateral circulation in the event of
    occlusion of the common carotid or
    subclavian aa by anastomosing with:
    Vertebral a; costocervical trunk; thyrocervical trunk
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30
Q

The descending branch of occipital a shares an anastomosing with?

A

Vertebral a
Costocervical trunk
Thyrocervical trunk

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31
Q

The posterior auricular a branches (4)

“My Sister At Onions”

A
  • Muscular and glandular
  • Stylomostoid
  • Auricular

-Occipital

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32
Q

T or F

Superficial temporal a is a continuous branch of ECA

A

F!

It is the terminal branch of ECA

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33
Q

Name the two terminal branches of the ECA

A

Maxillary a

Superficial temporal a

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34
Q

Name the branches of the superficial temporal a. (6)

“The Mighty Zebra Ate Fresh Pineapples.”

**= important to remember if any

A
  • Transverse facial **
  • Middle temporal
  • Zygomaticofacial oculi
  • Anterior auricular
  • Frontal branch
  • Patrietal
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35
Q

Name the portions of the maxillary a. (3 portions) and their branches.

**might be more important

A
  • Mandibular portion (5)

• Deep auricular a —> skin of external meatus
• Anterior tympanic —> TM
• Inferior alveolar a —> enters mandibular canal to
supply teeth in mandible; mental and incisor br **
• Middle meningeal —> dura (via foramen spinosum) **
• Accessory meningeal —> dura (via foramen ovale

  • Pterygoid portion (4)

• Deep temporal —> temporalis
• Pterygoid br—> pterygoid mm
• Masseteric a—> masseter
• Buccal a—> buccinators m

  • Pterygopalatine portion (7)
    • Posterior superior alveolar —> molars, premolars
    of maxilla, gums, maxillary sinus **
    • Infraorbital —> infraorbital area & mm (via
    infraorbital foramen) **
    • Greater palatine —> roof of mouth (via greater
    palatine foramen) **
    • Lesser palatine —> soft palate & palatine tonsils
    (via lesser palatine foramen) **
    • A. of pterygoid canal —> pharynx, auditory tube,
    sphenoid sinus, tympanic cavity
    • Pharyngeal —> auditory tube, pharynx, sphenoid
    sinus
    • Sphenopalatine —> paranasal sinuses and nasal
    septum (via sphenopalatine foramen)
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36
Q

ICA supplies ___% of the cerebral hemisphere

A

80

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37
Q

What are the 4 portions of the ICA. What branches are within these portions?

A

Cervical portions - Carotid sinus (w/ carotid body)

Petrous portion (bound by bone) - a. Of pterygoid canal; caroticotympanic aa.

Cavernous portion - Cavernous branch;
hypophyseal branch; meningeal branch (cavernous branch from meningeal branch)
*meningeal (another name for pituitary gland)

Cerebral portion - Ophthalmic a.

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38
Q

At origin, carotid sinus functions to regulate systemic ______ _______

A

BP

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39
Q

The carotid body is sensitive to _____ and _______ _______ concentrations

A

Oxygen and carbon dioxide

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40
Q

Opthalmic artery branches from what major artery? Explain its orientation and branches from the opthalmic artery

A

ICA

*enters the orbit by passing
through optic foramen below optic nerve within
nerve’s dural-arachnoid sheath, then comes to lay
between optic nerve and lateral rectus m

Branches:
1. Central artery of retina: passes within center of optic nerve to retina
2. Lacrimal artery: la
3. Supraorbitial, supratrochlear, dorsal nasal palpebral aa
4. Ciliary arteries

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41
Q

The ICA cerebral portion begins as ICA pierces inner layer of dura just
medial to anterior clinoid process between
oculomotor and optic nerves as it passes
posteriorly to divide into terminal branches:
_________ and ______ _______ ________

A

anterior and middle cerebral arteries

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42
Q

Middle cerebral an and anterior cerebral a branch from where and what are their orientations?

A

ICA

  • Middle cerebral a: largest branch (and a
    terminal branch). Runs in lateral cerebral
    fissure, forms anastomoses with anterior
    and posterior cerebral aa  lateral surface
    of temporal, frontal and parietal lobes
    • Anterior cerebral a: smaller of 2 terminal
    branches. Communicates with contralateral
    a. via anterior communicating a.
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43
Q
A

.

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44
Q

What are the carotid triangle boundaries?

A

carotid triangle boundaries=
anteroinferiorly by superior belly of omohyoid,
anterosuperiorly by
posterior belly of digastric & stylohyoid, posteriorly by SCM….. the anterior aspect of the sternocleidomastoid, the superior belly of the omohyoid, and the posterior belly of the digastric and stylohyoid muscles.

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45
Q

T or F

Vagus n (C1, 2) is parasympathetic

A

T

Joins vagus at inferior ganglion of vagus

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46
Q

ECA is usually __________ at first then lateral to ICA higher in neck, while ______ ______ vein, lies lateral to ICA

A

Anteromedial

Internal jugular

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47
Q

Cervical plexus cutaneous branches (4)

A
  1. Lesser occipital n (C2)
    • Skin of posterior pinna of ear to skin just
    posterior to ear
  2. Greater auricular n (C2, 3)
    • most skin of ear; skin over parotid gland and mastoid process
  3. Transverse cervical n (cutaneous coli,
    anterior cutaneous n. neck) (C2, 3)
    • majority of skin of anterior neck
  4. Supraclavicular n (C3, 4)
    • skin of shoulder and upper pectoral region
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48
Q

Hypoglassal n (C1, 2)

A

CN XII (12)

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49
Q

Accessory n (C2-4) goes to what muscles?

A

SCM and traps

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50
Q

Sympathetic trunk comes from what cervical division?

A

C1-4

All receive gray rami communicates from superior cervical ganglion

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51
Q

Superior root of Ansa cervicalis (C1-3) provides innervations to what muscles?

A

3/4 Infrahyoid muscles

Thyrohyoid is innervated by Hypoglassal

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52
Q

Name the 4 deep neck flexor muscles. What are there divisions?

A

Rectus capitis anterior (C1, 2)

Rectus capitis lateral is (C1)

Longus capitis (C1-3)

Longus Coli (C2-4)

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53
Q

What are the divisions of:

The respiratory diaphragm via the phrenic nerve

Levator scapulae

Middle scalene

A

respiratory diaphragm via the phrenic nerve (C3, 4, 5)

levator scapulae (C3, 4, 5)

middle scalene (C4)

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54
Q

The dorsal rami (C1-8) is not part of the certical plexus because..

A

Has to come from the anterior rami to be part of the cervical plexus

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55
Q

Suboccipital n stems from ?

A

C1 (suboccipital muscles)

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56
Q

Greater occipital n stems from?

A

C2

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57
Q

3rd occipital n stems from ?

A

C3

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58
Q

Skin and intrinsic neck muscles innervation?

A

C4-8

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59
Q

**know locations of deep neck flexor muscles (4)

A
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60
Q

Intercostobrachial nerve arises from ?

A

T2

arises like a lateral cutaneous nerve, but fails to
branch into anterior and posterior branches, pierces intercostal and serratus anterior muscles, crosses axilla  skin on medial side of brachium

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61
Q

T3-T11

What nerves arise from here

A

3rd-11th intercostal nerves—>intercostal muscle and skin of thoracic wall

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62
Q

T12 subcostal nerve innervates

A

Intercostal muscle and skin of thoracic wall

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63
Q

Intercostal nerves 2-5

A

Serratus posterior superior

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64
Q

Intercostal nerves 9-12

A

Serratus posterior inferior

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65
Q

thyroid gland is located:
A. Superior to the hyoid bone
B. Lateral to the common carotid artery
C. Anterior to the trachea
D. Behind the trachea

A

C

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66
Q

thyroid gland consists of:
A. Two lobes connected by an isthmus
B. One lobe
C. Three lobes
D. Four distinct lobes

A

A

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67
Q

blood supply to the thyroid gland is primarily from the:
A. External jugular vein
B. Subclavian artery
C. Common carotid artery
D. Superior and inferior thyroid arteries

A

D

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68
Q

parathyroid glands are typically located:
A. On the posterior surface of the thyroid
B. Inside the thyroid gland
C. In the mediastinum
D. On the anterior surface of the thyroid

A

A

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69
Q

many parathyroid glands are most commonly found in the human body?
A. Six
B. Two
C. Eight
D. Four

A

D

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70
Q

main hormone produced by the thyroid gland is:
A. Parathyroid hormone (PTH)
B. Thyroxine (T4)
C. Aldosterone
D. Calcitonin

A

B

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71
Q

parathyroid hormone (PTH) primarily regulates:
A. Blood glucose levels
B. Calcium and phosphate levels
C. Thyroid hormone production
D. Sodium balance

A

B

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72
Q

thyroid extends as far down as
A. lower 1/3 of tracheal cartilage
B. cricoid cartilage
C. 5th or 6th tracheal ring
D. 2nd or 3rd tracheal ring

A

C

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73
Q

hormone opposes the action of PTH by lowering blood calcium levels?
A. Aldosterone
B. Cortisol
C. Thyroxine (T4)
D. Calcitonin

74
Q

release of thyroid hormones is primarily regulated by:
A. The adrenal cortex
B. Calcium levels in the blood
C. Thyroid-stimulating hormone (TSH)
D. The parathyroid glands

75
Q

cartilage is the largest in the larynx?
Arytenoid
Thyroid
Epiglottis
Cricoid

76
Q

only complete ring of cartilage in the larynx is the:
Cricoid
Thyroid
Arytenoid
Epiglottis

77
Q

cartilage is responsible for the movement of the vocal cords?
Thyroid
Corniculate
Arytenoid
Cricoid

78
Q

epiglottis is primarily composed of:
Hyaline cartilage
Calcified cartilage
Elastic cartilage
Fibrocartilage

A

Elastic cartilage

79
Q

paired cartilages of the larynx include:
Cricoid and epiglottis
Thyroid and cricoid
Epiglottis and thyroid
Arytenoid and corniculate

A

Elastic cartilage arytenoid and corniculate

80
Q

muscle is the primary abductor of the vocal cords?
Cricothyroid
Lateral cricoarytenoid
Thyroarytenoid
Posterior cricoarytenoid

A

Posterior cricoarytenoid

81
Q

cricothyroid muscle is responsible for:
A. Lengthening and tensing the vocal cords
B. Shortening the vocal cords
C. Adducting the vocal cords
D. Relaxing the vocal cords

82
Q

main function of the thyroarytenoid muscle is to:
A. Relax and shorten the vocal cords
B. Open the airway
C. Abduct the vocal cords
D. Tense the vocal cords

83
Q

muscle closes the glottis by adducting the vocal cords?
A. Lateral cricoarytenoid
B. Posterior cricoarytenoid
C. Aryepiglottic

84
Q

oblique and transverse arytenoid muscles function primarily to:
A. Close the laryngeal inlet
B. Adduct the vocal cords
C. Shorten the vocal cords
D. Open the airway

85
Q

nerve provides motor innervation to all intrinsic laryngeal muscles except the cricothyroid?
A. External branch of the superior laryngeal nerve
B. Recurrent laryngeal nerve
C. Internal branch of the superior laryngeal nerve

86
Q

external branch of the superior laryngeal nerve innervates the:
A. Posterior cricoarytenoid
B. Cricothyroid
C. Aryepiglottic
D. Thyroarytenoid

87
Q

to the recurrent laryngeal nerve can result in:
A. Inability to abduct the vocal cords
B. Increased pitch of the voice
C. Hyperadduction of the vocal cords
D. Complete airway obstruction

88
Q

sensory innervation of the mucosa above the vocal cords is supplied by the:
A. Glossopharyngeal nerve
B. Internal branch of the superior laryngeal nerve
C. Recurrent laryngeal nerve
D. External branch of the superior laryngeal nerve

89
Q

recurrent laryngeal nerve loops around which structure on the right side?
A. Vertebral artery
B. Common carotid artery
C. Aortic arch
D. Subclavian artery

90
Q

space between the true vocal cords is called the:
A Rima glottidis
B. Vestibule
C. Piriform recess
D. Vallecula

91
Q

area above the vocal folds is known as the:
A. Subglottis
B. Supraglottis
C. Glottis

92
Q

laryngeal ventricle is located between the:
A. Vocal cords and trachea
B. Epiglottis and thyroid cartilage
C. Vestibular and vocal folds
D. Arytenoid and cricoid cartilages

93
Q

mucosal folds that protect the airway and are located above the vocal cords are the:
A. Cricothyroid membrane
B. Aryepiglottic folds
C. Vestibular (false vocal) folds
D. Vocal folds

94
Q

piriform recess is part of which anatomical structure?
A. Trachea
B. Laryngeal vestibule
C. Oropharynx
D. Hypopharynx

95
Q

common carotid artery bifurcates at the level of:
T1
C2
C6
C4

96
Q

right common carotid artery originates from the:
Brachiocephalic trunk
Vertebral artery
Aortic arch
Subclavian artery

A

Brachiocephalic trunk

97
Q

left common carotid artery originates directly from the:
Internal carotid artery
Aortic arch
Brachiocephalic trunk
Subclavian artery

A

Aortic arch

98
Q

carotid sinus is primarily responsible for:
Baroreception
Chemoreception
Oxygen transport
Venous return

A

Baroreception

99
Q

common carotid artery supplies:
Only the meninges
Both the brain and face
The face and scalp
Only the brain

100
Q

external carotid artery supplies blood primarily to the:
Brain
Face, scalp, and neck
Lungs
Upper limbs

A

Face, scalp, and neck

101
Q

of the following is not a branch of the external carotid artery?
Superior thyroid artery
Middle cerebral artery
Facial artery
Lingual artery

A

Middle cerebral artery

102
Q

terminal branches of the external carotid artery are the:
Lingual and facial arteries
Maxillary and superficial temporal arteries
Occipital and posterior auricular arteries
Superior thyroid and ascending pharyngeal arteries

A

Maxillary and superficial temporal arteries

103
Q

facial artery is a branch of the:
Vertebral artery
External carotid artery
Subclavian artery
Internal carotid artery

A

External carotid artery

104
Q

superior thyroid artery primarily supplies the:
Thyroid gland
Parotid gland
Temporalis muscle
Upper pharynx

A

Thyroid gland

105
Q

subclavian artery passes over which structure?
Second rib
Trapezius muscle
First rib
Hyoid bone

106
Q

subclavian artery gives rise to which major branch supplying the brain?
Internal carotid artery
Facial artery
Maxillary artery
Vertebral artery

A

Vertebral artery

107
Q

of the following is not a branch of the subclavian artery?
Thyrocervical trunk
Costocervical trunk
Internal thoracic artery
Occipital artery

A

Occipital artery

108
Q

internal thoracic artery originates from the:
Aortic arch
External carotid artery
Subclavian artery
Common carotid artery

A

Subclavian artery

109
Q

thyrocervical trunk gives rise to all the following except:
Inferior thyroid artery
Occipital artery
Transverse cervical artery
Suprascapular

A

Occipital artery

110
Q

internal jugular vein drains blood from the:
Face and scalp
Lungs
Upper limbs
Brain and deep structures of the head

A

Brain and deep structures of the head

111
Q

internal jugular vein begins at the:
Thoracic duct
Carotid sinus
Jugular foramen
External carotid artery

A

Jugular foramen

112
Q

internal jugular vein merges with which vein to form the brachiocephalic vein?
Vertebral vein
Inferior thyroid vein
External jugular vein
Subclavian vein

A

Subclavian vein

113
Q

internal jugular vein is located within the:
Muscular triangle
Carotid sheath
Supraclavicular space
Submandibular triangle

A

Carotid sheath

114
Q

dural venous sinus drains directly into the internal jugular vein?
Sigmoid sinus
Occipital sinus
Cavernous sinus
Inferior sagittal sinus

A

Sigmoid sinus

115
Q

external jugular vein is formed by the union of the:
Occipital and anterior jugular veins
Facial and lingual veins
Vertebral and subclavian veins
Retromandibular and posterior auricular veins

A

Retromandivular and posterior auricular veins

116
Q

external jugular vein drains into the:
Internal jugular vein
Superior vena cava
Brachiocephalic vein
Subclavian vein

A

Subclavian vein

117
Q

posterior auricular vein primarily drains blood from the:
Thyroid gland
Scalp behind the ear
Brain
Orbit

A

Scalp behind the ear

118
Q

anterior jugular vein typically drains into the:
External jugular vein
Internal jugular vein
Brachiocephalic vein
Subclavian vein

119
Q

external jugular vein is located:
Within the carotid sheath
Superficial to the sternocleidomastoid
Deep to the sternocleidomastoid
Deep to the platysma

A

Superficial to the SCM

120
Q

vertebral artery enters the skull via the:
Jugular foramen
Hypoglossal canal
Carotid canal
Foramen magnum

A

Foramen magnum

121
Q

maxillary artery is a branch of the:
Internal carotid artery
Vertebral artery
Subclavian artery
External carotid artery

122
Q

external jugular vein is most prominent during:
Expiration
Shock
Coughing
Sleeping

123
Q

carotid body functions as a:
Pain receptor
Chemoreceptor
Thermoreceptor
Mechanoreceptor

A

Chemorecetpor

124
Q

brachiocephalic vein is formed by the union of the:
Subclavian and vertebral veins
Vertebral and external jugular veins
External and internal jugular veins
Internal jugular and subclavian veins

A

IJ and subclavian veins

125
Q

***Look at Slides 72-74 sensory nerve shit

126
Q

The cervical plexus is formed by the ventral rami of which spinal nerves?
C1-C4
C2-C5
C1-C5
C3-C6

127
Q

Which of the following is NOT a function of the cervical plexus?
Sensory innervation to the neck and scalp
Motor control of the diaphragm
Sensory innervation to the upper limb

A

Sensory innervation to the upper limb

128
Q

The phrenic nerve, which controls the diaphragm, arises primarily from which cervical nerve roots?
C1-C2
C3-C5
C5-C7

129
Q

Which branch of the cervical plexus provides sensory innervation to the skin over the parotid gland and the angle of the mandible?
Greater auricular nerve
Transverse cervical nerve
Supraclavicular nerve

A

Greater auricular nerve

130
Q

The ansa cervicalis supplies motor innervation to which group of muscles?
Infrahyoid muscles
Suprahyoid muscles
Scalene muscles
Prevertebral muscles

A

Infrahyoid muscles

131
Q

Which of the following nerves is NOT a cutaneous branch of the cervical plexus?
Lesser occipital nerve
Greater auricular nerve
Transverse cervical nerve
Musculocutaneous nerve

A

Musc nerve

132
Q

The cervical plexus is located deep to which muscle?
Sternocleidomastoid
Trapezius
Levator scapulae
Platysma

133
Q

The transverse cervical nerve provides sensory innervation to which area?
Skin of the anterior neck
Skin of the posterior scalp
Skin over the shoulder
Skin over the upper back

A

Skin of the anterior neck

134
Q

Which nerve of the cervical plexus is responsible for sensory innervation of the supraclavicular region?
Lesser occipital nerve
Greater auricular nerve
Supraclavicular nerve
Transverse cervical nerve

A

Supraclavicular nerve

135
Q

What type of fibers does the ansa cervicalis contain?
Only sensory fibers
Only motor fibers
Both sensory and motor fibers
Only autonomic fiber

A

Only motor fibers

136
Q

The hypoglossal nerve (CN XII) communicates with the cervical plexus to help innervate which muscle group?
Tongue muscles
Infrahyoid muscles
Scalene muscles
Posterior neck muscles

A

Tongue muscles

137
Q

Which structure does the phrenic nerve primarily innervate?
Lungs
Diaphragm
Heart
Trapezius

138
Q

The cervical plexus has both motor and sensory components. Which of the following is a motor branch?
Supraclavicular nerve
Ansa cervicalis
Greater auricular nerve
Lesser occipital nerve

A

Ansa cervicalis

139
Q

Which of the following nerves provides cutaneous sensation to the area behind the ear?
Greater auricular nerve
Lesser occipital nerve
Transverse cervical nerve
Supraclavicular nerve

A

Lesser occipital nerve

140
Q

The cervical plexus contributes to the formation of which autonomic structure?
Sympathetic trunk
Cardiac plexus
Brachial plexus
Celiac plexus

A

Sympathetic trunk

141
Q

Space btw vestibular folds

A

Rima vestibuli

143
Q

Small lateral recess

144
Q

Space btw vocal cords

A

Rima glottdis

145
Q

From vocal cords to inferior border of cricoarytenoid cartilage

A

Subglottic cavity

146
Q

Cavity btw medial surfaces of two quadrangular membranes

147
Q

What are the branches of the costocervical trunk?

“Dank Soup”

A

Deep cervical

Superior intercostal arteries

148
Q

What are the branches of the thyrocervical trunk?

“Stressed Thoughts Always Increase”

A

Suprascapular,

transverse cervical,

ascending cervical,

inferior thyroid a.

149
Q

Name the terminal branches off the ICA.

A

Middle cerebral a.

Anterior cerebral a.

150
Q

Name the branches off of circle of willis (aka circuits arteriosus) that are officially part of the circle. What is in the center of this circle?

“Proper Planning Makes Important Actions Achievable”

A

Vertebral arteries form the basilar a.

(Few pontine aa that supply pons and brain stem)

Form Main: Posterior cerebral a.
—> Posterior communicating a.
—> Middle cerebral a (not officially part)
—> Internal carotid artery (vertebral part)
—> Anterior cerebral a.
—> Anterior communicating a.

*Pituitary gland is in the center of this structure

151
Q

The ophthalmic artery branches from what portion of the ICA? Where does it enter? Below what nerve?

A

Cerebral portion

Enters the orbit by passing through optic foramen below option nerve within nerve’s dural-arachnoid heath, then comes to lay between optic nerve and lateral rectus m.

152
Q

What artery permits BF from vertebral basilar system to flow via circulars arterioles into ICAs?

A

Posterior communication aa

153
Q

______________ ___________ ______ permits flow from one ICA to contralateral ICA

A

Anterior communicating a.

155
Q

The ________ ________ ____ is superficial to SCM, accompanied by ______ _________ n. Lastly, terminates in posterior cervical triangle by jointing SCV or IJV.

A

External jugular vein
Great auricular n.

156
Q

What are the EJV tributaries?

A

transverse cervical, suprascapular, anterior jugular v

157
Q

Retromandibular vein is formed by union of _______ ______ and ________ v. Drains into EJC and Common facial v.

A

Superficial temporal and maxillary vv

159
Q

Vagus
Hypoglassal
Accessory Sympathetic Trunk

A

Vagus - C1, 2

Hypoglossal - C1, C2

Accessory - C2, C3, C4

Sympathetic Trunk - C1, C2, C3, C4

160
Q

Conus elasticus
(cricothyroid/cricovocal
membrane

A

well-developed sheet
which arises from upper border of
arch of cricoid cartilage & extends
upward and medially. Upper edges
of both sheets are thickened to
form vocal ligaments

161
Q

Quadrangular membrane

A

extends
from sides of epiglottic cartilage to
corniculate and arytenoid
cartilages

162
Q

The left and right anterior cerebral arteries are connected by the ___________ artery

A

Anterior communicating

163
Q

The internal carotid retry forms an anastomosis with the posterior cerebral arteries via the ________ artery

A

Posterior communicating artery

164
Q

CN _____ is found closest to he cavernous portion of the internal carotid artery.

A

CN V (trigeminal)

165
Q

Cranial nerve 6 is also known as the ________ nerve.

166
Q

The sigmoid sinus turns into the _____ v.

168
Q

The first tributary to the internal jugular vein is the _________ v.

169
Q

The inferior thyroid artery is a branch of the __________ trunk

A

Thoracocervical

170
Q

The conus elasticus is also known as the __________ and _________ ligaments

A

Cricothyroid and cricovocal

171
Q

The cartilages contained within the quadrangular membrane are called _________ cartilages

A

Epiglottic

172
Q

The space between the vestibular folds is called the __________

A

Rima vestibuli

173
Q

The space btw the true vocal cords is called the __________

A

Rima glottis

174
Q

The lateral outpouching btw the vestibular and vocal folds in the larynx is known as _________

A

Ventricles ( I think)

175
Q

Sensory innervation above the vocal folds is provided by the ________ branch of the superior laryngeal nerve

176
Q

Sensory innervation below the vocal folds is provided by the ________ nerve

177
Q

The anteroinferior border of the carotid triangle is the ______

A

superior belly of omohyoid

178
Q

The left brachiocephalic vein is found _______ to the brachiocephalic trunk (ant. Or post)

179
Q

The vocal ligment is the medial edge of this membrane

A

Cricovocal membrane

180
Q

The thyroid gland secretes a hormone in response to low _________ ______ _______

A

Serum calcium levels

181
Q

The ________ and ______ thyroid veins are tributaries to the IJV

A

Superior and middle

182
Q
A

Superior and middle

T2 Anatomy Lab (6 decks)

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