Cervical And Facial Muscles/Nerve Innervations Flashcards

(182 cards)

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
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."
CB - - Ascending palatine - Tonsillar ** - Glandular - Submental ** - Muscular FB - - Inferior labial ** - Superior labial ** - Lateral nasal ** - Angular ** - Muscular brm
26
The facial a branches from the _______ _____ _____.
ECA
27
The superior labial, inferior labial, lateral nasal, and angular a are a branches from what artery ?
Facial
28
The tonsillar a., submental a., and glandular a., are a branches from what major artery? This artery branches from what larger a.?
Facial External carotid artery
29
Name the branches of the occipital a. (6) "My Sister Ate My Taco Dinner” **= important remember if any
- 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
30
The descending branch of occipital a shares an anastomosing with?
Vertebral a Costocervical trunk Thyrocervical trunk
31
The posterior auricular a branches (4) “My Sister At Onions”
- Muscular and glandular - Stylomostoid - Auricular -Occipital
32
T or F Superficial temporal a is a continuous branch of ECA
F! It is the terminal branch of ECA
33
Name the two terminal branches of the ECA
Maxillary a Superficial temporal a
34
Name the branches of the superficial temporal a. (6) "The Mighty Zebra Ate Fresh Pineapples.” **= important to remember if any
- Transverse facial ** - Middle temporal - Zygomaticofacial oculi - Anterior auricular - Frontal branch - Patrietal
35
Name the portions of the maxillary a. (3 portions) and their branches. **might be more important
- 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)
36
ICA supplies ___% of the cerebral hemisphere
80
37
What are the 4 portions of the ICA. What branches are within these portions?
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.
38
At origin, carotid sinus functions to regulate systemic ______ _______
BP
39
The carotid body is sensitive to _____ and _______ _______ concentrations
Oxygen and carbon dioxide
40
Opthalmic artery branches from what major artery? Explain its orientation and branches from the opthalmic artery
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
41
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 ______ _______ ________
anterior and middle cerebral arteries
42
Middle cerebral an and anterior cerebral a branch from where and what are their orientations?
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.
43
.
44
What are the carotid triangle boundaries?
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.
45
T or F Vagus n (C1, 2) is parasympathetic
T Joins vagus at inferior ganglion of vagus
46
ECA is usually __________ at first then lateral to ICA higher in neck, while ______ ______ vein, lies lateral to ICA
Anteromedial Internal jugular
47
Cervical plexus cutaneous branches (4)
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
48
Hypoglassal n (C1, 2)
CN XII (12)
49
Accessory n (C2-4) goes to what muscles?
SCM and traps
50
Sympathetic trunk comes from what cervical division?
C1-4 All receive gray rami communicates from superior cervical ganglion
51
Superior root of Ansa cervicalis (C1-3) provides innervations to what muscles?
3/4 Infrahyoid muscles Thyrohyoid is innervated by Hypoglassal
52
Name the 4 deep neck flexor muscles. What are there divisions?
Rectus capitis anterior (C1, 2) Rectus capitis lateral is (C1) Longus capitis (C1-3) Longus Coli (C2-4)
53
What are the divisions of: The respiratory diaphragm via the phrenic nerve Levator scapulae Middle scalene
respiratory diaphragm via the phrenic nerve (C3, 4, 5) levator scapulae (C3, 4, 5) middle scalene (C4)
54
The dorsal rami (C1-8) is not part of the certical plexus because..
Has to come from the anterior rami to be part of the cervical plexus
55
Suboccipital n stems from ?
C1 (suboccipital muscles)
56
Greater occipital n stems from?
C2
57
3rd occipital n stems from ?
C3
58
Skin and intrinsic neck muscles innervation?
C4-8
59
**know locations of deep neck flexor muscles (4)
60
Intercostobrachial nerve arises from ?
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
61
T3-T11 What nerves arise from here
3rd-11th intercostal nerves—>intercostal muscle and skin of thoracic wall
62
T12 subcostal nerve innervates
Intercostal muscle and skin of thoracic wall
63
Intercostal nerves 2-5
Serratus posterior superior
64
Intercostal nerves 9-12
Serratus posterior inferior
65
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
C
66
thyroid gland consists of: A. Two lobes connected by an isthmus B. One lobe C. Three lobes D. Four distinct lobes
A
67
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
D
68
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
69
many parathyroid glands are most commonly found in the human body? A. Six B. Two C. Eight D. Four
D
70
main hormone produced by the thyroid gland is: A. Parathyroid hormone (PTH) B. Thyroxine (T4) C. Aldosterone D. Calcitonin
B
71
parathyroid hormone (PTH) primarily regulates: A. Blood glucose levels B. Calcium and phosphate levels C. Thyroid hormone production D. Sodium balance
B
72
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
C
73
hormone opposes the action of PTH by lowering blood calcium levels? A. Aldosterone B. Cortisol C. Thyroxine (T4) D. Calcitonin
D
74
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
C
75
cartilage is the largest in the larynx? Arytenoid Thyroid Epiglottis Cricoid
Thyroid
76
only complete ring of cartilage in the larynx is the: Cricoid Thyroid Arytenoid Epiglottis
Cricoid
77
cartilage is responsible for the movement of the vocal cords? Thyroid Corniculate Arytenoid Cricoid
Arytenoid
78
epiglottis is primarily composed of: Hyaline cartilage Calcified cartilage Elastic cartilage Fibrocartilage
Elastic cartilage
79
paired cartilages of the larynx include: Cricoid and epiglottis Thyroid and cricoid Epiglottis and thyroid Arytenoid and corniculate
Elastic cartilage arytenoid and corniculate
80
muscle is the primary abductor of the vocal cords? Cricothyroid Lateral cricoarytenoid Thyroarytenoid Posterior cricoarytenoid
Posterior cricoarytenoid
81
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
A
82
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
A
83
muscle closes the glottis by adducting the vocal cords? A. Lateral cricoarytenoid B. Posterior cricoarytenoid C. Aryepiglottic
A
84
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
B
85
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
B
86
external branch of the superior laryngeal nerve innervates the: A. Posterior cricoarytenoid B. Cricothyroid C. Aryepiglottic D. Thyroarytenoid
B
87
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
A
88
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
B
89
recurrent laryngeal nerve loops around which structure on the right side? A. Vertebral artery B. Common carotid artery C. Aortic arch D. Subclavian artery
D
90
space between the true vocal cords is called the: A Rima glottidis B. Vestibule C. Piriform recess D. Vallecula
A
91
area above the vocal folds is known as the: A. Subglottis B. Supraglottis C. Glottis
B
92
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
C
93
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
C
94
piriform recess is part of which anatomical structure? A. Trachea B. Laryngeal vestibule C. Oropharynx D. Hypopharynx
D
95
common carotid artery bifurcates at the level of: T1 C2 C6 C4
C4
96
right common carotid artery originates from the: Brachiocephalic trunk Vertebral artery Aortic arch Subclavian artery
Brachiocephalic trunk
97
left common carotid artery originates directly from the: Internal carotid artery Aortic arch Brachiocephalic trunk Subclavian artery
Aortic arch
98
carotid sinus is primarily responsible for: Baroreception Chemoreception Oxygen transport Venous return
Baroreception
99
common carotid artery supplies: Only the meninges Both the brain and face The face and scalp Only the brain
Both
100
external carotid artery supplies blood primarily to the: Brain Face, scalp, and neck Lungs Upper limbs
Face, scalp, and neck
101
of the following is not a branch of the external carotid artery? Superior thyroid artery Middle cerebral artery Facial artery Lingual artery
Middle cerebral artery
102
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
Maxillary and superficial temporal arteries
103
facial artery is a branch of the: Vertebral artery External carotid artery Subclavian artery Internal carotid artery
External carotid artery
104
superior thyroid artery primarily supplies the: Thyroid gland Parotid gland Temporalis muscle Upper pharynx
Thyroid gland
105
subclavian artery passes over which structure? Second rib Trapezius muscle First rib Hyoid bone
First rib
106
subclavian artery gives rise to which major branch supplying the brain? Internal carotid artery Facial artery Maxillary artery Vertebral artery
Vertebral artery
107
of the following is not a branch of the subclavian artery? Thyrocervical trunk Costocervical trunk Internal thoracic artery Occipital artery
Occipital artery
108
internal thoracic artery originates from the: Aortic arch External carotid artery Subclavian artery Common carotid artery
Subclavian artery
109
thyrocervical trunk gives rise to all the following except: Inferior thyroid artery Occipital artery Transverse cervical artery Suprascapular
Occipital artery
110
internal jugular vein drains blood from the: Face and scalp Lungs Upper limbs Brain and deep structures of the head
Brain and deep structures of the head
111
internal jugular vein begins at the: Thoracic duct Carotid sinus Jugular foramen External carotid artery
Jugular foramen
112
internal jugular vein merges with which vein to form the brachiocephalic vein? Vertebral vein Inferior thyroid vein External jugular vein Subclavian vein
Subclavian vein
113
internal jugular vein is located within the: Muscular triangle Carotid sheath Supraclavicular space Submandibular triangle
Carotid sheath
114
dural venous sinus drains directly into the internal jugular vein? Sigmoid sinus Occipital sinus Cavernous sinus Inferior sagittal sinus
Sigmoid sinus
115
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
Retromandivular and posterior auricular veins
116
external jugular vein drains into the: Internal jugular vein Superior vena cava Brachiocephalic vein Subclavian vein
Subclavian vein
117
posterior auricular vein primarily drains blood from the: Thyroid gland Scalp behind the ear Brain Orbit
Scalp behind the ear
118
anterior jugular vein typically drains into the: External jugular vein Internal jugular vein Brachiocephalic vein Subclavian vein
EJV
119
external jugular vein is located: Within the carotid sheath Superficial to the sternocleidomastoid Deep to the sternocleidomastoid Deep to the platysma
Superficial to the SCM
120
vertebral artery enters the skull via the: Jugular foramen Hypoglossal canal Carotid canal Foramen magnum
Foramen magnum
121
maxillary artery is a branch of the: Internal carotid artery Vertebral artery Subclavian artery External carotid artery
ECA
122
external jugular vein is most prominent during: Expiration Shock Coughing Sleeping
Coughing
123
carotid body functions as a: Pain receptor Chemoreceptor Thermoreceptor Mechanoreceptor
Chemorecetpor
124
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
IJ and subclavian veins
125
***Look at Slides 72-74 sensory nerve shit
126
The cervical plexus is formed by the ventral rami of which spinal nerves? C1-C4 C2-C5 C1-C5 C3-C6
C1-C4
127
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
Sensory innervation to the upper limb
128
The phrenic nerve, which controls the diaphragm, arises primarily from which cervical nerve roots? C1-C2 C3-C5 C5-C7
C3-C5
129
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
Greater auricular nerve
130
The ansa cervicalis supplies motor innervation to which group of muscles? Infrahyoid muscles Suprahyoid muscles Scalene muscles Prevertebral muscles
Infrahyoid muscles
131
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
Musc nerve
132
The cervical plexus is located deep to which muscle? Sternocleidomastoid Trapezius Levator scapulae Platysma
SCM
133
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
Skin of the anterior neck
134
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
Supraclavicular nerve
135
What type of fibers does the ansa cervicalis contain? Only sensory fibers Only motor fibers Both sensory and motor fibers Only autonomic fiber
Only motor fibers
136
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
Tongue muscles
137
Which structure does the phrenic nerve primarily innervate? Lungs Diaphragm Heart Trapezius
Diaphragm
138
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
Ansa cervicalis
139
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
Lesser occipital nerve
140
The cervical plexus contributes to the formation of which autonomic structure? Sympathetic trunk Cardiac plexus Brachial plexus Celiac plexus
Sympathetic trunk
141
Space btw vestibular folds
Rima vestibuli
142
143
Small lateral recess
Ventricle
144
Space btw vocal cords
Rima glottdis
145
From vocal cords to inferior border of cricoarytenoid cartilage
Subglottic cavity
146
Cavity btw medial surfaces of two quadrangular membranes
Vestibule
147
What are the branches of the costocervical trunk? “Dank Soup”
Deep cervical Superior intercostal arteries
148
What are the branches of the thyrocervical trunk? “Stressed Thoughts Always Increase”
Suprascapular, transverse cervical, ascending cervical, inferior thyroid a.
149
Name the terminal branches off the ICA.
Middle cerebral a. Anterior cerebral a.
150
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"
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
The ophthalmic artery branches from what portion of the ICA? Where does it enter? Below what nerve?
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
What artery permits BF from vertebral basilar system to flow via circulars arterioles into ICAs?
Posterior communication aa
153
______________ ___________ ______ permits flow from one ICA to contralateral ICA
Anterior communicating a.
154
155
The ________ ________ ____ is superficial to SCM, accompanied by ______ _________ n. Lastly, terminates in posterior cervical triangle by jointing SCV or IJV.
External jugular vein Great auricular n.
156
What are the EJV tributaries?
transverse cervical, suprascapular, anterior jugular v
157
Retromandibular vein is formed by union of _______ ______ and ________ v. Drains into EJC and Common facial v.
Superficial temporal and maxillary vv
158
159
Vagus Hypoglassal Accessory Sympathetic Trunk
Vagus - C1, 2 Hypoglossal - C1, C2 Accessory - C2, C3, C4 Sympathetic Trunk - C1, C2, C3, C4
160
Conus elasticus (cricothyroid/cricovocal membrane
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
Quadrangular membrane
extends from sides of epiglottic cartilage to corniculate and arytenoid cartilages
162
The left and right anterior cerebral arteries are connected by the ___________ artery
Anterior communicating
163
The internal carotid retry forms an anastomosis with the posterior cerebral arteries via the ________ artery
Posterior communicating artery
164
CN _____ is found closest to he cavernous portion of the internal carotid artery.
CN V (trigeminal)
165
Cranial nerve 6 is also known as the ________ nerve.
Abducens
166
The sigmoid sinus turns into the _____ v.
IJV
167
168
The first tributary to the internal jugular vein is the _________ v.
Occipital
169
The inferior thyroid artery is a branch of the __________ trunk
Thoracocervical
170
The conus elasticus is also known as the __________ and _________ ligaments
Cricothyroid and cricovocal
171
The cartilages contained within the quadrangular membrane are called _________ cartilages
Epiglottic
172
The space between the vestibular folds is called the __________
Rima vestibuli
173
The space btw the true vocal cords is called the __________
Rima glottis
174
The lateral outpouching btw the vestibular and vocal folds in the larynx is known as _________
Ventricles ( I think)
175
Sensory innervation above the vocal folds is provided by the ________ branch of the superior laryngeal nerve
Internal
176
Sensory innervation below the vocal folds is provided by the ________ nerve
Recurrent
177
The anteroinferior border of the carotid triangle is the ______
superior belly of omohyoid
178
The left brachiocephalic vein is found _______ to the brachiocephalic trunk (ant. Or post)
Anterior
179
The vocal ligment is the medial edge of this membrane
Cricovocal membrane
180
The thyroid gland secretes a hormone in response to low _________ ______ _______
Serum calcium levels
181
The ________ and ______ thyroid veins are tributaries to the IJV
Superior and middle
182
Superior and middle