Vessels and Nerves of the Neck

Question 1

Origin of R Common Carotid A

Answer 1

Brachiocephalic Trunk

Question 2

Origin of L Common Carotid A

Answer 2

Aortic Arch

Question 3

Carotid Sinus

Answer 3

enlargement of beginning of internal carotid artery

nerve endings from glossopharyngeal n to sense blood pressure

Question 4

Carotid Body

Answer 4

epithelial structure at carotid bifurcation

nerve endings from glossopharyngeal n to sense chem changes- O and CO2 lvls, blood pH

Question 5

Carotid Body and Sinus help control…

Answer 5

heart rate, blood pressure, respiratory rate and depth

Question 6

Superior Thyroid A

Answer 6

from Ex Carotid A

goes to thyroid gland

Question 7

Superior Laryngeal A

Answer 7

Branches from Superior Thyroid A

goes to larynx

Question 8

Lingual A

Answer 8

From Ex Carotid A

gives off branches that supply tongue

Question 9

Facial A

Answer 9

From Ex Carotid A

branches supply muscles of face, pharynx, soft palate, submandibular gland

Question 10

Occipital A

Answer 10

From Ex Carotid A
goes to back of scalp
branches supply ear, middle ear, cranial dura mater

Question 11

Posterior Auricular A

Answer 11

From Ex Carotid A

supplies ear, middle ear,scalp behind ear, parotid gland

Question 12

Ascending Pharyngeal A

Answer 12

smallest branch from Ex Carotid A

supplies pharynx, soft palate, middle ear, cranial dura mater

Question 13

Superficial Temporal A

Answer 13

End of Ex Carotid A

supplies frontal, temporal, parietal regions of scalp, parotid gland, external ear, face

Question 14

Maxillary A

Answer 14

End of Ex Carotid A

Supplies external and middle ear, cranial dura mater, teeth, mastication m, face, nasal cavity

Question 15

Internal Jugular V

Answer 15

Starts in jugular foramen, ends at subclavian v

collects most blood from head and neck

Question 16

R Subclavian A

Answer 16

Branch of brachiocephalic trunk

Question 17

L Subclavian A

Answer 17

Branch of Aortic Arch

Question 18

1st Part of Subclavian A

Answer 18

Vertebral A, Thyrocervical Trunk, Internal Thoracic A

Question 19

2nd Part of Subclavian A

Answer 19

Costocervical Trunk

Question 20

3rd Part of Subclavian A

Answer 20

Dorsal Scapular A

Question 21

2nd (Cervical) Part of Vertebral A

Answer 21

gives off small muscular and spinal branches

Question 22

4th (Intracranial) Part of Vertebral A

Answer 22

gives off major branches of vertebral a

Question 23

Branches of Thyrocervical Trunk

Answer 23

Inferior Thyroid, Superficial/ Transverse Cervical, Suprascapular A

Question 24

Inferior Thyroid A

Answer 24

from thyrocervical trunk

supplies larynx, trachea, pharynx, esphagus, thyroid, parathyroid

Question 25

Difference between Superficial Cervical and Transverse Cervical A

Answer 25

if dorsal scapular comes from 3rd part- Superficial | if dorsal scapular comes from thyrocervical trunk- Transverse

Question 26

Superficial/ Transverse Cervical A

Answer 26

from thyrocervical trunk | supplies superficial muscles of upper back

Question 27

Suprascapular A

Answer 27

from thyrocervical trunk | supplies muscles of posterior scapula

Question 28

Branches of Costocervical Trunk

Answer 28

Superior Intercostal A, Deep Cervical A

Question 29

Superior Intercostal A

Answer 29

from costocervical trunk | gives off first 2 posterior intercostal aa

Question 30

Deep Cervical A

Answer 30

from costocervical trunk | supplies deep muscles of back of neck

Question 31

Vagus N

Answer 31

motor and sensory fibers | from medulla oblongata, exits skull thru jugular foramen

Question 32

Meningeal Branch of Vagus N

Answer 32

supplies dura mater of posterior cranial fossa

Question 33

Auricular Branch of Vagus N

Answer 33

supplies auricle, external acoustic meatus, tympanic membrane

Question 34

Pharyngeal Branch of Vagus N

Answer 34

motor inn to muscles of pharynx and soft palate | forms pharyngeal plexus w/ glossopharyngeal n

Question 35

Superior Laryngeal N

Answer 35

from vagus n | divides internal and external laryngeal nn

Question 36

Internal Laryngeal N

Answer 36

Sensory inn to mucosa of larynx and post part of tongue | From vagus n

Question 37

External Laryngeal N

Answer 37

motor inn to cricothyroid m and part of inferior pharyngeal constrictor m From vagus n

Question 38

R Recurrent Laryngeal N

Answer 38

curves under R subclavian a | goes to lower larynx

Question 39

Accessory N

Answer 39

C1-C5 spinal nn | supplies sternocleidomastoid and trapezius

Question 40

Hypoglossal N

Answer 40

from medulla oblongata, exits skull thru hypoglossal canal | motor inn to tongue

Question 41

Meningeal Branch of Hypoglossal N

Answer 41

supplies dura mater of posterior cranial fossa | contains sensory fibers of C1-C2

Question 42

Superior Cervical Ganglion Branches

Answer 42

Internal and External Carotid N, Gray Communicating Rami to C1-C4, Pharyngeal branches, Superior Cervical Cardiac N

Question 43

Middle Cervical Ganglion Branches

Answer 43

Gray Communicating Rami to C5-C6, Middle Cervical Cardiac N, Thyroid branches

Question 44

Inferior Cervical Ganglion Branches

Answer 44

Gray Communicating Rami to C7-C8; Inferior Cervical Cardiac N, Ansa Subclavia

Question 45

Cervical Plexus

Answer 45

formed from ventral rami of C1-C4 | Cutaneous branches and Ansa cervicalis

Question 46

Phrenic N

Answer 46

C3-C5 (part of cervical plexus) | inn diaphragm

Question 47

Muscular Branches of Cervical Plexus

Answer 47

supply anterior vertebral m, middle scalene, levator scapulae, trapezius, sternocleidomastoid