Cervial Region

Question 0

What is the function of the carotid sinus?

Answer 0

Baroreceptor that reacts to changes in arterial BP

Question 1

What are the four subdivisions (triangles) of the anterior cervical region?

Answer 1

Submental triangle, submandibular triangle, carotid triangle, and muscular triangle

Question 2

What is the function of the carotid body?

Answer 2

Chemoreceptor that monitors the level of oxygen in the blood

Question 3

What are the muscles of the suprahyoid group?

Answer 3

Mylohyoid, geniohyoid, stylohyoid, and digastric muscles

Question 4

What are the muscles of the infrahyoid group?

Answer 4

Superficial plane - sternohyoid and omohyoid

Deep plane - sternothyroid and thyrohyoid

Question 5

What is the tributary of the IJV?

Answer 5

Facial vein

Question 6

What is the root of the neck?

Answer 6

Junctional area between the thorax and the neck

Question 7

What is the inferior boundary of the root of the neck?

Answer 7

Laterally - first pair of ribs and their costal cartilages
Anteriorly - manubrium
Posteriorly - body of the T1 vertebrae

Question 8

What divides the subclavian into three parts?

Answer 8

Anterior scalene muscle

Question 9

What are the branches of the first part of the subclavian artery?

Answer 9

Vertebral artery, internal thoracic artery, and thyrocervical trunk

Question 10

What are the branches of the second part of the subclavian artery?

Answer 10

Costocervical trunk

Question 11

What are the branches of the third part of the subclavian artery?

Answer 11

Dorsal scapular artery

Question 12

What are the two branches of the thyrocervical trunk?

Answer 12

Suprascapular artery and cervicodorsal trunk

Question 13

What are the two branches of the cervicodorsal trunk?

Answer 13

Dorsal scapular and superficial artery

Question 14

What are the three nerves in the root of the neck?

Answer 14

Vagus, phrenic, and sympathetic trunks

Question 15

What are the three cervical sympathetic ganglia?

Answer 15

Inferior, middle, and superior

Question 16

What are the three visceral layers of the neck?

Answer 16

Superficial to deep:

1. Endocrine - thyroid and parathyroid glands
2. Respiratory - larynx and trachea
3. Alimentary - pharynx and esophagus

Question 17

What level is the hyoid bone?

Answer 17

C3 vertebrae

Question 18

What level is the thyroid cartilage?

Answer 18

C4 and C5 vertebrae

Question 19

What level is the cricoid cartilage?

Answer 19

C6 vertebrae

Question 20

What level does the common carotid artery bifurcate at?

Answer 20

C4 vertebrae

Question 21

Where is the common carotid artery found?

Answer 21

Carotid triangle

Question 22

What innervates the carotid sinus and carotid body?

Answer 22

Glossopharyngeal nerve (CN IX) through the carotid sinus nerve and vagus nerve (CN X)

Question 23

What level is the thyroid gland?

Answer 23

C5-T1 vertebrae

Question 24

What is the arterial supply of the thyroid gland?

Answer 24

Superior and inferior thyroid arteries

Question 25

What is the innervation of the thyroid gland?

Answer 25

Superior, middle, and inferior cervical sympathetic ganglia

Question 26

What is the arterial supply of the parathyroid gland?

Answer 26

Inferior thyroid artery

Question 27

What is the innervation of the parathyroid gland

Answer 27

Thyroid branches of the cervical sympathetic ganglia

Question 28

What are the main functions of the respiratory viscera?

Answer 28

Routing air and food into the respiratory tract and esophagus, providing a patent airway and a means of sealing it off temporarily, and producing voice

Question 29

What is the level of the larynx?

Answer 29

C3-C6 vertebrae

Question 30

What is the glottis?

Answer 30

Vocal apparatus of the larynx

Question 31

What are false vocal cords?

Answer 31

Vestibular folds

Question 32

What are true vocal cords?

Answer 32

Vocal folds

Question 33

Innervation of the larynx

Answer 33

Inferior and superior branches of the vagus nerve

Question 34

What is the level of the trachea?

Answer 34

Sternal angle

Question 35

What supports the trachea?

Answer 35

Cartilaginous tracheal rings

Question 36

What is the level of the pharynx?

Answer 36

Inferior border of cricoid cartilage and inferior border of C6 vertebrae

Question 37

What are the three parts of the pharynx?

Answer 37

Nasopharynx, oropharynx, and laryngopharynx

Question 38

What is the level of the laryngopharynx?

Answer 38

C4-C6 vertebral bodies

Question 39

Innervation of the pharynx

Answer 39

Motor - Pharyngeal branches of vagus nerve | Sensory - glossopharyngeal

Question 40

What is the level of the esophagus?

Answer 40

Inferior border of cricoid cartilage at the C6 vertebrae

Question 41

Innervation of the esophagus

Answer 41

Recurrent laryngeal nerves and the cervical sympathetic trunk

Question 42

Arterial supply of the esophagus

Answer 42

Inferior thyroid artery