Neck

Question 0

Where is the hyoid located?

Answer 0

level of C3 vertebrae between the mandible and thyroid cartilage

Question 1

What forms the skeleton of the neck?

Answer 1

cervical vertebrae, hyoid bone, manubrium of the sternum, and clavicles

Question 2

What are the three layers of deep cervical fascia?

Answer 2

investing, pretracheal, and prevertebral

Question 3

What is contained in the suprasternal space?

Answer 3

inferior ends of the anterior jugular veins and the jugular venous arch

Question 4

What is contained in the carotid sheath?

Answer 4

common and internal carotid artery, vagus nerve, internal jugular vein, carotid sinus nerve, and sympathetic nerve fibers

Question 5

What is the function of the retropharyngeal space?

Answer 5

permits movement of the pharynx, esophagus, larynx, and trachea during swallowing

Question 6

What is the largest and most clinically important interfascial space in the neck? Why?

Answer 6

retropharyngeal space

major pathway for the spread of infection

Question 7

What are the four major regions of the neck?

Answer 7

SCM region, posterior cervical region, lateral cervical region, and anterior cervical region

Question 8

What divides each side of the neck into anterior and lateral cervical regions?

Answer 8

SCM

Question 9

What separates the two heads of the SCM?

Answer 9

lesser supraclavicular fossa

Question 10

What makes up the suprahyoid muscles?

Answer 10

mylohyoid, geniohyoid, stylohyoid, and digastric muscles

Question 11

What makes up the superficial plane of infrahyoid muscles?

Answer 11

sternohyoid and omohyoid

Question 12

What makes up the deep plane of infrahyoid muscles?

Answer 12

sternothyroid and thryohyoid

Question 13

What makes up the carotid system of arteries?

Answer 13

common carotid artery and internal and external carotid arteries

Question 14

What are the veins of the anterior cervical region?

Answer 14

IJV and the anterior jugular veins

Question 15

What is contained in the carotid sheath?

Answer 15

common carotid artery, IJV, and vagus nerve

Question 16

What innervates the carotid sinus?

Answer 16

glossopharyngeal nerve (CN IX)

Question 17

What is the function of the carotid sinus?

Answer 17

acts as baroreceptor stimulated by increases in arterial blood pressure

Question 18

What is the function of the carotid body?

Answer 18

acts as chemoreceptor stimulated by low levels of oxygen and increases rate and depth of respiration, cardiac rate, and BP

Question 19

What are the terminal branches of the external carotid artery?

Answer 19

maxillary and superficial temporal

Question 20

What are the branches of the external carotid artery?

Answer 20

superior thyroid, ascending pharyngeal, lingual, facial, occiptal, and posterior auricular

Question 21

What is the only medial branch of the external carotid artery?

Answer 21

ascending pharyngeal

Question 22

From where does the IJV drain blood?

Answer 22

brain, anterior face, cervical viscera, and deep muscles of the neck

Question 23

What forms the brachiocephalic vein?

Answer 23

union of IJV and subclavian

Question 24

The IJV is a direct continuation of what?

Answer 24

sigmoid sinus

Question 25

What makes up the prevertebral muscles?

Answer 25

longus colli and capitis, rectus capitis anterior, and anterior scalene muscles

Question 26

What makes up the lateral vertebral muscles?

Answer 26

rectus capitis lateralis, splenius capitis, levator scapulae, and middle and middle and posterior scalenes

Question 27

What is the anterior border of the anterior cervical region?

Answer 27

median line of neck

Question 28

What is the posterior border of the anterior cervical region?

Answer 28

anterior border of SCM

Question 29

What is the superior border of the anterior cervical region?

Answer 29

inferior border of mandible

Question 30

What is the inferior border of the anterior cervical region?

Answer 30

superior sternum

Question 31

What is the roof of the anterior cervical region?

Answer 31

subcutaneous tissue; platysma

Question 32

What is the floor of the anterior cervical region?

Answer 32

pharynx, larynx, and thyroid gland

Question 33

What are the three parts of the pharynx?

Answer 33

nasopharynx, oropharnyx, and laryngopharynx

Question 34

Where is the nasopharynx located?

Answer 34

posterior to the nose and superior to the soft palate

Question 35

Where is the oropharynx located?

Answer 35

posterior to the mouth

Question 36

Where is the laryngopharynx located?

Answer 36

posterior to the larynx

Question 37

What are the borders of the oropharynx?

Answer 37

soft palate superiorly; base of tongue inferiorly

Question 38

At what level is the laryngopharynx located?

Answer 38

C4-C6 vertebrae

Question 39

What are the extracranial branches of the facial nerve?

Answer 39

temporal, zygomatic, buccal, marginal mandibular, cervical, and posterior auricular

Question 40

What are the motor nerves of the face?

Answer 40

facial nerve (facial expression) and mandibular nerve (mastication)

Question 41

What are the branches of the opthalmic nerve?

Answer 41

lacrimal, supraorbital, supratrochlear, infratrochlear, and external nasal

Question 42

What are the branches of the maxillary nerve?

Answer 42

infraoribital, zygomaticotemporal, and zygomaticofacial

Question 43

What are the cutaneous branches of the mandibular nerve?

Answer 43

auriculotemporal, buccal, and mental, inferior alveolar, and lingual