Neck and Larynx

Question 1

kah sound testing?

Answer 1

soft palate elevation, CNX

Question 2

la sound testing?

Answer 2

tongue function, CN XII hypoglossal

Question 3

ma sound testing?

Answer 3

opening mouth, CN VII buccal branch innervating orbicularis oris

Question 4

blood supply of larynx?

Answer 4

superior laryngeal artery and inferior laryngeal arteries, come off superior and inferior thyroid arteries

Question 5

posterior auricular, lesser occipital, transverse cervical, and accessory nerve make up what structure?

Answer 5

Erb’s point, for ansethesiologist

Question 6

acessory spinal nerve (CN XI) innervates what?

Answer 6

SCM and trapezius

Question 7

subclavian vein, phrenic nerve, vagus nerve, and sympathetic chain are _______ to the anterior scalene

Answer 7

anterior

Question 8

what structures run posterior to the anterior scalene?

Answer 8

subclavian artery and brachial plexus

Question 9

3 anterior branches off external carotid artery?

Answer 9

superior thyroid, lingual, facial arteries

Question 10

2 posterior branches off external carotid artery?

Answer 10

occipital, posterior auricular

Question 11

4 suprahyoid muscles?

Answer 11

mylohyoid, geniohyoid, stylohyoid, digastric

Question 12

innervation of mylohyoid?

Answer 12

CN V3

Question 13

innervation of geniohyoid?

Answer 13

C1 via hypoglossal nerve

Question 14

innervation of stylohyoid?

Answer 14

CN VII facial

Question 15

innervation of anterior digastric?

Answer 15

CN V3 (mandibular trigeminal)

Question 16

innervation of posterior digastric?

Answer 16

CN VII facial

Question 17

what innervates the 4 infrahyoid muscles?

Answer 17

ansa cervicalis, off C1/2/3

Question 18

in carotid sheath the internal carotid is _______, internal jugular vein _________, and vagus nerve posterior

Answer 18

medial, lateral

Question 19

massaging carotid sinus increased pressure in vessel, increasing parasympathetic outflow by way of CN _____ to reflexively cause CN _____ to slow heart

Answer 19

IX, X

Question 20

to place central line, push _____ medially and inject 45 degrees into jugular vein

Answer 20

carotid

Question 21

tumors of lower lip and tongue often metastasize to _______ lymph nodes

Answer 21

submental

Question 22

blood supply to thyroid gland?

Answer 22

superior thyroid artery (from external carotid) and inferior thyroid (from thyrocervical trunk)

Question 23

superior cervical ganglion at ____

Answer 23

C2

Question 24

sternothyroid, thyrohyoid, and inferior constrictor all attach to

Answer 24

thyroid cartilage

Question 25

site of attachment for vocal cords?

Answer 25

arytenoid cartilages

Question 26

intrinsic muscles of the larynx all innervated by ___________ except cricothyroid by external laryngeal

Answer 26

recurrent laryngeal nerve (CNX)

Question 27

only major abductor of vocal cords?

Answer 27

posterior cricoarytenoid muscles

Question 28

what muscle increases tension on vocal cords, for singing high notes?

Answer 28

cricothyroid

Question 29

the _________ helps close vestibule by pulling down the epiglottic cartilage

Answer 29

thyroepiglottic muscle

Question 30

mucosa of supraglottic cavity innervated by?

Answer 30

internal laryngeal nerve (CNX), branch of superior laryngeal

Question 31

mucosa of infraglottic cavity innervated by?

Answer 31

recurrent laryngeal, CNX

Question 32

vocal cord paralysis due to loss of ______ giving an easily fatiguing voice

Answer 32

superior laryngeal nerve