Lecture 8- Pharynx and Larynx

Question 1

Name the 3 parts of the pharynx from superior to inferior.

Answer 1

Nasopharynx
Oropharynx
Laryngopharynx

Question 2

What are the borders of the nasopharynx?

Answer 2

roof of the nasal cavity (sphenoid bone)

soft palate

Question 3

What are the borders of oropharynx?

Answer 3

soft palate

top of epiglottis

Question 4

What are the borders of the laryngopharynx?

Answer 4

top of epiglottis

esophagus

Question 5

Where does the pharyngeal raphe? What bone is this located on?

Answer 5

pharyngeal tubercle

occipital

Question 6

What is the area where the pharygeal muscles come together posteriorly?

Answer 6

pharyngeal raphe

Question 7

What is the innervation of the pharyngeal constrictors?

Answer 7

pharyngeal plexus (IX and X)

Question 8

What is the vestibular fold also called?

Answer 8

false vocal cord

Question 9

What is the vocal fold also called?

Answer 9

true vocal cord

Question 10

Which structure is more superior: the true or false vocal folds?

Answer 10

false vocal fold (vestibular fold) is more superior

Question 11

What is the region superior tot he false (vestibular) vocal fold known as?

Answer 11

vestibule/supraglottic cavitiy

Question 12

What is the region inferior to the true vocal fold known as?

Answer 12

infraglottic cavity

Question 13

What is another name for the supraglottic cavity?

Answer 13

(laryngeal) vestible

Question 14

What is the anatomical term for the adam’s apple?

Answer 14

laryngeal prominence

Question 15

Where does the epiglottic cartilage attach?

Answer 15

to the thyroid cartilage

Question 16

How is the epiglottis closed during swallowing?

Answer 16

cartilages move up and it is passively closed by the mouth

Question 17

Name the 3 sets of paired cartilages in the larynx.

Answer 17

2 arytenoid cartilages
2 corniculate cartilages
2 cuniform cartilages

Question 18

What are the names for the pockets on either side of the hypo-eptiglottic ligament that can catch food?

Answer 18

vallecule

Question 19

What is the name for the ligament that runs from the vocal ligament (true vocal folds) to the criothyroid ligament)?

Answer 19

cricothyroid ligament (conus elasticus)

Question 20

What are the attachments of the quadrangular membrane?

Answer 20

epiglottis to false vocal cords (vestibular folds)

Question 21

What is the name for the vocal aperture?

Answer 21

rimma glottidis

Question 22

What provides motor innervation for the laryngeal muscles?

Answer 22

Recurrent laryngeal nerve from vagus (CN X)

except the Cricothyroid which is innervated by the external branch of the superior laryngeal nerve

Question 23

What nerve innervates the cricothyroid muscle?

Answer 23

recurrent laryngeal nerve of the vagus (CN X)

Question 24

What pharyngeal arch does the larynx develop from?

Answer 24

arches 4&6

Question 25

What nerve carries sensation from the larynx (GSA) fibers?

Answer 25

above the vocal fold- superior laryngeal nerve

below the vocal fold- recurrent laryngeal nerve

Question 26

What muscles are continuous with the oblique arytenoids and act to close the epiglottis?

Answer 26

aryepiglotticus

Question 27

What is the laryngeal muscle that abducts the vocal fold?

Answer 27

posterior cricoarytenoid