Pharynx

Question 1

name the 3 parts of the pharynx

Answer 1

nasopharynx
oropharynx
laryngopharynx

Question 2

location of pharynx

Answer 2

• cranial base to inferior border of cricoid cartilage/inferior border of C6
• connects with esophagus

Question 3

what are choanae (sing. concha)?

Answer 3

paired openings between nasal cavity and pharynx

Question 4

the pharyngotympanic tube is also known as…

Answer 4

• auditory tube
• eustachian tube

Question 5

what is the name of the fold that creates the orifice of the pharyngotympanic tube?

Answer 5

salpingopharyngeal fold (salpingopharyngeus muscle)

Question 6

torus tubarus is also known as ____

Answer 6

torus of pharyngotympanic tube

Question 7

what is the space behind the salpingopharyngeal fold called?

Answer 7

pharyngeal recess

Question 8

the palatine tonsillar bed is located between what 2 structures?

Answer 8

palatoglossal fold & palatopharyngeal fold

Question 9

name the 3 types of deglutition

Answer 9

• voluntary
• involuntary + rapid
• involuntary

Question 10

what occurs during voluntary deglutition?

Answer 10

bolus against palate pushed into oropharynx by muscles of tongue and soft palate

Question 11

what occurs during involuntary & rapid deglutition?

Answer 11

• soft palate is elevated
• pharynx widens & shortens elevating the larynx

Question 12

deglutition means ____

Answer 12

swallowing

Question 13

which muscles are involved when the pharynx widens & shortens elevating the larynx?

Answer 13

suprahyoid mm
longitudinal pharyngeal mm

Question 14

what occurs during involuntary deglutition?

Answer 14

pharyngeal constrictors sequentially contract to force bolus inferiorly to esophagus

Question 15

the laryngopharynx is located in the area of what vertebral bodies?

Answer 15

C4-C6

Question 16

the laryngopharynx communicates with the larynx through the ____

Answer 16

laryngeal inlet

Question 17

location & contents of piriform recess

Answer 17

• depression on either side of laryngeal inlet
• contains internal laryngeal n

Question 18

name the circular pharyngeal muscles

Answer 18

superior, middle, inferior pharyngeal constrictors

Question 19

name the longitudinal pharyngeal muscles

Answer 19

• palatopharyngeus
• salpingopharyngeus
• stylopharyngeus

Question 20

what nerve runs over and innervates the stylopharyngeus muscle?

Answer 20

CN IX: glossopharyngeal

Question 21

what is the action of the longitudinal pharyngeal muscles?

Answer 21

elevate (shorten & widen) pharynx & larynx during swallowing & speaking

Question 22

what nerve innervates the pharyngeal constrictor muscles, palatopharyngeus, and salpingopharyngeus?

Answer 22

CN X: vagus

Question 23

the internal fascia of the pharynx is called ____

Answer 23

pharyngobasilar fascia

Question 24

the external fascia of the pharynx is called ____

Answer 24

buccopharyngeal fascia

Question 25

buccopharyngeal fascia blends with ____

Answer 25

pretracheal fascia

Question 26

what structures separate superior and middle pharyngeal constrictors?

Answer 26

stylopharyngeus & glossopharyngeal n

Question 27

what structures separate middle and inferior pharyngeal constrictors?

Answer 27

internal laryngeal n & superior laryngeal a

Question 28

what separates buccinator and superior pharyngeal constrictor muscles?

Answer 28

pterygomandibular raphe