Pharynx

Question 1

where does the pharynx extend from?

Answer 1

skull base to inferior border of cricoid cartilage (C6)

Question 2

what are the 3 segments of pharynx

Answer 2

nasopharynx
oropharynx
laryngopharynx

Question 3

what are the borders of oropharynx

Answer 3

soft palate and epiglottis

Question 4

what are the borders of laryngopharynx

Answer 4

epiglottis to cricoid cartilage

Question 5

what is the inferior border of the nasopharynx

Answer 5

soft palate

Question 6

what is the connection between the pharynx and middle ear?

Answer 6

auditory tube orifice (eustachian or pharyngotympanic)

Question 7

what is the cartilage of the auditory tube?

Answer 7

torus tubarius

Question 8

what fold covers the salpingopharyngeus m

Answer 8

salpingopharyngeal fold

Question 9

what are the 5 structures of the nasopharynx

Answer 9

auditory tube
torus tubarius
pharyngeal recess
pharyngeal tonsil
salpingopharyngeal fold

Question 10

what is the groove along the lateral pharyngeal wall

Answer 10

pharyngeal recess

Question 11

what is in between the two palatine arches

Answer 11

palatine tonsil

Question 12

what covers the palatopharyngeus muscle

Answer 12

palatopharyngeal arch

Question 13

what are the 3 structures of the oropharynx

Answer 13

palatoglossal arch
palatopharyngeal arch
palatine tonsil

Question 14

what seals off oropharynx from nasopharynx when swallowing

Answer 14

palatopharyngeal sphincter

Question 15

what constrictor is the palaopharygneal sphincter in?

Answer 15

superior constrictor

Question 16

what are lateral gutters around thyroid cartilage?

Answer 16

piriform recess

Question 17

what does the recurrent laryngeal nerve innervate

Answer 17

larynx muscles

Question 18

what pierces thyrohyoid membrane

Answer 18

internal laryngeal n

Question 19

what muscle is part of the inferior pharyngeal constrictor muscles

Answer 19

cricopharyngeus muscle

Question 20

what bony landmark is relavent when determining inferior laryngeal vs recurrent laryngeal

Answer 20

cricothyroid joint

Question 21

what does thyrocervical trunk branch off of

Answer 21

subclavian

Question 22

what nerve is the motor for pharynx

Answer 22

CN X

Question 23

what is a gutter for saliva?

Answer 23

pharyngeoepiglottic fold

Question 24

what holds the Left and Right superior pharyngeal constrictor together

Answer 24

pharyngeal raphe

Question 25

what does the pharyngeal raphe attach to

Answer 25

pharyngeal tubercle

Question 26

what is the inferior extent of the inferior constrictor m

Answer 26

cricopharyngeus m

Question 27

what is superior to the cricopharyngeus m

Answer 27

esophageus

Question 28

what is sensory to the nasopharynx?

Answer 28

V2

Question 29

what is sensory to the oropharynx?

Answer 29

IX

Question 30

what is sensory to the larygnopharynx

Answer 30

X

Question 31

what does the stylopharyngeus m arise from?

Answer 31

styloid process

Question 32

what does the salpingopharyngeus m arise from?

Answer 32

auditory tube

Question 33

what muscle is the anterior extent between orocavity and oropharynx

Answer 33

palatoglossus m

Question 34

what makes up the tonsillar pillars?

Answer 34

palatopharyngeaus m | palatoglossus m

Question 35

what is the anterior border of nasopharynx?

Answer 35

chonae

Question 36

what is the anterior border of oropharynx?

Answer 36

palatoglossus m

Question 37

what are the 3 longitudinal muscles

Answer 37

palatopharyngeus stylopharyngeus salpingopharyngeus

Question 38

what are the actions of the constrictor muscles?

Answer 38

close down the opening

Question 39

what artery supplies pharynx?

Answer 39

ascending pharyngeal a ascending palatine a facial a

Question 40

what does CN X supply

Answer 40

motor to pharyngeal mm

Question 41

what does CN IX supply

Answer 41

motor to stylopharyngeus m and SENSORY to pharynx

Question 42

where does sympathetic nn come from

Answer 42

superior cervical ganglion

Question 43

what does loss of pharynx lead to?

Answer 43

dysphagia (difficulty swallowing)

Question 44

what does loss of sensory nn to pharynx lead to?

Answer 44

loss of gag reflex

Question 45

what does large adenoids obstruct?

Answer 45

air flow to nose to nasopharynx

Question 46

what are large pharyngeal tonsils referred as

Answer 46

adenoids

Question 47

what location is known for choking hazard in pharynx?

Answer 47

piriform recess

Question 48

what is underlying the mucosa at the piriform recess?

Answer 48

laryngeal nerves and vessels