Pharynx

Question 1

pharynx

Answer 1

base of skull - CV6

Question 2

nasopharynx

Answer 2

posterior to nasal cavities

Question 3

oropharynx

Answer 3

posterior to oral cavity

Question 4

laryngopharynx

Answer 4

posterior to larynx

Question 5

communications of pharynx

Answer 5

2 nasal cavities
2 tympanic cavities - via auditory tube
oral cavity
larynx
esophagus

Question 6

pharyngeal recess

Answer 6

posterior superior wall of nasopharynx

Question 7

pharyngeal tonsil

Answer 7

within pharyngeal recess

Question 8

adenoids

Answer 8

enlarged inflamed pharyngeal tonsils

-can obstruct nasopharynx - breathing difficulty

Question 9

tubal tonsil

Answer 9

near opening of auditory tube

-inflammation - impair hearing

Question 10

torus tubaris

Answer 10

mucosa prominence by cartilage of auditory tube

Question 11

salpingopharyngeal fold

Answer 11

fold over salpingopharyngeus muscle

Question 12

levator pad

Answer 12

mucosa over levator veli palatine muscle

Question 13

palatoglossal arch

Answer 13

mucosa over palatoglossus muscle

Question 14

palatoglossus muscle

Answer 14

vagus n

pulls tongue and soft palate together
-close fauces

Question 15

palatopharyngeal arch

Answer 15

mucosa over palatopharyngeus muscle

Question 16

palatopharyngeus muscle

Answer 16

vagus n

swallowing

Question 17

tonsillar bed

Answer 17

between palatoglossal and palatopharyngeal folds

• formed by supeiror constrictor
• hyoglossus
• middle constrictor

Question 18

palatine tonsil

Answer 18

within tonsillar bed

Question 19

epiglottic vallecula

Answer 19

between epiglottis and posterior tongue
-formed by median and lateral glossoepiglottic folds

food can lodge here with dysphagia

Question 20

laryngeal inlet

Answer 20

anterior communication with larynx

Question 21

piriform recess

Answer 21

depression lateral to larynx

the internal branch of superior laryngeal nerve runs underneath it***

Question 22

pharyngobasilar fascia

Answer 22

internal - lines muscles of pharynx

Question 23

buccopharyngeal fascia

Answer 23

external - covers muscles of pharynx

Question 24

muscles of pharynx

Answer 24

S/M/I constrictors
stylopharyngeus
salpingopharyngeus
palatopharyngeus

Question 25

innervation of constrictor muscles

Answer 25

vagus via pharyngeal plexus

Question 26

stylopharyngeus

Answer 26

styloid to thyroid
-swallowing

CN IX *** (3rd arch)

Question 27

salpingopharyngeus

Answer 27

auditory tube to thyroid
-swallowing

CN X

Question 28

palatopharyngeus

Answer 28

palates to thyroid
-swallowing

CN X

Question 29

swallowing

Answer 29

thyroid pulled up to epiglottis

-closed laryngeal inlet

Question 30

gaps in pharyngeal wall

Answer 30

overlapping constrictor muscles leave gaps

Question 31

gap 1

Answer 31

skull to superior constrictor

• passage of:
• levator veli palatini and auditory tube

Question 32

gap 2

Answer 32

between superior and middle constrictor

• passage of:
• stylopharyngeus
• glossopharyngeal n.

Question 33

gap 3

Answer 33

between middle constrictor and inferior constrictor

• passage of:
• internal laryngeal n.
• superior laryngeal a.

thyrohyoid membrane**

Question 34

gap 4

Answer 34

between inferior constrictor and esophagus

• passage of:
• recurrent laryngeal a. and n.

Question 35

vasculature of pharynx

Answer 35

superior thyroid a

ascending pharyngeal a

Question 36

pharyngeal plexus of veins

Answer 36

to internal jugular vein

Question 37

pharyngeal nerve plexus

Answer 37

SVE and GVE-P - vagus
GVA - glossopharyngeal n.
sympathetic - cervical sympathetic chain

Question 38

gag reflex

Answer 38

afferent - glossopharyngeal n
efferent - vagus

in by 9, out by 10

Question 39

stylopharyngeus innervation

Answer 39

glossopharyngeal n

Question 40

lymph of pharynx

Answer 40

retropharyngeal lymph nodes

deep cervical lymph nodes