pharynx

Question 1

between pharynx and vertebral column posteriorly

Answer 1

retropharyngeal space

Question 2

between nasopharynx and oropharynx

Answer 2

pharyngeal isthmus

Question 3

3 subdivisions of pharynx

Answer 3

1. nasopharynx
2. oropharynx
3. laryngopharynx

Question 4

nasopharynx is superior to

Answer 4

soft palate (and pharyngeal isthmus)

Question 5

opening in front of nasopharynx

Answer 5

choanae

Question 6

opening in front of oropharynx

Answer 6

oropharyngeal isthmus

Question 7

opening in front of laryngopharynx

Answer 7

laryngeal inlet

Question 8

what two bones are on the roof and posterior wall of nasopharynx

Answer 8

sphenoid and occipital

Question 9

whats between the nasopharynx and oropharynx

Answer 9

pharyngeal isthmus

Question 10

elevation posterior to the PT tube

Answer 10

torus tubarius

Question 11

posterior to torus tubarius

Answer 11

pharyngeal recess

Question 12

vertical fold of membrane covering a muscle that runs below the torus tubarius

Answer 12

salpingopharyngeal fold

Question 13

oropharynx is between

Answer 13

soft palate and base of tongue

Question 14

boundaries between oral cavity and oropharynx

Answer 14

palatoglossal arches and oropharyngeal isthmus

Question 15

laryngopharynx is between

Answer 15

epiglottis to top of esophagus

Question 16

collection of lymphoid tissues in the mucosa of pharynx surrounding openings of nasal and oral cavities

Answer 16

tonsils

Question 17

what are pharyngeal tonsils known as when enlarged

Answer 17

adenoids

Question 18

location of pharyngeal tonsil

Answer 18

midline on roof of nasopharynx

Question 19

location of palatine tonsil

Answer 19

each side of oropharynx, between palatoglossal and palatopharyngeal arches

Question 20

location of lingual tonsils

Answer 20

posterior 1/3 of tongue

Question 21

two side of pharyngeal wall join posteriorly to form what

Answer 21

pharyngeal raphe

Question 22

superior attachment of pharyngeal raphe

Answer 22

pharyngeal tubercle (of occipital bone)

Question 23

inferior attachment of pharyngeal raphe

Answer 23

posterior wall of esophagus ( at vertebra C6)

Question 24

attachment of pterygomandibular raphe

Answer 24

from pterygoid hamulus to retromolar fossa on mandible

Question 25

function of pterygomandibular raphe

Answer 25

join buccinator and superior constrictor mm

Question 26

constrictor muscles have __ direction

Answer 26

circular

Question 27

longitudinal muscles have ___ direction

Answer 27

vertical

Question 28

constrictor muscles have fascial linings. what are the types

Answer 28

internal - pharyngobasilar | external - buccopharyngeal

Question 29

constrictor mm are joined posteriorly to

Answer 29

pharyngeal raphe

Question 30

function of constrictor mm

Answer 30

constrict or narrow pharyngeal cavity

Question 31

what innervates constrictor mm

Answer 31

vagus n via pharyngeal plexus

Question 32

what passes through the gap between skull and superior constrictor m

Answer 32

- PT tube - levator veli palatini m - ascending pharyngeal a - ascending palatine a

Question 33

what passes through the gap between superior and middle constrictor mm and posterior border of mylohyoid m

Answer 33

- stylopharyngeus m - hyoglossus m - glossopharyngeal n - hypoglossal n - lingual a and v - ascending palatine a - stylohyoid ligament

Question 34

what passes through the gap between middle and inferior constrictor mm

Answer 34

- internal laryngeal n | - superior laryngeal a

Question 35

what passes below the inferior constrictor m to reach the larynx

Answer 35

- recurrent laryngeal n | - inferior laryngeal a

Question 36

what branches of ECA supply the upper part of the pharyngeal wall

Answer 36

- ascending pharyngeal a - facial a (ascending palatine a, tonsillar a) - maxillary a (pharyngeal a, a of the pterygoid canal) - lingual a

Question 37

what is the blood supply to the lower part of the pharyngeal wall

Answer 37

pharyngeal branches from inferior thyroid a (from subclavian a)

Question 38

what makes up the pharyngeal plexus

Answer 38

- vagus n (pharyngeal branch, superior laryngeal n, external laryngeal n) - glossopharyngeal n (pharyngeal branch)

Question 39

sensory innervation to nasopharynx

Answer 39

pharyngeal branch of max n

Question 40

sensory innervation to oropharynx

Answer 40

glossopharyngeal n

Question 41

sensory innervation to laryngopharynx

Answer 41

vagus n

Question 42

Function of salpingopharyngeal m

Answer 42

Open the orifice of the pt tube

Question 43

Boundary between oral cavity and oropharngeal isthmus

Answer 43

Palatoglossal arches

Question 44

Limits to the c shaped line of pharyngeal wall

Answer 44

- nasal cavities - posterior part of medial pterygiod plate - pt tube - Petrous part of temporal bone - pharyngeal tubercle of occipital bone

Question 45

What is posterior to pharyngeal raphe

Answer 45

Retropharyngeal space

Question 46

Two muscles that attach the oblique line of thyroid cartilage

Answer 46

Thyrohyoid m | Inferior constrictor m

Question 47

what two muscles are innervated by the external laryngeal n (CN 10)

Answer 47

- cricothyroid m | - inferior constrictor m