Pharynx

Question 1

Pharynx conducts food to the _______ and air to the _______.

Answer 1

Esophagus

Larynx

Question 2

Pharynx considered to be part of what systems

Answer 2

Digestive and respiratory

Question 3

Pharynx extends from ________ to _________.

Answer 3

Base of skull

Inferior border of cricoid cartilage

Question 4

Pharynx lies posterior to what 3 structures

Answer 4

Nasal cavity
Oral cavity
Larynx

Question 5

3 parts of pharynx

Answer 5

Nasopharynx
Oropharynx
Laryngopharynx

Question 6

Nasopharynx location

Answer 6

Posterior to nasal cavity

Question 7

Oropharynx location

Answer 7

Posterior to oral cavity

Question 8

Laryngopharynx location

Answer 8

Posterior to larynx

Question 9

Nasopharynx communicated with nasal cavity through

Answer 9

Choanae

Question 10

Nasopharynx communicated with oropharynx through

Answer 10

Pharyngeal isthmus

Question 11

During swallowing, pharyngeal isthmus is

Answer 11

Closed

Question 12

Boundaries of nasopharynx

Answer 12

Roof of pharynx
Soft palate
Posterior border or inferior nasal concha
Posterior wall of pharynx

Question 13

Pharyngeal tonsils AKA

Answer 13

Adenoids

Question 14

Pharyngeal tonsils embedded in

Answer 14

Posterior wall of nasopharynx

Question 15

What tube opens into lateral wall of nasopharynx

Answer 15

Pharyngotympanic tube

Question 16

Cartilaginous structure above opening to pharyngotympanic tube

Answer 16

Torus tubarius

Question 17

Pharyngotympanic tube connects nasopharynx to

Answer 17

Middle ear

Question 18

Pharyngotympanic tube function

Answer 18

Equalizes pressure between nasopharynx and tympanic cavity

Question 19

Small tonsil embedded in torus tubarius

Answer 19

Tubal tonsil

Question 20

Salpingopharyngeal fold location

Answer 20

From torus tubarius to wall of pharynx

Question 21

Muscle deep to salpingopharyngeal fold

Answer 21

Salpingopharyngeus

Question 22

Boundaries of oropharynx

Answer 22

Soft palate
Superior border of epiglottis
Palatoglossal fold
Posterior wall of pharynx

Question 23

Oropharynx lies at what vertebral level

Answer 23

C2-C3

Question 24

Oropharynx communicates with oral cavity via

Answer 24

Oropharyngeal isthmus

Question 25

Oropharyngeal isthmus bounded by

Answer 25

Palatoglossal folds

Question 26

Tonsils located in oropharynx

Answer 26

Palatine tonsils

Question 27

Palatine tonsils located between what two folds

Answer 27

Palatoglossal fold | Palatopharyngeal fold

Question 28

Palatoglossal fold runs from ____ to _____.

Answer 28

Soft palate to tongue

Question 29

Palatopharyngeal fold runs from ____ to _____.

Answer 29

Soft palate to wall of pharynx

Question 30

Space between palatoglossal and palatopharyngeal folds

Answer 30

Tonsillar fossa— may contain palatine tonsils

Question 31

Tonsillar ring

Answer 31

Circular arrangement of tonsils around oropharynx

Question 32

Tonsils included in tonsillar ring

Answer 32

Lingual Palatine Tubal Pharyngeal

Question 33

Boundaries of laryngopharynx

Answer 33

Superior epiglottis Lower cricoid cartilage Posterior larynx Posterior pharynx

Question 34

Laryngeal inlet

Answer 34

Opening into larynx

Question 35

Laryngeal inlet location

Answer 35

Laryngopharynx

Question 36

Piriform fossa

Answer 36

Recess in anterior wall of laryngopharynx | On either side of laryngeal inlet

Question 37

Muscles of external layer of pharynx

Answer 37

Inferior constrictor Middle constrictor Superior constrictor

Question 38

External layer of pharyngeal muscles function

Answer 38

Contract pharynx during swallowing

Question 39

Innervation of external layer of pharyngeal muscles

Answer 39

Vagus nerve via pharyngeal plexus **inferior constrictor also innervated by external laryngeal nerve**

Question 40

Inferior constrictor muscle innervation

Answer 40

Vagus nerve via pharyngeal plexus AND external laryngeal nerve

Question 41

Palatopharyngeal sphincter

Answer 41

Specialized band of muscle form by superior constrictor

Question 42

Palatopharyngeal sphincter function

Answer 42

Helps seal pharyngeal isthmus during swallowing

Question 43

Pharyngeal muscles of longitudinal layer

Answer 43

Stylopharyngeus Palatopharyngeus Salpingopharyngeus

Question 44

Longitudinal layer of pharyngeal muscles innervation

Answer 44

Vagus nerve via pharyngeal plexus **EXCEPT stylopharyngeus= glossopharyngeal nerve**

Question 45

Stylopharyngeus muscle innervation

Answer 45

Glossopharyngeal nerve

Question 46

Longitudinal layer of pharyngeal muscles action

Answer 46

Elevate pharynx Palatopharyngeus also narrows oropharynx Salpingopharyngeus also opens pharyngotympanic tube

Question 47

Pharyngeal plexus lies on what muscle

Answer 47

Middle constrictor

Question 48

3 parts of pharyngeal plexus

Answer 48

Pharyngeal branch of vagus Pharyngeal branch of glossopharyngeal Sympathetic fibers from superior cervical ganglion

Question 49

Arteries of pharynx

Answer 49

Ascending pharyngeal artery | Maxillary artery

Question 50

Buccopharyngeal fascia

Answer 50

Surrounds pharynx external to muscles of pharynx Continuous w/ pretracheal fascia

Question 51

Pharyngobasilar fascia

Answer 51

Lies internal to muscles and external to mucosa of pharynx

Question 52

Retropharyngeal space

Answer 52

Potential space between buccopharyngeal fascia and prevertebral fascia

Question 53

Retropharyngeal space permits

Answer 53

Free movement of pharynx and esophagus during swallowing