Ch. 18 Pharynx

Question 1

Part of the digestive and respiratory system located posterior to the nasal cavity, oral cavity and larynx

Answer 1

pharynx

Question 2

Pharynx is about ___ in length.

Answer 2

12 cm

Question 3

Pharynx extends from the ___ to the ___

Answer 3

Base of the skull inferiorly; cricoid cartilage

Question 4

Cricoid cartilage lies at ___

Answer 4

CV6

Question 5

At the cricoid cartilage at CV6 the pharynx becomes continuous with the

Answer 5

esophagus

Question 6

3 parts of the pharynx

Answer 6

Nasopharynx
Oropharynx
Laryngopharynx

Question 7

Part of the pharynx posterior to the nasal cavity

Answer 7

nasopharynx

Question 8

Part of the pharynx posterior to the oral cavity

Answer 8

oropharynx

Question 9

Part of the pharynx behind the larynx

Answer 9

Laryngopharynx

Question 10

Nasopharynx opens to the nasal cavity at the ___

Answer 10

choanae

Question 11

bony aperture located at the junction of the nasal cavity and nasopharynx

Answer 11

choanae

Question 12

Form a continuous sloping surface that lies under the body of the sphenoid and basilar part of the occipital bone

Answer 12

Roof and posterior wall of the nasopharynx

Question 13

Mass of lymphoid tissue embedded in the mucous membrane in the nasopharynx

Answer 13

pharyngeal tonisl

Question 14

Pharyngeal tonsils are also called _____ which when enlarged may cause respiratory obstruction

Answer 14

adenoids

Question 15

Lateral wall of the nasopharynx is characterized bt the ___

Answer 15

pharyngeal opening of the auditory tube

Question 16

1.5 cm posterior to the inferior nasal conchae

Answer 16

pharyngeal opening of the auditory tube

Question 17

Two other names for the auditory tube

Answer 17

Eustachian tube or pharyngotympanic tube

Question 18

The auditory tube is ___ long and connects the _____ with the ___

Answer 18

3.5 cm, tympanic cavity of the middle ear with the nasopharynx

Question 19

Anterior-medial two thirds of the eustachian tube is composed of

Answer 19

elastic cartilage

Question 20

the posterior lateral third of the Eustachian tube is ___

Answer 20

bony

Question 21

The cartilaginous part of the pharyngotympanic tube remains collapsed because ___

Answer 21

it’s elastic tissue

Question 22

pharyngotympanic tube opens during swalllowing, yawning, and when pressure exists between that of the ___ and the ___

Answer 22

tympanic cavity and the atmospheric pressure.

Question 23

When the tube opens what can be heard?

Answer 23

a small click

Question 24

Medial end of the cartilaginous part of the pharyngotympanic tube projects into the ____ _ on the lateral wall just superior to the opening of the _____

Answer 24

nasopharynx, auditory tube

Question 25

medial end of the cartilaginous part of the pharyngotymapnic tube

Answer 25

torus tubarius

Question 26

The three mucous membrane folds that extend from the torus tubarius

Answer 26

salpingopalatine fold salpingopharyngeal fold torus levatorius

Question 27

mucous membrane fold extending from the torus to the soft palate

Answer 27

salpingopalatine fold

Question 28

mucous membrane fold extending from the torus to the lateral wall of the pharynx

Answer 28

salpingopharyngeal fold

Question 29

mucous membrane fold between the two folds extending from the mouth of the tube to the soft palate

Answer 29

torus levatorius

Question 30

Each of these folds of mucous membranes exist because of the presence of:

Answer 30

a muscle housed by the fold

Question 31

portion of the nasopharynx posterior to the torus

Answer 31

pharyngeal recess

Question 32

lymphoid tissues are sometimes found in the

Answer 32

pharyngeal recess (tubal tonsil)

Question 33

nasopharynx communicates with the oropharynx via the ___

Answer 33

pharyngeal isthmus

Question 34

pharyngeal isthmus is bounded by the ____ anteriorly

Answer 34

soft palate

Question 35

pharyngeal isthmus is bound by the ___ posteriorly

Answer 35

wall of the pharynx

Question 36

Part of the pharynx posterior to the oral cavity

Answer 36

oropharynx

Question 37

Oropharynx is continuous with the oral cavity by the ___

Answer 37

oropharyngeal isthmus

Question 38

Superior boundary of the oropharynx

Answer 38

soft palate

Question 39

Inferior boundary of the oropharynx

Answer 39

tongue

Question 40

Lateral boundary of the oropharynx

Answer 40

the pillars of fauces

Question 41

A fold of mucous membrane extending from the palate to the side of the tongue

Answer 41

anterior pillar of the fauces (palatoglossal arch)

Question 42

the anterior pillar of the fauces contains

Answer 42

palatoglossus muscle

Question 43

Pillar extending from the soft palate to the lateral side of the pharynx

Answer 43

Posterior pillar of fauces (palatopharyngeal arch)

Question 44

posterior pillar of fauces contains

Answer 44

palatopharyngeus muscle

Question 45

Between the two pillars of fauces is the ___

Answer 45

tonsillar bed.

Question 46

____ lies in the tonsillar bed

Answer 46

Palatine tonsil

Question 47

A collection of lymphoid tissue under the mucous membrane of the oropharynx

Answer 47

palatine tonsil

Question 48

extends from the upper border of the epiglottis to the cricoid cartilage, where it becomes continuous with the esophagus

Answer 48

Laryngopharynx (AKA hypo pharynx)

Question 49

Lies posterior to the larynx

Answer 49

laryngopharynx

Question 50

On either side of the larynx lies the ___

Answer 50

piriform recess

Question 51

During swallowing, a bolus of food is usually deviated ___ by the epiglottis into one of both food channels.

Answer 51

laterally

Question 52

Lateral food canals that fill with food during swallowing

Answer 52

piriform recesses.

Question 53

Which two vessels course under the mucous membrane in each piriform recess?

Answer 53

superior laryngeal artery | internal laryngeal nerve

Question 54

Layers of the pharyngeal wall

Answer 54

Mucous membrane Fibrous layer Muscular layer Fascial layer Mother fucking mother fucker

Question 55

The mucous membrane lining the internal surface of the pharynx is continuous with the mucous membrane lining the _____

Answer 55

nasal cavity, oral cavity and larynx.

Question 56

Mucous membrane is also continuous with the mucous membrane that is found in the ___

Answer 56

mucous membrane of the auditory tube