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Anatomy > Ch. 18 Pharynx > Flashcards

Ch. 18 Pharynx Flashcards

1
Q

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

A

pharynx

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2
Q

Pharynx is about ___ in length.

A

12 cm

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3
Q

Pharynx extends from the ___ to the ___

A

Base of the skull inferiorly; cricoid cartilage

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4
Q

Cricoid cartilage lies at ___

A

CV6

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5
Q

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

A

esophagus

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6
Q

3 parts of the pharynx

A

Nasopharynx
Oropharynx
Laryngopharynx

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7
Q

Part of the pharynx posterior to the nasal cavity

A

nasopharynx

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8
Q

Part of the pharynx posterior to the oral cavity

A

oropharynx

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9
Q

Part of the pharynx behind the larynx

A

Laryngopharynx

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10
Q

Nasopharynx opens to the nasal cavity at the ___

A

choanae

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11
Q

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

A

choanae

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12
Q

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

A

Roof and posterior wall of the nasopharynx

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13
Q

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

A

pharyngeal tonisl

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14
Q

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

A

adenoids

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15
Q

Lateral wall of the nasopharynx is characterized bt the ___

A

pharyngeal opening of the auditory tube

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16
Q

1.5 cm posterior to the inferior nasal conchae

A

pharyngeal opening of the auditory tube

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17
Q

Two other names for the auditory tube

A

Eustachian tube or pharyngotympanic tube

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18
Q

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

A

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

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19
Q

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

A

elastic cartilage

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20
Q

the posterior lateral third of the Eustachian tube is ___

A

bony

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21
Q

The cartilaginous part of the pharyngotympanic tube remains collapsed because ___

A

it’s elastic tissue

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22
Q

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

A

tympanic cavity and the atmospheric pressure.

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23
Q

When the tube opens what can be heard?

A

a small click

24
Q

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

A

nasopharynx, auditory tube

25
Q

medial end of the cartilaginous part of the pharyngotymapnic tube

A

torus tubarius

26
Q

The three mucous membrane folds that extend from the torus tubarius

A

salpingopalatine fold
salpingopharyngeal fold
torus levatorius

27
Q

mucous membrane fold extending from the torus to the soft palate

A

salpingopalatine fold

28
Q

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

A

salpingopharyngeal fold

29
Q

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

A

torus levatorius

30
Q

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

A

a muscle housed by the fold

31
Q

portion of the nasopharynx posterior to the torus

A

pharyngeal recess

32
Q

lymphoid tissues are sometimes found in the

A

pharyngeal recess (tubal tonsil)

33
Q

nasopharynx communicates with the oropharynx via the ___

A

pharyngeal isthmus

34
Q

pharyngeal isthmus is bounded by the ____ anteriorly

A

soft palate

35
Q

pharyngeal isthmus is bound by the ___ posteriorly

A

wall of the pharynx

36
Q

Part of the pharynx posterior to the oral cavity

A

oropharynx

37
Q

Oropharynx is continuous with the oral cavity by the ___

A

oropharyngeal isthmus

38
Q

Superior boundary of the oropharynx

A

soft palate

39
Q

Inferior boundary of the oropharynx

40
Q

Lateral boundary of the oropharynx

A

the pillars of fauces

41
Q

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

A

anterior pillar of the fauces (palatoglossal arch)

42
Q

the anterior pillar of the fauces contains

A

palatoglossus muscle

43
Q

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

A

Posterior pillar of fauces (palatopharyngeal arch)

44
Q

posterior pillar of fauces contains

A

palatopharyngeus muscle

45
Q

Between the two pillars of fauces is the ___

A

tonsillar bed.

46
Q

____ lies in the tonsillar bed

A

Palatine tonsil

47
Q

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

A

palatine tonsil

48
Q

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

A

Laryngopharynx (AKA hypo pharynx)

49
Q

Lies posterior to the larynx

A

laryngopharynx

50
Q

On either side of the larynx lies the ___

A

piriform recess

51
Q

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

52
Q

Lateral food canals that fill with food during swallowing

A

piriform recesses.

53
Q

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

A

superior laryngeal artery

internal laryngeal nerve

54
Q

Layers of the pharyngeal wall

A

Mucous membrane
Fibrous layer
Muscular layer
Fascial layer

Mother fucking mother fucker

55
Q

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

A

nasal cavity, oral cavity and larynx.

56
Q

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

A

mucous membrane of the auditory tube

Anatomy (17 decks)

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