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Gross II > Pharynx > Flashcards

Pharynx Flashcards

1
Q

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

A

Esophagus

Larynx

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2
Q

Pharynx considered to be part of what systems

A

Digestive and respiratory

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3
Q

Pharynx extends from ________ to _________.

A

Base of skull

Inferior border of cricoid cartilage

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4
Q

Pharynx lies posterior to what 3 structures

A

Nasal cavity
Oral cavity
Larynx

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5
Q

3 parts of pharynx

A

Nasopharynx
Oropharynx
Laryngopharynx

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6
Q

Nasopharynx location

A

Posterior to nasal cavity

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7
Q

Oropharynx location

A

Posterior to oral cavity

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8
Q

Laryngopharynx location

A

Posterior to larynx

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9
Q

Nasopharynx communicated with nasal cavity through

A

Choanae

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10
Q

Nasopharynx communicated with oropharynx through

A

Pharyngeal isthmus

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11
Q

During swallowing, pharyngeal isthmus is

A

Closed

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12
Q

Boundaries of nasopharynx

A

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

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13
Q

Pharyngeal tonsils AKA

A

Adenoids

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14
Q

Pharyngeal tonsils embedded in

A

Posterior wall of nasopharynx

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15
Q

What tube opens into lateral wall of nasopharynx

A

Pharyngotympanic tube

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16
Q

Cartilaginous structure above opening to pharyngotympanic tube

A

Torus tubarius

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17
Q

Pharyngotympanic tube connects nasopharynx to

A

Middle ear

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18
Q

Pharyngotympanic tube function

A

Equalizes pressure between nasopharynx and tympanic cavity

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19
Q

Small tonsil embedded in torus tubarius

A

Tubal tonsil

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20
Q

Salpingopharyngeal fold location

A

From torus tubarius to wall of pharynx

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21
Q

Muscle deep to salpingopharyngeal fold

A

Salpingopharyngeus

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22
Q

Boundaries of oropharynx

A

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

23
Q

Oropharynx lies at what vertebral level

24
Q

Oropharynx communicates with oral cavity via

A

Oropharyngeal isthmus

25
Q

Oropharyngeal isthmus bounded by

A

Palatoglossal folds

26
Q

Tonsils located in oropharynx

A

Palatine tonsils

27
Q

Palatine tonsils located between what two folds

A

Palatoglossal fold

Palatopharyngeal fold

28
Q

Palatoglossal fold runs from ____ to _____.

A

Soft palate to tongue

29
Q

Palatopharyngeal fold runs from ____ to _____.

A

Soft palate to wall of pharynx

30
Q

Space between palatoglossal and palatopharyngeal folds

A

Tonsillar fossa— may contain palatine tonsils

31
Q

Tonsillar ring

A

Circular arrangement of tonsils around oropharynx

32
Q

Tonsils included in tonsillar ring

A

Lingual
Palatine
Tubal
Pharyngeal

33
Q

Boundaries of laryngopharynx

A

Superior epiglottis
Lower cricoid cartilage
Posterior larynx
Posterior pharynx

34
Q

Laryngeal inlet

A

Opening into larynx

35
Q

Laryngeal inlet location

A

Laryngopharynx

36
Q

Piriform fossa

A

Recess in anterior wall of laryngopharynx

On either side of laryngeal inlet

37
Q

Muscles of external layer of pharynx

A

Inferior constrictor
Middle constrictor
Superior constrictor

38
Q

External layer of pharyngeal muscles function

A

Contract pharynx during swallowing

39
Q

Innervation of external layer of pharyngeal muscles

A

Vagus nerve via pharyngeal plexus

inferior constrictor also innervated by external laryngeal nerve

40
Q

Inferior constrictor muscle innervation

A

Vagus nerve via pharyngeal plexus AND external laryngeal nerve

41
Q

Palatopharyngeal sphincter

A

Specialized band of muscle form by superior constrictor

42
Q

Palatopharyngeal sphincter function

A

Helps seal pharyngeal isthmus during swallowing

43
Q

Pharyngeal muscles of longitudinal layer

A

Stylopharyngeus
Palatopharyngeus
Salpingopharyngeus

44
Q

Longitudinal layer of pharyngeal muscles innervation

A

Vagus nerve via pharyngeal plexus

EXCEPT stylopharyngeus= glossopharyngeal nerve

45
Q

Stylopharyngeus muscle innervation

A

Glossopharyngeal nerve

46
Q

Longitudinal layer of pharyngeal muscles action

A

Elevate pharynx

Palatopharyngeus also narrows oropharynx
Salpingopharyngeus also opens pharyngotympanic tube

47
Q

Pharyngeal plexus lies on what muscle

A

Middle constrictor

48
Q

3 parts of pharyngeal plexus

A

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

49
Q

Arteries of pharynx

A

Ascending pharyngeal artery

Maxillary artery

50
Q

Buccopharyngeal fascia

A

Surrounds pharynx external to muscles of pharynx

Continuous w/ pretracheal fascia

51
Q

Pharyngobasilar fascia

A

Lies internal to muscles and external to mucosa of pharynx

52
Q

Retropharyngeal space

A

Potential space between buccopharyngeal fascia and prevertebral fascia

53
Q

Retropharyngeal space permits

A

Free movement of pharynx and esophagus during swallowing

Gross II (29 decks)

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