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Anatomy > Pharynx > Flashcards

Pharynx Flashcards

1
Q

3 sections of the pharynx

A

Nasopharynx
Oropharynx
Laryngopharynx

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2
Q

General function of the pharynx

A

Conduct food to the esophagus and conduct air to the larynx

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3
Q

Cone shaped passageway leading from the oral and nasal cavities in the head to the esophagus

A

Pharynx

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4
Q

3 swallowing stages

A

Oral, pharyngeal, esophageal

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5
Q

Section of the pharynx located posterior to nasal cavity, above soft palate

A

Nasopharynx

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6
Q

Section of the pharynx located posterior to oral cavity, below level of soft palate and to the tip of the epiglottis

A

Oropharynx

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7
Q

Section of the pharynx located posterior to the larynx

A

Laryngopharynx

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8
Q

Lateral wall of the nasopharynx has opening for this

A

Eustachian tube (auditory tube)

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9
Q

The cartilage of the nasopharynx forms this

A

Torus tubarius

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10
Q

Fossa behind the torus tubarius

A

Pharyngeal recess

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11
Q

Posterior wall of the nasopharynx is covered with lymphoid tissue that forms this

A

Pharyngeal tonsil (aka edenoids)

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12
Q

Inflammation of this structure in the nasopharynx may result in nasal passage obstruction and occlude eustachian tube orifice

A

Pharyngeal tonsil

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13
Q

Surgical removal of the pharyngeal tonsils

A

Adenoidectomy

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14
Q

The pharyngeal tonsils are located in this section of the pharynx

A

Nasopharynx

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15
Q

Area between the epiglottis and tongue

A

Vallecula

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16
Q

Tonsils that occur in the base of the tongue

A

Lingual tonsils

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17
Q

Lingual tonsils are found in this section of the pharynx

A

Oropharynx

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18
Q

Tonsils found on the lateral wall of oropharynx

A

Palatine tonsils

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19
Q

Tonsillar pillar formed by the palatogloggus muscle

A

Anterior pillar

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20
Q

Tonsillar pillar formed by the palatopharyngeus muscle

A

Posterior pillar

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21
Q

Most common form of tonsillitis

A

Inflammation of paired palatine tonsils

22
Q

Palatine tonsils are found in this section of the pharynx

A

Oropharynx

23
Q

Cavity or pocket in the laryngopharynx located on the sides of the laryngeal inlet

A

Piriform recess

24
Q

Common location for food entrapment or foreign body entrapment in the laryngopharynx

A

Piriform recess

25
Q

Innervation to the majority of the pharyngeal muscles

A

CN X (vagus nerve)

26
Q

Innervation to the stylopharyngeus muscle

A

CN IX (glossopharyngeal nerve)

27
Q

Only muscle of the pharynx not innervated by CN X

A

Stylopharyngeus muscle

28
Q

General insertion of the external muscles of the pharynx

A

Into corresponding muscle posteriorly, at pharyngeal raphe

29
Q

Insertion point for external muscles of the pharynx that is attached superiorly to the occipital bone

A

Raphe

30
Q

General action of the external muscles of pharynx

A

Constrict wall of pharynx

31
Q

Superior constrictor muscle arises from this

A

Pterygomandibular raphe (ligament)

32
Q

The external muscles of the pharynx insert onto this

A

Pharyngeal raphe

33
Q

Middle constrictor muscle arises from this

A

Hyoid bone

34
Q

Inferior constrictor muscle arises from this

A

Oblique line of the thyroid cartilage

35
Q

General insertion of the internal muscles of the pharynx

A

Inner surface of pharynx

36
Q

General action of the internal muscles of the pharynx

A

Elevate the pharynx

37
Q

Muscle that forms the posterior tonsillar pillar

A

Palatopharyngeus muscle

38
Q

The palatopharyngeus muscle arises from

A

Hard and soft palate

39
Q

The salpingopharyngeus muscle arises from this

A

Eustachian tube

40
Q

Stylopharyngeus muscle arises from this

A

Medial side of styloid process

41
Q

Internal muscle of the pharynx that arises from the hard and soft palate and inserts into wall of pharynx

A

Palatopharyngeus

42
Q

Internal muscle of the pharynx that arises from end of the eustachian tube and inserts into wall of pharynx

A

Salpingopharyngeus

43
Q

Internal muscle of the pharynx that arises from the medial side of the styloid process and inserts into wall of pharynx and thyroid cartilage

A

Stylopharyngeus

44
Q

2 main arterial supplies to the pharynx

A

Ascending pharyngeal artery and superior thyroid artery (branches of the external carotid artery)

45
Q

Venous drainage of the pharynx

A

Pharyngeal plexus

46
Q

The pharyngeal plexus drains into this vein

A

Internal jugular vein

47
Q

Nerves of the pharyngeal plexus

A

CN IX and X

48
Q

Nerve of the pharynx that provides sensory innervation

A

CN IX

49
Q

Nerve of the pharynx that provides motor innervation to the stylopharyngeus muscle

A

CN IX

50
Q

Nerve of the pharynx that provides all other motor fibers (besides stylopharyngeus)

A

CN X

51
Q

Nerve of the pharynx that provides vasculature innervation

A

Postganglionic sympathetic fibers from the superior cervical ganglion

52
Q

Rounded masses of lymphatic tissue covering the posterior surface of the tongue
Enlargement may cause airway blockage and obstructive sleep apnea

A

Lingual tonsils

Anatomy (23 decks)

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