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GA 2 > FINALS: Pharynx > Flashcards

FINALS: Pharynx Flashcards

0
Q

Pharynx as a respiratory organ is a muscular passage from the…

A

Nasal cavity to larynx

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1
Q

Pharynx is shared by 2 systems

A

Respiratory

Digestive

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2
Q

Other name of Pharynx

A

Throat

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3
Q

3 regions of the pharynx

A

Nasopharynx
Oropharynx
Laryngopharynx

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4
Q

Pharynx as a digestive organ is a muscular passage from….

A

Oral cavity to esophagus

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5
Q

Communication bet tympanic membrane and nasal cavity

A

Opening of eustachian tube

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6
Q

Region of pharynx where you can locate opening of Eustachian tube

A

Nasopharynx

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7
Q

Superior region behind nasal cavity

A

Nasopharynx

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8
Q

Middle region

Behind mouth

A

Oropharynx

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9
Q

Inferior region

Attached to larynx

A

Laryngopharynx

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10
Q

Regions of pharynx shared by Respi and Digestive systems.

Common passageway of food and air

A

Oropharynx

Laryngopharynx

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11
Q

Highly flexible

It closes the larynx so that food is only directed to esophagus

A

Epiglottis

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12
Q

Pharynx is suspended from

A

Base of skull to c6

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13
Q

Pharynx lies bet the bodies of the vertebrae and LARYNX between _

A

c4 to c6

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14
Q

Pharynx become continuous with the esophagus at

A

C6

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15
Q

3 types of muscular components of pharynx

A

Superior
Middle
Inferior constrictors

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16
Q

Point of attachment of the muscular components or constrictors of pharynx

A

Posterior midline raphe or PHARYNGEAL RAPHE

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17
Q

Structures assoc to the pharynx

A 
Auditory tubes that enter the nasopharynx
Tonsils 
pharyngeal or adenoids - nasopharynx
palatine-oropharynx 
lingual-base of tongue
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18
Q

Not a constrictor because it remains open

Lies behind nasal and oral cavities

A

Superior constrictor muscle

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19
Q

Superior constrictor muscle is assoc to what muscle

A

Buccinator

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20
Q

Superior constrictor muscle:
Origin

Insertion:

A

O: pterygomandibular raphe

  • mylohyoid line of the mandible
  • medial pterygoid plate

Insertion:
apex of the petrous of temporal bone and pharyngeal tubercle of the occ bone (basilar part)

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21
Q

Constrictor that Lies behind the tongue and larynx

A

Middle constrictor muscle

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22
Q

Constrictor that plays a major role in swallowing

A

Middle constrictor muscle

23
Q

Inferior constrictor muscle attaches anteriorly to 2 cartilages

A

Cricoid and thyroid cartilages

24
Q

Constriction or sphincter, which is a boundary bet PHARYNX and ESOPHAGUS

A

Cricopharyngeus or Pharyngoesophageal constriction

25
Q

Movt done by constrictors

A

Segmental or peristaltic movt

26
Q

Sensory nerve supply of NASOPHARYNX

27
Q

Sensory nerve supply of OROPHARYNX

A

Glossopharyngeal nerve

28
Q

Sensory nerve supply of LARYNGOPHARYNX

A

Internal laryngeal branch of the vagus nerve

29
Q

Will help stimulate pharynx to proceed to swallowing reflex. Recognize presence of food or air

A

Sensory innervation

30
Q

Motor innervation of sup and middle constrictor muscles

A

Pharyngeal branches of the vagus nerve

31
Q

Motor innervation of Inferior constrictor and cricopharyngeus

A

Recurrent branches of the vagus nerve

32
Q

Swallowing reflex is performed by

A

Motor fibers and parasympathetic fibers of the vagus nerve

33
Q

Lymph drainage of the pharynx: directly

A

Directly: Deep cervical lymph nodes
Indirectly: retropharyngeal or paratracheal nodes

34
Q

2 masses of lymphoid tissue each Located in the depression on the lateral wall of the oral part of the pharynx between the palatoglossal and palatopharyngeal arches

A

Palatine tonsils

35
Q

Blood supply of the pharynx

A

Ascending pharyngeal
tonsillar branches of the facial arteries
Branches of maxillary and lingual arteries

36
Q

The surface of the palatine tonsil is pitted by numerous small openings that lead into the

A

Tonsillar crypts

37
Q

Lymphoid tissue that surrounds the opening into the respiratory and digestive systems forms a ring

A

Waldeyers ring of lymphoid tissue

38
Q

Covered by mucous membrane and its free medial surface projects into the pharynx

A

Palatine tonsils

39
Q

Lateral part of the ring is formed by

A

Palatine and tubal tonsils

40
Q

Lymphoid tissue around the opening of the auditory tube in the lateral wall of the nasopharynx

A

Tubal tonsils

41
Q

Forms the upper part of the ring

A

Pharyngeal tonsil in the roof of the nasopharynx

42
Q

Forms the lower part of the ring

A

Lingual tonsil - on the post 1/3 of tongue

43
Q

Esophagus is how long

A

10in or 25cm long

44
Q

Esophagus extends from the

A

Pharynx to the stomach

45
Q

Esophagus begins at the level of the

A

Cricoid cartilage

Opp to the body of the c6

46
Q

The esophagus commences in the midline but as it descends through the neck it inclines to what side

47
Q

Anterior to esophagus

A

Trachea

Recurrent laryngeal nerves ascend one on each side, in the groove between the trachea and esophagus

48
Q

Posterior to esophagus

A

Prevertebral layer of deep cervical fascia
Longus colli
Vertebral column

49
Q

Lateral to esophagus

A

Lobe of thyroid gland

Carotid sheath

50
Q

Arteries of the esophagus in the neck are derived from the

A

Inferior thyroid artery

51
Q

Veins drain into the

A

Inf thyroid vein

52
Q

Lymph drainage in the neck

A

Deep cervical lymph nodes

53
Q

Nerve supply in the neck is derived from the

A

Recurrent laryngeal nerve

And sympathetic trunks

54
Q

2 constrictions in the esophagus

A

Cricopharyngeus constriction

Cardiac constriction

GA 2 (21 decks)

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