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SF2 2 > Pharynx > Flashcards

Pharynx Flashcards

1
Q

Boundary between oral cavity and pharynx

A

Palatoglossal Arch

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2
Q

Difference in sensory between oral cavity and pharynx

A

Oral cavity is precise somatic sensory. Pharynx is imprecise visceral sensory.

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3
Q

Where can an infection in retropharyngeal space can spread unimpeded to

A

mediastinum (middle of thoracic cavity)

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4
Q

Origin of superior constrictor muscle

A

pterygo-mandibular raphe

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5
Q

Which constrictor muscle is continuous anteriorly with the buccinator

A

Superior Constrictor muscle

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6
Q

Origin of middle constrictor muscle

A

hyoid

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7
Q

Origin of inferior constrictor muscle

A

thyroid and cricoid cartilage

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8
Q

Origin of the stylopharyngeus

A

Styloid process of temporal bone

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9
Q

Insertion of stylopharyngeus

A

thyroid cartilage

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10
Q

Action of the stylopharyngeus

A

raise pharynx and pull walls laterally

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11
Q

Innervation of stylopharyngeus

A

Cranial Nerve IX

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12
Q

Divisions of the pharynx from top to bottom

A

Nasopharynx, oropharynx, and laryngopharynx

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13
Q

Location of the pharyngeal tonsils and opening of auditory tube

A

Nasopharynx

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14
Q

Location of palatine tonsils

A

oropharynx

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15
Q

Location of (Epiglottic) valleculae

A

oropharynx

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16
Q

Two places where foreign objects / food often get caught in the pharynx

A

Valleculae and Piriform recess

17
Q

Location of piriform recess

A

laryngopharynx

18
Q

Found lateral to inlet of larynx in the laryngopharynx

A

piriform recess

19
Q

Found between medial and lateral glossoepiglottic folds

A

Valleculae

20
Q

Motor innervation to pharynx

A

Branchiomotor. All from Vagus (X) except Stylopharyngeus muscle (IX)

21
Q

Sensory innervation to the nasopharynx

A

CN VII

22
Q

Sensory innervation to the oropharynx

A

CN IX

23
Q

Sensory innervation to the laryngopharynx

A

CN X

24
Q

Blood supplied to the pharynx from these four arteries..

A

Ascending pharyngeal, facial, lingual, and maxillary arteries

25
Q

Venous drainage from pharynx

A

Pharyngeal plexus to internal jugular vein

SF2 2 (14 decks)

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