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BDS2.5 Anatomy > Pharynx > Flashcards

Pharynx Flashcards

1
Q

What are the 3 divisions of the pharynx?

A

Nasopharynx

Oropharynx

Laryngopharynx

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2
Q
A
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3
Q

What is the adenoid?

A

,ass of mucosa associated with lymphatic tissue

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4
Q

What does the pharyngotympnic tube connect?

A

Connects tympanic cavity with the nasopharynx

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5
Q

What is adenoiditis?

A

Inflammation of the pharyngeal tonsil

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6
Q

What is the adenoid also called?

A

Pharyngeal tonsils

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7
Q

Where can adenoiditis spread?

A

Spread of infection to tubal tonsils (obstruction of pharyngotympanic tube)

Spread of infection to middle ear (otitis media)

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8
Q

Describe the palatine tonsils

A

Ovoid mass of lymphatic tissue in the lateral wall of oropharynx

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9
Q
A
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10
Q
A
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11
Q

What is the piriform fossa?

A

A small depression of the laryngopharyngeal cavity

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12
Q

What innervates the pharynx? (Motor)

A

Vagus nerve

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13
Q

What are the muscles of the pharynx?

A

Pharyngeal constructors

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14
Q

What are the 3 constructor muscles of the pharynx?

A

Superior
Middle
Inferior

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15
Q

What nerve initiates the gag reflex?

A

Vagus (accessory)

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16
Q

When are the constrictor muscles activated?

A

Swallowing

17
Q

What is the sensory innervation to the pharynx?

A

Glossopharyngeal

18
Q

Is the vagus nerve para or sympathetic?

A

Parasympathetic

19
Q

What constructs the lower part of the pharynx?

A

Thyropharyngeus

20
Q

What muscle prevents influx?

A

Cricopharyngeus

21
Q

What is this muscle and its function?

A

Elevate the pharynx, may assist in opening of pharyngotympanic tube

22
Q
A
23
Q
A
24
Q

What are the 4 steps in swallowing?

A
25
Q

Describe the 4 stages of swallowing

A
26
Q

Where is the superior cervical ganglion located?

A

External surface of the pharynx (middle constrictor)

27
Q

What does the pharyngeal branch of vagus not supply?

A

Stylopharyngeus

28
Q

What supplies the stylopharyngeus?

A

Glossopharyngeal

29
Q

What nerves are responsible for the gag reflex?

A

Hypoglossal CNX
Accessory CNIX

30
Q

What does the CNIX supply in the gag reflex?

A

Afferent limb of gag reflex

BDS2.5 Anatomy (28 decks)

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