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FM1030 Anatomy > Muscles and Innervations of the Pharynx > Flashcards

Muscles and Innervations of the Pharynx Flashcards

1
Q

What are the layers of the pharynx from interior to exterior?

A

Mucous Membrane
Submucosal Coat
Fascia
Pharyngeal Muscles
Fascia

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2
Q

Are the muscles in the pharynx voluntary?

A

No

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3
Q

What are the 2 layers of the striated muscles called?

A

Outer circular
Inner longitudinal

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4
Q

What does the longitudinal muscle do in the pharynx?

A

Elevates the pharynx during swallowing

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5
Q

What is the name of the muscle attached to the auditory tube?

A

Salpingopharyngeus

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6
Q

What does the Pharyngotympanic tube do?

A

Equalises air pressure
ventilates middle ear

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7
Q

What muscle is attached the soft palate?

A

Palatopharyngeus

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8
Q

What is the muscle attached to the styloid process?

A

Stylopharyngeus

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9
Q

What are the outer circular muscles called?

A

Superior constrictor
Middle Constrictor
Inferior Constrictor

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10
Q

How are the constrictor muscles organised?

A

Stacked like flower parts

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11
Q

Where do all the constrictor muscles insert into?

A

Median fibrous raphe

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12
Q

What do the fascia do to pharynx?

A

Reinforces the walls at the gaps

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13
Q

What is the innervation of the pharynx?

A

Pharyngeal plexus

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14
Q

What nerves make up the pharyngeal plexus?

A

Vagus nerve CNX
Glossopharyngeal nerve CNIX

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15
Q

What is the only muscle motorly innervated by the glossopharyngeal nerve?

A

Stylopharyngeus

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16
Q

What is the sensory nerve of the nasopharnyx?

A

Maxillary nerve

17
Q

What is the sensory nerve of the oropharynx?

A

Glossopharyngeal nerve

18
Q

What is the sensory nerve of the laryngopharynx?

A

Vagus nerve

19
Q

What is the clinical test for the functioning of cranial nerve IX?

A

Touch the oropharynx/back of the tongue

20
Q

What is the expected finding of the gag reflex test?

A

Symmetrical elevation of the uvula

21
Q

What is the afferent limb of the gag reflex?

A

Glossopharyngeal nerve

FM1030 Anatomy (6 decks)

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