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Neuro Block 3 > LAB Nose And Palate > Flashcards

LAB Nose And Palate Flashcards

0
Q

Where is the exit of the maxillary sinus?

A

Right below the middle nasal concha

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1
Q

Why is the sphenopalantine foramen important?

A

The sphenopalantine artery with is the terminal branch of the maxillary artery

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2
Q

What is the choanae?

A

Opening from the pharynx into the nasal cavity

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3
Q

Where is the sphenoethmoidal recess?

A

Right by the opening to the sphenoid sinus

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4
Q

What duct runs underneath the middle conchae?

A

The frontonasal duct in the hiatus semilunaris

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5
Q

What is the ethmodial bulla?

A

The blister of the ethmodial sinus

Behind the middle nasal conchae

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6
Q

What structures are located in the top and bottom part of the hiatus semilunaris?

A

Top - frontonasal duct

Bottom - maxillary sinus opening

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7
Q

Where is the nasolacrimal duct?

A

Behind the inferior nasal conchae

Reason why your nose runs when you cry

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8
Q

What ganglion is found in the pterygomaxillary fossa in the pterygopalatine foreman?

A

The pterygopalatine ganglion

A motor ganglion of the facial nerve
Kinda off V2

Postganglionic cell bodies

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9
Q

What comes off of the pterygopalatine ganglion?

A

The greater and lesser palatine nerves below

And the nerve of the pterygoid canal heading posteriorly

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10
Q

Where is the greater palatine foramen?

A

In the hard palate

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11
Q

Where is the greater palatine canal?

A

By the middle nasal conchae

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12
Q

What are the nasal cavity and hard palate supplied by (nerve)?

A

Maxillary division of the trigeminal

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13
Q

Where are the preganglionic nerves of the pterygoid canal?

A

It is the parasympathetic part of CN VII

In the pterygopalatine ganglion

Fibers go with every nerve out

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14
Q

What are the other sensory nerves of the nasal cavity?

A

Anterior and posterior ethmodial

Of V1

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15
Q

What nerve senses hot stuff in the mouth?

A

The nasopalatine nerve going through the incisive canal

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16
Q

What are the two terminal branches of the maxillary artery?

A

The sphenopalantine artery

And the greater and lesser palatine arteries

17
Q

Where is the sympathetic part of the facial nerve coming from?

A

The superior salvitory nucleus

18
Q

What nerve from the facial nerve of the superior salvitory nucleus terminates in the pterygopalatine ganglion and what does it carry?

A

The greater petrosal nerve carrying preganglionic parasympathetic nerve fibers to the lacrimal duct after terminating in the pterygopalatine ganglion and also going wherever maxillary arteries go

19
Q

Where do the sympathetic fibers for the pterygopalatine ganglion come from?

A

The superior cervical ganglion

20
Q

Where does the osmium of the maxillary sinus open?

A

Middle meatus

21
Q

Which sinus does not drain into the middle meatus?

A

Sphenoid sinus

22
Q

What sinuses drain into the middle meatus?

A

Ethmodial
Frontal
Maxillary

23
Q

What is the nasal septum formed by?

A

The septal cartilage
Vomer
And the perpendicular plate of the ethmoid bone

24
Q

Where does CSF usually escape from a fracture?

A

Ethmoid bone

25
Q

What is the opening of the nasal cavity into the nasopharynx?

A

The choanae

26
Q

Where does the ethmoid sinus drain?

A

In the sphenoethmoidal recess

27
Q

Where is the nasolacrimal duct opening?

A

Underneath the inferior meatus

28
Q

From what does the later-dorsal and lateral nasal wall receive innervation?

A

CN 1 of the ethmodial nerve

V1 and V2

29
Q

What nerve supplies sensory info to the bridge of the nose?

A

Ophthalmic division of trigeminal

30
Q

Where is the sphenopalantine foramen located?

A

In the pterygopalatine fissure

31
Q

What artery passes through the pterygomaxillary fissure?

A

Maxillary artery

32
Q

Where is the pterygopalatine ganglion found?

A

In the medial portion of the pterygomaxillary fissure

33
Q

What three nerves come off of the pterygopalatine ganglion?

A

Greater and lesser palatine nerves caudally

Nerve of the pterygoid canal dorsally

34
Q

What nerves are found in the pterygoid canal?

A

Postganglionic sympathetic neurons

Preganglionic parasympathetic neurons

35
Q

Where do parasympathetic neurons innervating the nasal mucosal glands have their cell bodies?

A

The pterygopalatine ganglion

36
Q

Where do parasympathetic neurons innervating the secretory cells of the lacrimal gland have their cell bodies?

A

Pterygopalatine ganglion

37
Q

What do the parasympathetic fibers of the pterygopalatine ganglion do?

A

Innervate the nasal mucosa and the secretory cells of the lacrimal glands

38
Q

Where do sensory neurons to the roof of the hard and soft palate have their cell bodies?

A

Trigeminal ganglion

39
Q

What blood vessel supplies the soft and hard palate?

A

Maxillary artery

40
Q

What nerve innervates the mouth immediately posterior to the incisor teeth?

A

The nasopalatine nerve

Neuro Block 3 (17 decks)

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