Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy (Neck and Head) > Nasal Cavity and Ear > Flashcards

Nasal Cavity and Ear Flashcards

1
Q

Name the 3 cartilages of the nose

A
  1. Lateral
  2. Alar
  3. Septal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the name for the opening to the nasal cavity

A

Piriform aperture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the name for the internal, most posterior window of the nasal cavity

A

Choanae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which 4 bones comprise the roof of the nasal cavity?

A
  1. Nasal bones
  2. Frontal bone
  3. Ethmoid
  4. Sphenoid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which 2 bones make up the floor of the nasal cavity?

A
  1. Maxillae

2. Palatine bones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which 6 bones comprise the lateral wall of the nasal cavity?

A
  1. Maxilla
  2. Lacrimal
  3. Superior nasal concha (Ethmoid)
  4. Middle nasal concha (Ethmoid)
  5. Inferior nasal concha
  6. Palatine
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which 5 bones make up the medial walls of the nasal cavity

A
  1. Maxilla
  2. Septal cartilage
  3. Perpendicular plate (Ethmoid)
  4. Vomer
  5. Palatine
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which 3 bones form the Choanae

A
  1. Vomer
  2. Palatine
  3. Sphenoid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the name for the area between the roof of the nasal cavity and the superior nasal conchae

A

sphenoethoidal recess

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are the names for the spaces between the concha

A

superior, middle, and inferior meatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Frontal sinuses drain via ___ into ____

A

frontonasal duct into semilunar hiatus of middle meatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Ethmoidal sinuses drain into ______

A
  • middle meatus

- superior meatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Sphenoidal sinuses drain into ________

A

sphenoethmoidal recess

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Maxillary sinuses drain into ______

A

semilunar hiatus of middle meatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which sinuses drain into the middle meatus

A
  1. Frontal
  2. Ethmoidal
  3. Maxillary
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which nerves innervate the hard palate and maxillary gingivae?

A
  1. Nasopalatine nerves (CN V2)

2. Greater palatine nerves (CN V2)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What does the nasopalatine nerve (CN V2) innervate?

A
  1. Posterior nasal septum
  2. Hard palate
  3. Maxillary gingiva
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

When is the soft palate in contact with the tongue?

A

Depression, e.g. while breathing only through nose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

When is the soft palate in contact with the posterior wall of pharynx?

A

Elevation, e.g. when swallowing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is the action of levator veli palatini?

A

elevate the soft palate (important for swallowing)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What innervates levator veli palatini?

A

Vagus CN X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Tensor veli palatini innervation

A

mandibular nerve (CN V3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Palatoglossus action

A
  1. depress soft palate

2. Elevate tongue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Palatoglossus innervation

A

vagus nerve (CN X)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Palatopharyngeus action

A

tense the soft palate

26
Q

Palatopharyngeus innervation

A

Vagus nerve (CN X)

27
Q

Which muscles tense the soft palate?

A
  1. Tensor veli palatini (CN V3)

2. Palatopharyneus (CN X)

28
Q

Which mucosal arch is most anterior?

A

palatoglossal arch

29
Q

Which mucosal arch is most posterior?

A

palatopharyngeal arch

30
Q

What structure is inbetween the two mucosal arches of the soft palate?

A

palatine tonsils

31
Q

Which two vessels supply the palatine tonsils?

A
  1. branches from the Facial artery

2. Ascending pharyngeal artery

32
Q

Which muscles open the auditory tube?

A
  • tensory veli palatini

- levator veli palatini

33
Q

Which nerve innervates the external tympanic membrane?

A

auriculotemporal (CN V3)

34
Q

Which nerve innervates the internal surface of the tympanic membrane?

A

glossopharyngeal (CN IX)

35
Q

Which part of the cranium houses the middle ear

A

petrous part of temporal bone

36
Q

Where does the middle ear drain into?

A

Nasopharynx

auditory tube drains postero-laterally

37
Q

What is another name for pharyngeal tonsils?

A

Adenoids (when englarged)

38
Q

Which glands produce cerumen

A

sebaceous and ceruminous glands

39
Q

What does the tympanic membrane communicate with postero-superiorly?

A

mastoid antrum/air cells of the mastoid process of the temporal bone

*otitis media can spread here

40
Q

Which bone articulates with the TM?

A

malleus (hammer)

41
Q

Which muscle attaches to the handle of malleus?

A

tensor tympani

42
Q

What nerve innervates tensor tympani?

A

CN V3

43
Q

Which middle ear bone is between the malleus and stapes?

A

incus (“anvil”)

44
Q

Stapes “stirrup” footplate attaches where on inner ear?

A

oval window

45
Q

Which muscle inserts on stapes?

A

stapedius

46
Q

What nerve innervates stapedius?

A

Facial CN VII

47
Q

What are the 3 branches Facial nerve (CN VII) gives off in the middle ear?

A
  1. Greater petrosal nerve
  2. Nerve to stapedius
  3. Chorda tympani
48
Q

Which two cranial nerves have branches in the middle ear?

A
  1. Facial (greater petrosal nerve, nerve to stapedius, chorda tympani)
  2. Glossopharyngeal CN IX (tympanic nerve (forms tympanic plexus), lesser petrosal nerve)
49
Q

Lesser petrosal nerve

A

-preganglionic parasympathetic fibers to parotid gland (synapse at otic ganglion)

50
Q

Where do parasympathetics of the greater petrosal nerve (facial CN VII) synapse?

A

pterygopalatine ganglion

51
Q

Describe the pathway of the greater petrosal nerve (CN VII)

A

Travels on branches of CN V1 and CN V2 to the lacrimal gland.

Travels on branches of CN V2 to mucosa of palate and nasal cavity.

52
Q

What does chorda tympani “hitchhike” on to the submandibular ganglion?

A

branches of CN V3 (lingual)

53
Q

What does the glossopharyngeal nerve (CN IX) supply sensory to?

A
  • pharynx
  • posterior 1/3 of tongue
  • Inner tympanic membrane
  • Parasympathetic to Parotid gland (via lesser petrosal)
54
Q

What does the glossopharyngeal nerve (CN IX) supply motor to?

A

stylophyaryngeus (elevates pharynx and larynx)

55
Q

What does the glossopharyngeal nerve (CN IX) supply taste to?

A

posterior 1/3 of the tongue

56
Q

What nerve innervates the carotid body and carotid sinus?

A

Glossopharyngeal (CN IX)

57
Q

Describe the pathway of the lesser petrosal nerve

A

Glossopharyngeal CN IX > Lesser petrosal nerve > otic ganglion > hitchhike with V3 to parotid gland

58
Q

Where is the oval window located?

A

lateral wal of vestibule, articulates with foot of stapes

59
Q

Where is the round window?

A

lateral wall of cochlea

60
Q

What are the semicircular canals

A
  1. Anterior
  2. Posterior
  3. Lateral

Anatomy (Neck and Head) (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions