Brainscape's Knowledge GenomeTM

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


See full index

HEAD AND NECK > Nose, Nasal Cavity and Paranasal Sinuses > Flashcards

Nose, Nasal Cavity and Paranasal Sinuses Flashcards

1
Q

nasal cavity extends from nostrils or anterior ______ in front to choanae or posterior _____ behind

A

nares, nares

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

Relations of the nasal cavity:

Superiorly: fr__ntal and sph___noidal sinus, an__ior and mi__dle cranial fossa,

Inferiorly: separated from oral cavity by h__ palate

Posteriorly: it communicates with na____rynx, which may be regarded as back portion of nasal cavity

Laterally: face in front &, further back, orbit, maxillary & eth__dal sinuses

A
  1. frontal and sphenoidal, anterior and middle
  2. hard
  3. nasopharynx
  4. ethmoidal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Relations of the nasal cavity:

A

Superiorly: frontal sinus, anterior cranial fossa, sphenoidal sinus & middle cranial fossa

Inferiorly: separated from oral cavity by hard palate

Posteriorly: it communicates with nasopharynx, which may be regarded as back portion of nasal cavity

Laterally: face in front &, further back, orbit, maxillary & ethmoidal sinuses

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

The piriform aperture is bounded:

  1. Above: ___________
  2. laterally & below : ____________
A
  1. nasal bones

2. maxillae

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

The nasal cavity is divided into right & left halves by __________

NB: Each half has a roof, a floor, and medial and lateral walls

A

nasal septum

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

Roof of the Nasal Cavity - formed from front-back wards by:

A

Nasal cartilages,
nasal bone, frontal bone, cribriform plate of ethmoid & body of sphenoid, which is partly covered by vomer & palatine bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Floor of the Nasal Cavity is formed by:

A

palatine process of maxilla in front and by horizontal plate of palatine bone behind

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Medial wall or Nasal septum of the nasal cavity is formed by:

A

septal cartilage, perpendicular plate of ethmoid & the vomer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Lateral wall of the nasal cavity is formed by:

A

nasal bone, maxilla, lacrimal bone, ethmoid bone, inferior nasal concha, palatine bone (perpendicular plate) & sphenoid bone (medial pterygoid plate)

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

Lateral wall of the nasal cavity is characterized by:

A

characterized by medial projection of three nasal conchae & their underlying meatuses

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

Lateral wall of the nasal cavity is characterized by:

characterized by medial projection of three nasal conchae & their underlying ______

A

meatuses

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

the three meatuses communicate medially to form _____________

A

common nasal meatus

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

small space above & behind the superior concha is termed ______________ recess & receives the opening of sphenoidal sinus

A

spheno-ethmoidal recess

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

The inferior meatus, between the inferior concha and the bony palate receives the termination of the ___________

A

nasolacrimal duct

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

The_____________ is a separate bone that is attached to lower part of lateral wall of nasal cavity on each side

A

inferior nasal concha

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The nerves of ordinary sensation are derived from _______ divisions of trigeminal nerve (ophthalmic & maxillary nerves)

A

1st two

17
Q

Cartilage of the nose:

A

Cartilage of the nose

a. Septal cartilage - forms front part of nasal septum
b. Greater alar cartilage- surrounds nostrils & is important for shape of nostrils
c. Lesser alar cartilage- found in alar of nose
d. Lateral nasal cartilage - found above septal cartilage on both sides and connected to both osseous and cartilaginous parts of nasal septum
e. Accessory nasal cartilage - this may be found in the ala of nose. These cartilages reduce possibility of breakage of nose

18
Q

_____ or nasal bleeding, has been reported to occur in up to 60 percent of general population

A

Epistaxis,

19
Q

The rich vascular supply of nose originates from

  1. ethmoid branches of Internal _____ arteries
  2. Fa_al artery
  3. Internal maxillary divisions of external carotid arteries
A
  1. Internal carotid arteries
  2. Facial artery
  3. Internal maxillary divisions of external carotid arteries
20
Q

__________ are cavities found within maxilla, frontal, sphenoid & ethmoidal bones

A

Paranasal sinuses (Air sinuses)

21
Q

Paranasal sinuses (Air sinuses) are innervated by branches of ________ & _________ nerves

A

ophthalmic & maxillary nerves

22
Q

The Paranasal sinuses all drain, directly or indirectly into ______ cavity

A

nasal cavity

23
Q

_____________ is the largest of all paranasal sinuses

NB: is situated in body of maxilla
It is pyramidal in shaped

A

Maxillary sinus

24
Q

The maxillary sinus has one or more openings that drain into:

  1. mi__le nasal meatus via the hi__us semilunaris
A

middle, hiatus

25
Q

________________ are composed of numerous small cavities (4 -17 on each side) in ethmoidal labyrinth, between orbit & nasal cavity= ethmoidal cells

A

Ethmoidal sinus

26
Q

The middle group of ethmoidal cells also called _______ sinuses, which are usually three in number, produce a rounded swelling called _________ bulla on the lateral wall of the middle nasal meatus

A

bulbar sinuses, ethmoidal bulla

27
Q

Frontal sinus may be regarded as an anterior ethmoidal cell that has invaded _____________ after birth

A

frontal bone

28
Q

The frontal sinus opens in to _______ nasal meatus directly or by means of a passage, fro__onasal duct, at one or two sites

A

middle nasal meatus, frontonasal duct

29
Q

The frontal sinus opens in to _______ nasal meatus

A

middle nasal meatus

30
Q

The nerve supply of the Frontal sinus is the su___orbital nerve

A

supraorbital nerve

31
Q

The Sphenoidal sinus opens into s___thmoidal recess of nasal cavity

A

sphenoethmoidal recess

32
Q

The sphenoidal sinus is supplied by the _______ nerve

A

Maxillary nerve

33
Q

BORDERS OF THE SPHENOIDAL SINUS

  1. Anterior wall: sph__oidal concha
  2. Posteriorly =related to p_ns & b__ilar artery
  3. Superiorly= to optic chiasma, optic nerves & hyp__hysis cerebri, anteriorly
  4. Inferiorly= to nasal cavity & nas__harynx
  5. Laterally= to the optic nerve, cav__nous sinus & internal carotid artery & ophthalmic & maxillary nerves
A
  1. sphenoidal concha
  2. pons & basilar
  3. hypophysis cerebri,
  4. nasopharynx
  5. cavernous sinus
34
Q

BORDERS OF THE SPHENOIDAL SINUS

A
  1. Anterior wall: sphenoidal concha
  2. Posteriorly =related to pons & basilar artery
  3. Superiorly= to optic chiasma, optic nerves & hypophysis cerebri, anteriorly
  4. Inferiorly= to nasal cavity & nasopharynx
  5. Laterally= to the optic nerve, cavernous sinus & internal carotid artery & ophthalmic & maxillary nerves

HEAD AND NECK (4 decks)

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