Pterygopalatine Fossa & Nasal Cavity Flashcards
Look at this depiction of the external nose
Nice
Look at purpose games to get oriented with the bones of the nasal cavity
Definitely
The nasal cavity is lined with nasal mucosa ecept for which of the following?
A. Vestibule of the nose
B. Internal portion of the nose
C. External portion of the nose
D. Both A and B
E. A is considered C
External portion of the nose
Vestibule of the nose
The nasal mucosa is connected to the _________ of the nasal bones and the __________ of the cartilagenous components
Perosteum
Perichondrium
Which of the following is the roof of the nasal cavity?
A. Superior, Middle, and Inferior Concha
B. Palatine process of maxilla and horizontal plate of palatine bone
C. Nasal Septum
D. Frontal bone, ethmoid B., sphenoid B.
Frontal bone, ethmoid B., sphenoid B.
Which of the following is the floor of the nasal cavity?
A. Superior, Middle, and Inferior Concha
B. Palatine process of maxilla and horizontal plate of palatine bone
C. Nasal Septum
D. Frontal bone, ethmoid B., sphenoid B.
Palatine process of maxilla and horizontal plate of palatine bone
Which of the following is the medial wall of the nasal cavity?
A. Superior, Middle, and Inferior Concha
B. Palatine process of maxilla and horizontal plate of palatine bone
C. Nasal Septum
D. Frontal bone, ethmoid B., sphenoid B.
Nasal Septum
Which of the following is the lateral wall of the nasal cavity?
A. Superior, Middle, and Inferior Concha
B. Palatine process of maxilla and horizontal plate of palatine bone
C. Nasal Septum
D. Frontal bone, ethmoid B., sphenoid B.
Superior, Middle, and Inferior Concha
What 5 structures make up the nasal septum?
Perpendicular plate of the ethmoid B.
Vomer
Septal Cartilages
Nasal Crest of Maxillary B.
Palatine Bs.
The nasal concha divides the nasal cavity into 4 passages that specific sinuses open up in to. Which of the following meatuses drain into the posterior ethmoidal sinus?
A. Spheno-ethmoidal recess
B. Superior Nasal Meatus
C. Middle Nasal Meatus
D. Inferior Nasal Meatus
Superior Nasal Meatus
The nasal concha divides the nasal cavity into 4 passages that specific sinuses open up in to. Which of the following meatuses drain into the frontal sinus, anterior and middle ethmoid sinus, and maxillary sinus?
A. Spheno-ethmoidal recess
B. Superior Nasal Meatus
C. Middle Nasal Meatus
D. Inferior Nasal Meatus
Middle Nasal Meatus
NOTE: the maxillary sinus opens into the middle nasal meatus in the posterior portion of the semilunar hiatus at the maxillary ostium
The nasal concha divides the nasal cavity into 4 passages that specific sinuses open up in to. Which of the following meatuses drain into the sphenoid sinus?
A. Spheno-ethmoidal recess
B. Superior Nasal Meatus
C. Middle Nasal Meatus
D. Inferior Nasal Meatus
Spheno-ethmoidal recess
The nasal concha divides the nasal cavity into 4 passages that specific sinuses open up in to. Which of the following meatuses drain into the nasolacrimal duct?
A. Spheno-ethmoidal recess
B. Superior Nasal Meatus
C. Middle Nasal Meatus
D. Inferior Nasal Meatus
Inferior Nasal Meatus
What are the 4 branches that come off the Maxillary A. that supply the lateral and medial walls of the nasal cavity?
Sphenopalatine A.
Anterior Ethmoidal A.
Posterior Ethmoidal A.
Greater Palatine A.
While branches off the maxillary A. are the main suppliers of the nasal cavity, to a lesser extent the Facial A. also gives off branches to supply the cavity as well. What are these two branches?
Superior Labial A.
Lateral Nasal Branches
Which of the following sinuses is the largest and is innervated by the Superior Alveolar N. branches via V2?
A. Maxillary Sinus
B. Ethmoid Sinus
C. Sphenoid Sinus
D. Frontal Sinus
Maxillary Sinus
Which of the following sinuses is is innervated by the Nasociliary N. via the V1, it also contains ethmoidal air cells between orbits?
A. Maxillary Sinus
B. Ethmoid Sinus
C. Sphenoid Sinus
D. Frontal Sinus
Ethmoid Sinus
Which of the following sinuses is innervated by the posterior ethmoidal N. via V1 and is a structure that is unnevenly divided by the nasal septum?
A. Maxillary Sinus
B. Ethmoid Sinus
C. Sphenoid Sinus
D. Frontal Sinus
Sphenoid Sinus
Which of the following sinuses is innervated by the Supraorbital N. via V1, and is found posterior to the superciliary arches?
A. Maxillary Sinus
B. Ethmoid Sinus
C. Sphenoid Sinus
D. Frontal Sinus
Frontal Sinus
Which of the folliwng sinuses recieves its arterial supply from the superior alveolar branches of Maxillary A. and Greater Palatine A. ?
A. Maxillary Sinus
B. Frontal Sinus
C. Ethmoid Sinus
D. Sphenoid Sinus
Maxillary Sinus
Which of the folliwng sinuses recieves its arterial supply from the Supraorbital A. and Anterior Ethmoidal A.?
A. Maxillary Sinus
B. Frontal Sinus
C. Ethmoid Sinus
D. Sphenoid Sinus
Frontal Sinus
Which of the folliwng sinuses recieves its arterial supply from the Posterior Ethmoidal A.?
A. Maxillary Sinus
B. Frontal Sinus
C. Ethmoid Sinus
D. Sphenoid Sinus
Sphenoid Sinus
Which of the folliwng sinuses recieves its arterial supply from the Ethmoid A. from the Opthalmic A.?
A. Maxillary Sinus
B. Frontal Sinus
C. Ethmoid Sinus
D. Sphenoid Sinus
Ethmoid Sinus
The Pterygopalatine fossa is a small pyramid-shaped space found inferior to the apex of the orbit. Which of the following structures is the roof of the fossa?
A. Maxillary Tuberosity
B. Perpendicular Plate of Palatine B
C. Pterygoid process of Sphenoid (lateral plate)
D. Greater Wing of Sphenoid B.
E. Pyramidal Process of Palatine B.
F. Pterygomaxillary Fissure
Greater Wing of Sphenoid B.
The Pterygopalatine fossa is a small pyramid-shaped space found inferior to the apex of the orbit. Which of the following structures is the floor of the fossa?
A. Maxillary Tuberosity
B. Perpendicular Plate of Palatine B
C. Pterygoid process of Sphenoid (lateral plate)
D. Greater Wing of Sphenoid B.
E. Pyramidal Process of Palatine B.
F. Pterygomaxillary Fissure
Pyramidal Process of Palatine B.
The Pterygopalatine fossa is a small pyramid-shaped space found inferior to the apex of the orbit. Which of the following structures is the Anterior Boundary of the fossa?
A. Maxillary Tuberosity
B. Perpendicular Plate of Palatine B
C. Pterygoid process of Sphenoid (lateral plate)
D. Greater Wing of Sphenoid B.
E. Pyramidal Process of Palatine B.
F. Pterygomaxillary Fissure
Maxillary Tuberosity
The Pterygopalatine fossa is a small pyramid-shaped space found inferior to the apex of the orbit. Which of the following structures is the Posterior Boundary of the fossa?
A. Maxillary Tuberosity
B. Perpendicular Plate of Palatine B
C. Pterygoid process of Sphenoid (lateral plate)
D. Greater Wing of Sphenoid B.
E. Pyramidal Process of Palatine B.
F. Pterygomaxillary Fissure
Pterygoid process of Sphenoid (lateral plate)
The Pterygopalatine fossa is a small pyramid-shaped space found inferior to the apex of the orbit. Which of the following structures is the Medial = Boundary of the fossa?
A. Maxillary Tuberosity
B. Perpendicular Plate of Palatine B
C. Pterygoid process of Sphenoid (lateral plate)
D. Greater Wing of Sphenoid B.
E. Pyramidal Process of Palatine B.
F. Pterygomaxillary Fissure
Perpendicular Plate of Palatine B
The Pterygopalatine fossa is a small pyramid-shaped space found inferior to the apex of the orbit. Which of the following structures is the Lateral Boundary of the fossa?
A. Maxillary Tuberosity
B. Perpendicular Plate of Palatine B
C. Pterygoid process of Sphenoid (lateral plate)
D. Greater Wing of Sphenoid B.
E. Pyramidal Process of Palatine B.
F. Pterygomaxillary Fissure
Pterygomaxillary Fissure
Look at the Maxillary A. on purpose games to determine what branches traverse through the pterygopalatine fossa
Lit
Look at the passage of neurovasculature in Pterygopalatine Fossa on your notes to understand contents
