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Anatomy of Nasal Septum and Its Diseases

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Questions and Answers

Which part of the nasal septum consists of a double layer of skin with no bony or cartilaginous support?

Columellar septum
Septal cartilage
Septum proper
Membranous septum (correct)

Which bone does not contribute to the osteocartilaginous framework of the nasal septum?

Perpendicular plate of ethmoid
Vomer
Nasal spine of frontal bone (correct)
Crest of maxilla

What is the primary function of the septal cartilage?

To form a partition between the right and left nasal cavities (correct)
To connect the nasal bones to the maxilla
To contribute to the membranous septum
To provide support to the nasal spine of the frontal bone

Which bone forms the posterior part of the nasal septum?

Vomer (A) Signup and view all the answers

Which part of the nasal septum is freely movable from side to side?

Columellar septum (C) Signup and view all the answers

What is the most common cause of septal deviation?

Trauma to the nose (B) Signup and view all the answers

Which of the following arteries is NOT associated with Little's Area on the nasal septum?

Inferior alveolar artery (A) Signup and view all the answers

What is the most common site for epistaxis (nosebleeds)?

Little's Area on the nasal septum (C) Signup and view all the answers

Which of the following is a potential consequence of excessive removal of septal cartilage during surgery?

Nasal collapse (D) Signup and view all the answers

How can a dislocation of the septal cartilage from the anterior vomerine groove lead to septal deviation?

It causes the septum to deviate caudally (C) Signup and view all the answers

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