Anatomy of the External Nose
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Questions and Answers

Which bone is NOT part of the bony framework of the external nose?

  • Nasal bone
  • Frontal bone
  • Frontal process of the maxilla
  • Mandible (correct)
  • What are the external openings of the nose called?

    Nostrils or nares

    The ala nasi refers to the lateral margins of the nares.

    True

    The nasal septum has ______ and ______ parts.

    <p>bony, cartilaginous</p> Signup and view all the answers

    What clinical condition can arise from Eustachian tube dysfunction?

    <p>Otitis Media</p> Signup and view all the answers

    What is the function of the paranasal sinuses?

    <p>Cleanses and conditions inspired air</p> Signup and view all the answers

    Which of the following structures is part of the cartilaginous framework of the nose?

    <p>Upper lateral cartilage</p> Signup and view all the answers

    The larynx is part of the upper respiratory tract.

    <p>True</p> Signup and view all the answers

    Study Notes

    The Nose

    • The external nose is attached to the forehead by the root or bridge of the nose.
    • It has two elliptical external orifices called nostrils or nares.
    • The lateral margins of the nares are rounded or mobile, called ala nasi.

    External Nose: Bony Framework

    • The bony framework of the external nose consists of:
      • Frontal bone
      • Nasal bone
      • Frontal process of the maxilla
      • Bony nasal septum

    External Nose: Cartilaginous Framework

    • The cartilaginous framework of the external nose consists of:
      • Nasal cartilage, which includes:
        • Upper lateral cartilage
        • Lower lateral cartilage, with:
          • Lateral crus
          • Medial crus
      • Nasal septum:
        • Has bony and cartilaginous parts
        • Divides the nasal cavity into the left and right sides.

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    Description

    Explore the intricate structure of the external nose, including its bony and cartilaginous frameworks. This quiz will cover the components such as the nasal cartilages, septum, and the significance of nostrils. Perfect for students studying human anatomy.

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