Nose Anatomy and Functions Quiz
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Questions and Answers

Which nerve supplies the external nose?

  • CNV3 (Trigeminal Nerve, Mandibular Branch)
  • CNV1 (Trigeminal Nerve, Ophthalmic Branch) (correct)
  • CNV4 (Trigeminal Nerve, Olfactory Branch)
  • CNV2 (Trigeminal Nerve, Maxillary Branch)

    • What is the function of the paranasal sinuses?

  • Lighten the weight of the skull (correct)
  • Aid in hearing
  • Facilitate vision
  • Assist in taste perception

    • Where is the olfactory epithelium located?

  • On the roof of the nasal cavity (correct)
  • On the floor of the nasal cavity
  • In the paranasal sinuses
  • On the lateral walls of the nasal cavity

    • What is the function of the nasal conchae (turbinates)?

    <p>Increase surface area for cleansing, humidification &amp; temperature control of inspired air</p> Signup and view all the answers

    What is the function of the paranasal sinuses?

    <p>To lighten the weight of the skull</p> Signup and view all the answers

    Where is the olfactory epithelium located?

    <p>On the roof of the nasal cavity</p> Signup and view all the answers

    What is the function of the nasal conchae (turbinates)?

    <p>To increase surface area for cleansing, humidification, and temperature control of inspired air</p> Signup and view all the answers

    Which nerve supplies the external nose?

    <p>CNV1 (Trigeminal Nerve, Ophthalmic Branch)</p> Signup and view all the answers

    What is the main function of the nasal cavity?

    <p>All of the above</p> Signup and view all the answers

    What divides the nasal chamber into two nasal cavities?

    <p>Nasal septum</p> Signup and view all the answers

    What is the main function of the olfactory nerve(s)?

    <p>To pick up molecules of smell</p> Signup and view all the answers

    What is the role of the Kiesselbach plexus in the nose?

    <p>Vascular supply for nosebleeds</p> Signup and view all the answers

    What is the function of the paranasal sinuses in relation to the respiratory part of the nasal cavity?

    <p>To increase surface area for cleansing, humidification, and temperature control of inspired air</p> Signup and view all the answers

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