Anatomy of the Nasal Cavity
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Questions and Answers

What forms the floor of the orbital cavity?

  • Body of the sphenoid
  • Orbital plate of the maxilla (correct)
  • Frontal process of maxilla
  • Orbital plate of the ethmoid

    • Which structures contribute to the roof of the nasal cavity?

  • Lacrimal and ethmoid bones
  • Frontal and nasal bones (correct)
  • Maxilla and zygomatic bone
  • Body of the sphenoid and maxilla

    • What primarily makes up the medial wall of the nasal cavity?

  • Vomer and sphenoid
  • Perpendicular plate of the ethmoid and vomer (correct)
  • Perpendicular plate of palatine bone and maxilla
  • Frontal process of the maxilla and lacrimal bone

    • What do the facial muscles surround?

    <p>Facial openings</p> Signup and view all the answers

    Which part of the nasal cavity is separated by the nasal septum?

    <p>Right and left halves</p> Signup and view all the answers

    What structure is located midway between the upper and lower borders of the mandibular body?

    <p>Mental foramen</p> Signup and view all the answers

    Which tubercle is associated with the mental protuberance?

    <p>Mental tubercle</p> Signup and view all the answers

    What feature of the ramus runs obliquely downward and forward?

    <p>Mylohyoid groove</p> Signup and view all the answers

    Which process is located in front of the mandibular notch?

    <p>Coronoid process</p> Signup and view all the answers

    What is the term for the pair of spines near the lower part of the symphysis?

    <p>Genial tubercles</p> Signup and view all the answers

    What does the superior or alveolar border of the mandible primarily accommodate?

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

    Which fossa is an oval depression located below the mental spines?

    <p>Digastric fossa</p> Signup and view all the answers

    How many paranasal sinuses are there?

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

    What is the function of the paranasal sinuses?

    <p>Act as air conditioning</p> Signup and view all the answers

    Which sinus is located below the orbit?

    <p>Maxillary sinus</p> Signup and view all the answers

    Where does the sphenoidal sinus open?

    <p>Into the nasal cavity</p> Signup and view all the answers

    Which wall of the maxillary sinus is shared with the inferior wall of the orbit?

    <p>The roof</p> Signup and view all the answers

    What forms the roof of the orbit?

    <p>Frontal bone</p> Signup and view all the answers

    What is the primary shape of the orbit?

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

    Which structures border the maxillary sinus?

    <p>Maxilla and zygomatic bone</p> Signup and view all the answers

    What is the medial margin of the orbit formed by?

    <p>Maxilla and frontal bone</p> Signup and view all the answers

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