anatomy and physiology mcqs

Question #671

Considering the nasal cavity, which of the following statements is correct?

The nasal cavity is made up of a number of bones:

  • The roof is formed from the nasal bone, cribriform plate of the ethmoid bone, and the body of the sphenoid bone.
  • The floor is formed anteriorly by the palatine processes of the maxilla, and posteriorly by the palatine bone.
  • The lateral wall is formed from the maxilla, and the three conchae (superior and middle nasal conchae are both part of the ethmoid bone, while the inferior nasal concha is a separate bone).
  • The medial wall or nasal septum is formed superiorly by the ethmoid bone, the vomer lies posteriorly and cartilage anteriorly.

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