Pneumatic bones – Anatomy MCQ

Which of the following is not a pneumatic bone?
A. Frontal bone
B. Sphenoid
C. Maxilla
D. Mandible

Correct answer : D. Mandible

Pneumatic bones

paranasal sinuses

Paranasal sinuses: Frontal (1), Ethmoid (2), Sphenoid (3), Maxillary (4)

  • Pneumatic bones are those which enclose an air filled cavity
  • They are seen in relation to the nasal cavity (paranasal sinuses) and the middle ear
  • The pneumatic bones are:
    • Frontal
    • Sphenoid
    • Ethmoid
    • Maxilla
    • Temporal (mastoid air cells)

Image : Wikipedia