Under normal circumstances,sinuses are filled with
A) fluid
B) blood
C) air
D) bones of the cranium
Correct Answer:
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Q9: The deeper sinuses,particularly the ethmoid,are most commonly
Q10: The crescent-shaped groove within the middle nasal
Q11: The major role of sinus cavities is
Q12: Most of the openings into the nasal
Q13: The lateral walls of the nasal cavity
Q15: The ethmoid sinuses are frequently called the
Q16: The most complicated portion of the nasal
Q17: The most posterior-superior part of the nasal
Q18: The lateral margin of the external nose
Q19: The vomer and ethmoid bones form the
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