Which sinuses are usually aerated at birth?
A) Maxillary only
B) Maxillary and frontal only
C) Maxillary,ethmoid,and sphenoid
D) All paranasal sinuses are aerated at birth,if normal

Question

Quizplus · Accepted Answer

At birth, the maxillary and ethmoid sinuses are usually aerated. The sphenoid sinuses begin to develop shortly after birth but are not fully aerated until later in childhood. The frontal sinuses develop even later, typically becoming aerated around age 6-8.

Which Sinuses Are Usually Aerated at Birth