Which of the following is NOT a paranasal sinus?
A)sphenoidal
B)frontal
C)mastoidal
D)maxillary

Name: Which of the following is NOT a paranasal sinus? A)sphenoidal B)frontal C)mastoidal D)maxillary
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Question

Quizplus · Accepted Answer

Mastoidal is not a paranasal sinus. The paranasal sinuses are air-filled spaces in the bones of the face that surround the nasal cavity and help to warm, humidify, and filter the air we breathe. The four paranasal sinuses are the sphenoidal, frontal, maxillary, and ethmoidal sinuses.

Which of the Following Is NOT a Paranasal Sinus