Question

select all that apply
in which four bones are paranasal sinuses located?
□ ethmoid
□ nasal
□ mandibular
□ frontal
□ sphenoid
□ maxilla

Explanation:

Paranasal sinuses are air - filled spaces in the skull. The ethmoid bone has ethmoidal sinuses. The frontal bone has frontal sinuses. The sphenoid bone has sphenoidal sinuses. The maxilla has maxillary sinuses. The nasal bone is a small bone forming the bridge of the nose and does not contain paranasal sinuses. The mandibular bone (jaw bone) also does not contain paranasal sinuses.

Answer:

ethmoid, frontal, sphenoid, maxilla