Mastoiditis refers to inflammation of which bone?

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Multiple Choice

Mastoiditis refers to inflammation of which bone?

Explanation:
Mastoiditis is an inflammation of the mastoid process, which is part of the temporal bone located behind the ear. The mastoid contains air-filled cells communicating with the middle ear, so infection from otitis media often spreads here, causing localized swelling and pain behind the ear. The frontal, occipital, and sphenoid bones don’t contain the mastoid air cell system, so they aren’t the bones involved in mastoiditis. That connection to the mastoid air cells within the temporal bone makes this the correct choice.

Mastoiditis is an inflammation of the mastoid process, which is part of the temporal bone located behind the ear. The mastoid contains air-filled cells communicating with the middle ear, so infection from otitis media often spreads here, causing localized swelling and pain behind the ear. The frontal, occipital, and sphenoid bones don’t contain the mastoid air cell system, so they aren’t the bones involved in mastoiditis. That connection to the mastoid air cells within the temporal bone makes this the correct choice.

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