During the assessment of a client's external ear canal, the nurse identifies a painful pustule. The nurse realizes this assessment finding could be caused by:
1. furunculosis.
2. exostoses.
3. hemotympanum.
4. acute otitis media.
1
Infection of the hair follicle in the ear, or furunculosis, is caused by a painful boil-like pustule in the external ear canal. Exostoses are hard, bony lesions deep in the external ear canal. Hemotympanum is blood in the middle ear. Acute otitis media causes inflammation of the middle ear that is diagnosed by assessing the tympanic membrane.
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