You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is In serous otitis media which one of the following statements is true - and explain in detail?
Lets look at the options one by one:
Serous otitis media:
Option a
Sensori neural deafness occurs as a complication in 80% of cases
This is not correct because serous otitis media leads to conductive type of hearing loss.
Option b
Intracranial spread of the infection complicates the clinical course
This is not true as complications of serous otitis media are:

Adhesive otitis media
Atrophy of tympanic membrane
[ Tympanosclerosis (chalky white deposits seen on membrane)
Atelectasis of middle ear
Ossicular necrosis
Cholesteatoma due to retraction pockets
Cholesterol granuloma due to stasis of secretions

Option c
This is correct because if medical management fails, best treatment is myringotomy with insertion of Tympanostomy tube (Grommet or ventilation tube)
Option d

Gram positive organism are grown routinely in culture in the aspirate
Absolutely incorrect because fluid collection in serous otitis media is sterile