Pаtient Histоry: The pаtient is аn 18 mоnth оld male. When asked about the biggest complaint from the patient,caregivers report that the patient has been pulling at his ears and appears to have mild eardiscomfort/pain. Caregivers state that the patient has not been as responsive to voices andsounds in his environment as he typically is. They state that he presents an overall reducedresponse to sound. All of the other symptoms, hearing loss and ear discomfort, have beenpresent for the last 48 hours. When asked about the patient's home environment, caregiversstate that the patient is exposed to tobacco smoke, as there are two tobacco smokers in thehousehold. When asked about recent medical history, caregivers stated that he recently had amild cold a week ago. No other notable family or medical history was mentioned. Clinical findings: Otoscopic findings: Otoscopic examination revealed a visible air-fluid level (meniscus) behindthe tympanic membrane.Pure-tone audiogram results: Mild flat conductive hearing loss, (20–30 dB HL), acrossfrequencies.Tympanometry: Type B tympanogram with normal ear canal volume. Acoustic reflexes: Acoustic reflexes were absent Question: After learning the symptoms which are presented by the patient and the researchersclinical findings, what is most likely the diagnosis?”