<prompt> B-type tympanogram is seen in -Serous otitis mediaOssicular discontinuityOtosclerosisAll of the above  <response>: Ans. is a i.e., Serous otitis media Type of curseConditionA curve Normal peak height and pressureNormalEustachian tube obstructionAs curve It is also a variant of normal tympanogram but may be shallowOtosclerosisTumors of middle earFixed malleus syndromeTy mpanosclerosi sAd curveVariant of normal with high peakOssicular discontinuityPost stapedectomyMonometric ear drumB curveFlat or dome shaped curveIndicating lack of complianceFluid in middle earSecretory otitis mediaTympanic membrane perforationGrommet in earC curve negative peak pressureRetracted tympanic membraneFaulty function of eustachian tube, eustachian tube obstruction 