<prompt> Which of the following statement regarding Eustachian tube dysfunction is wrong?Undistoed light image on the anterior quadrant of tympanic membraneNo movement of the tympanic membrane on siegels methodMalleus is easily visibleLusterless tympanic membrane  <response>: Normally Eustachian tube ET is closed and opens intermittently during yawning, swallowing and sneezing through active contraction of Tensor vili palatini muscle. 