<prompt> Mullers maneuver is ?Forceful expiration against closed glottisForceful inspiration against closed glottisForceful expiration against open glottisReverse of Valsalvas maneuver  <response>: Ans. is d i.e., Reverse of Valsalvas maneuver Mullers maneuvre : - A flexible endoscope is passed through the nose and the patient asked to inspire vigrously with nose and mouth completely closed. Look for collapse of the soft tissues at the level of base of tongue and just above the soft palate. Level of pharyngeal obstruction can be found. In Valsalvas maneuver the person expires vigrously with nose and mouth closed completely. So, Mullers maneuver is opposite to Valsalvas maneuver. 