<prompt> Maximum voluntary ventilation is25 Lmin50 Lmin100 Lmin150 Lmin  <response>: The maximal voluntary ventilation MVV is the largest volume of gas that can be moved into and out of the lungs in 1 min by voluntary effo. The normal MVV is 125 to 170 Lmin.Ref: Ganong review of medical physiology 23rd edition Page no: 593 