What Was The FEV1 At The Initial Radius Of 5 Mm? The FEV1 (%) at a radius of 5 mm is 73.9% (3541/4791 100%). What was the FEV1 percent at the initial radius of 5.00 mm? What was the FEV1 (%) at the initial radius of 5.00 mm? The FEV1 at the initial radius was
Is Quiet Expiration Active Or Passive? Quiet expiration is a passive process occurring at rest, whereas forced expiration is an active process that occurs during exercise. Quiet respiration depends on elastic recoil of the lungs after inspiratory stretching, elastic recoil of the costal cartilages, and the relaxation of the inspiratory muscles. Is expiration active or