map Following the initial spirometry reading, Mr. Martinez completed a more thor

Question

map Following the initial spirometry reading, Mr. Martinez completed a more thorough pulmonary function test Selected results of this test are shown in the table Pulmonary function test Mr. MartinezNormal or FEV1 pre-bronchodilator (mL) FEV1 post-bronchodilator (mL) FVC pre- and post-bronchodilator (mL) Tidal volume, TV (mL) Inspiratory reserve volume, IRV (mL) Expiratory reserve volume, ERV (mL) Functional residual capacity, FRC (mL) 1650 1727 4215 491 2612 1112 3281 predicted 23840 23840 4800 500 3200 1100 2300 Based on the information above, which of the following statements can be made regarding Mr. Martinez's test results? Residual volume (RV) is lower than its expected value of 1200 mL. Ihe increase in FRC suggests restrictive pulmonary disease. The presence of asthma is not indicated FEV/FVC is

Explanation / Answer

The followd spirometry reading tells about lungs function, by this readings the functional capacity residual is heigh. A lowerd or elevated FRC often is an indication of some form of respiratory disease. For instance , emphysema, FRC is incresed , because the lungs are more compliant and equilibrium between the inward recoli of the lungs snd outwrd recoli of the chest.

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