Pulmonary Function Testing
A person with asthma or chronic bronchitis would have a decreased vital
capacity, maximal breathing capacity. Since vital and maximal breathing
capacity is decreased, their FEV1.0 (forced expiratory volume in one
second) is less as well.
various factors that affect vital capacity.
Fitness level of the person
Smoker or non smoker Obesity
Height and sex
factors affecting diffusing capacity in the lung.
Definition: diffusing capacity is a measure of how well oxygen and carbon
dioxide are transferred (diffused) between the lungs and the blood
Smoker or non smoker