lung function Q2

COPD, asthma, cystic fibrosis.

interstitial lung disease, sarcoidosis.

True (A)

<p>the volume of gas exhaled in 1 sec by a forced expiration from a full/max inhalation.</p> Signup and view all the answers

<p>total volume of gas that can be exhaled after a full inspiration.</p> Signup and view all the answers

<p>it suggests the airway is constricted.</p> Signup and view all the answers

<p>forced expiratory ratio, FEV1/FVC</p> Signup and view all the answers

<p>1- narrowed airway. 2- air is exhaled more slowly than normal. 3- residual volume may be higher than normal.</p> Signup and view all the answers

<p>1- restrict the expansion of the lungs. 2- may be caused by the stiffness of the lungs or chest wall, damaged nerves.</p> Signup and view all the answers

<p>increases TLC and RV, and FRC. decrease FVC.</p> Signup and view all the answers

Conditions causing narrowed airways, slowed exhalation, and potentially increased residual volume.

Conditions limiting lung expansion, often due to stiffness or damage.

Volume of air exhaled in one second during a forced breath.

Total exhaled volume after maximum inhalation.

Ratio of forced expiratory volume in 1 second (FEV1) to forced vital capacity (FVC).

Suggests airway constriction; reduced ratio of exhaled volume.

Narrowed airways, slower exhalation, and possibly high residual volume.

Limited lung expansion, potential stiffness or damaged nerves.

Increases in Total Lung Capacity (TLC), Residual Volume (RV), and Functional Residual Capacity (FRC); decreases in Forced Vital Capacity (FVC).

Abnormal forced exhalation is common in lung diseases.