List CPFT practice test

Verifying the accuracy of spirometers and plethysmographs using 3-liter syringes.

Identifying leaks in the system, pressure transducer errors, or sensor malfunctions.

Sterilization of mouthpieces, filters, and tubing to prevent cross-contamination.

Measuring FVC (Forced Vital Capacity) and FEV₁ (Forced Expiratory Volume in 1 second).

Determining TLC (Total Lung Capacity), FRC (Functional Residual Capacity), and RV (Residual Volume) using Helium Dilution or Body Plethysmography.

Assessing how well gases transfer across the alveolar-capillary membrane.

Performing Methacholine Challenge tests to diagnose asthma.

Monitoring oxygen consumption (VO₂) and heart rate during physical exertion.

Interpreting the shape of the expiratory and inspiratory curves to detect obstruction or restriction.

Comparing patient results against predicted norms based on age, height, and gender.

Computing FEV₁/FVC ratios and identifying the severity of lung disease.