Podcast
Questions and Answers
Which type of spirometry graph shows volume (litres) along the y-axis and time (seconds) along the x-axis?
Which type of spirometry graph shows volume (litres) along the y-axis and time (seconds) along the x-axis?
- Volume-flow loop
- Volume-time curve (correct)
- Flow-volume loop
- Rate-time curve
What is the main purpose of a spirometer?
What is the main purpose of a spirometer?
- To analyze lung compliance
- To measure volume of gases inhaled
- To measure respiratory flow rate and volumes (correct)
- To calculate respiratory capacities
Which component of a spirometer graphically represents the rate of airflow on the y-axis?
Which component of a spirometer graphically represents the rate of airflow on the y-axis?
- Flow rate (correct)
- Residual volume
- Total volume inspired
- Total volume expired
What device is used in modern spirometers for flow measurement?
What device is used in modern spirometers for flow measurement?
Which spirometer component is responsible for translating the change in volume of gases into vertical motion of a bell?
Which spirometer component is responsible for translating the change in volume of gases into vertical motion of a bell?
What parameter is proportional to the excursion of the bell in a water-sealed spirometer?
What parameter is proportional to the excursion of the bell in a water-sealed spirometer?
Which type of device can be found in a modern spirometer for flow measurement?
Which type of device can be found in a modern spirometer for flow measurement?
What does a flow-volume loop graphically depict?
What does a flow-volume loop graphically depict?
How is the volume of gases exhaled by a patient typically measured during spirometry?
How is the volume of gases exhaled by a patient typically measured during spirometry?
What is the primary use of a pneumotachometer in spirometry?
What is the primary use of a pneumotachometer in spirometry?
