Answer :
Final answer:
A spirometer is essential for measuring air volume during breathing and diagnosing respiratory diseases using parameters like FEV1 and FVC.
Explanation:
Spirometer is the device used to measure the volume and flow of air during inspiration and expiration. It is crucial in assessing lung function and diagnosing respiratory diseases such as asthma, emphysema, and fibrosis.
One important measurement taken during spirometry is the forced expiratory volume (FEV), which measures how much air can be forced out of the lung over a specific period, usually one second (FEV1). Additionally, the forced vital capacity (FVC), the total amount of air that can be forcibly exhaled, is measured.
The FEV1/FVC ratio is used to diagnose lung diseases; a high ratio indicates lung fibrosis, while a low ratio is characteristic of asthma. Understanding these spirometry test results is essential in managing respiratory conditions.
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