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Question: 1 / 400

What does the term "spirometry" refer to?

A procedure to evaluate lung diffusion capacity

A test to measure lung volumes and airflow rates

Spirometry specifically refers to the test designed to measure lung volumes and airflow rates. This procedure is essential in assessing pulmonary function, helping to determine how well air moves in and out of the lungs. It quantifies various parameters, such as forced vital capacity (FVC) and forced expiratory volume in one second (FEV1), which are crucial for diagnosing conditions such as asthma, chronic obstructive pulmonary disease (COPD), and restrictive lung diseases.

The significance of measuring lung volumes and airflow rates through spirometry lies in its ability to provide insight into both obstructive and restrictive patterns of lung disease. This contrasts with other procedures that focus on different aspects of lung function, such as diffusion capacity or blood oxygen levels. Therefore, understanding and performing spirometry is vital for any healthcare professional involved in pulmonary care.

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A method for measuring oxygen levels in the blood

A technique for lung imaging

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