What does a spirometer measure?

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Study for the AAMI Certified Associate in Biomedical Technology Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

What does a spirometer measure?

Explanation:
A spirometer measures airflow and lung volumes. It works by having the patient breathe into a mouthpiece connected to a sensor, which records how much air is moved and how fast it moves during breathing. This yields values for volumes such as tidal volume and vital capacity, and flow measurements like FEV1 and FVC, helping assess how well the lungs are functioning and distinguishing patterns of obstructive or restrictive disease. Other measurements—blood glucose, heart rate, and oxygen saturation—are obtained with different tools (glucose meters, heart-rate monitors, or pulse oximeters), not with a spirometer.

A spirometer measures airflow and lung volumes. It works by having the patient breathe into a mouthpiece connected to a sensor, which records how much air is moved and how fast it moves during breathing. This yields values for volumes such as tidal volume and vital capacity, and flow measurements like FEV1 and FVC, helping assess how well the lungs are functioning and distinguishing patterns of obstructive or restrictive disease. Other measurements—blood glucose, heart rate, and oxygen saturation—are obtained with different tools (glucose meters, heart-rate monitors, or pulse oximeters), not with a spirometer.

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