Free AAMA Certified Medical Assistant (CMA) Practice Question
Spirometry, a common PFT, can differentiate between obstructive and restrictive lung diseases by measuring the volume of air expelled from the lungs and the speed of the exhalation.
The statement is correct because spirometry is indeed used to measure the amount (volume) and the speed (flow) at which air can be inhaled and exhaled from a patient's lungs. This information helps to differentiate between obstructive lung diseases, where exhalation is impaired, and restrictive lung diseases, where lung expansion is limited.
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What are obstructive and restrictive lung diseases?
What is forced vital capacity (FVC) and forced expiratory volume (FEV1)?
How does spirometry work and what are the steps involved in the test?
This question's topic:
AAMA Certified Medical Assistant (CMA) /
Clinical Competency
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