Air leaving the lungs (exhaling) is called

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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

Air leaving the lungs (exhaling) is called

Explanation:
Exhaling is expiration, the phase of breathing when air leaves the lungs. This occurs as the chest wall and diaphragm relax, allowing the lungs to recoil and pressure to rise above atmospheric, pushing air out. In contrast, inspiration is taking air in. Ventilation refers to the overall process of moving air into and out of the lungs, covering both inhalation and exhalation. Perfusion describes the flow of blood through the lung tissue to enable gas exchange. Since the question asks for the term for air leaving the lungs, expiration is the correct term.

Exhaling is expiration, the phase of breathing when air leaves the lungs. This occurs as the chest wall and diaphragm relax, allowing the lungs to recoil and pressure to rise above atmospheric, pushing air out. In contrast, inspiration is taking air in. Ventilation refers to the overall process of moving air into and out of the lungs, covering both inhalation and exhalation. Perfusion describes the flow of blood through the lung tissue to enable gas exchange. Since the question asks for the term for air leaving the lungs, expiration is the correct term.

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