What is the correct term for blood flow through the lung?
1. Perfusion
2. Inspiration
3. Respiration
4. Expiration
1
Rationale 1: Although they have no smooth muscle, the alveoli are abundantly rich in capillaries. An extremely thin membrane in the alveoli allows gases to move readily between the internal environment of the blood and the inspired air. As oxygen crosses this membrane, it is exchanged for carbon dioxide, a cellular waste product that travels from the blood to the air. The lung is richly supplied with blood. Blood flow through the lung is called perfusion.
Rationale 2: Blood flow through the lung is called perfusion.
Rationale 3: Blood flow through the lung is called perfusion.
Rationale 4: Blood flow through the lung is called perfusion.
Global Rationale: Although they have no smooth muscle, the alveoli are abundantly rich in capillaries. An extremely thin membrane in the alveoli allows gases to move readily between the internal environment of the blood and the inspired air. As oxygen crosses this membrane, it is exchanged for carbon dioxide, a cellular waste product that travels from the blood to the air. The lung is richly supplied with blood. Blood flow through the lung is called perfusion. Inspiration, expiration, and respiration are not the terms for blood flow through the heart.
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