QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
"Gas exchange in the lungs is facilitated by:
Select one:
A. Adequate amounts of surfactant.
B. Pulmonary capillary constriction.
C. Water or blood within the alveoli.
D. Surfactant-destroying organisms."
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Answer
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Step 1I'll solve this problem step by step, focusing on the key concepts of gas exchange in the lungs.
Step 2: Understand the Physiology of Gas Exchange
Gas exchange occurs in the alveoli, the tiny air sacs in the lungs where oxygen and carbon dioxide are transferred between the air and blood.
Final Answer
Adequate amounts of surfactant Explanation: Surfactant is critical for maintaining alveolar structure and facilitating efficient gas exchange by reducing surface tension and preventing alveolar collapse.
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