Apr '15
13
MCAT Question of the Day | MCAT Course


  • Q:

    Compared to human lungs with more numerous, smaller alveoli (where gas exchange occurs), which of the following best describes the size/volume relationship of human lungs with fewer, larger alveoli? Assume both sets of lungs are the same size, and thus the only difference being more numerous, smaller alveoli in the first set of lungs compared to fewer, larger alveoli in the second set of lungs.

     

    A

    The surface to volume ratio is much greater for the second pair of lungs compared to the first, leading to less efficient gas exchange in the second lungs

    B

    The surface to volume ratio is much greater for the second pair of lungs compared to the first, leading to more efficient gas exchange in the second lungs

    C

    The surface to volume ratio is much greater for the first pair of lungs compared to the second, leading to a less efficient gas exchange in the first lungs

    D

    The surface to volume ratio is much greater for the first pair of lungs compared to the second, leading to a more efficient gas exchange in the first lungs




    Tags: Respiratory System | Suggest a tag
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