ANATOMY
LIMB VASCULATURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is false?
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Function residual capacity includes tidal volume, residual volume, and expiatory reserve volume.
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The SA node has a 0.1 second delay to give time for the ventricles to fill.
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If someone has a positive inflection in V1 and a negative inflection in V5, this means they have LVH.
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Alveolar cell type I creates surfactant to prevent the alveoli from collapsing.
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Explanation:
Detailed explanation-1: -Typically, type 1 alveolar cells comprise the major gas exchange surface of the alveolus and are integral to the maintenance of the permeability barrier function of the alveolar membrane. Type 2 pneumocytes are the progenitors of type 1 cells and are responsible for surfactant production and homeostasis.
Detailed explanation-2: -Surfactant is released from the lung cells and spreads across the tissue that surrounds alveoli. This substance lowers surface tension, which keeps the alveoli from collapsing after exhalation and makes breathing easy.
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