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Physiology
A 49-year-old man has a pulmonary embolism that completely blocks blood flow to his left lung. As a result, which of the following will occur?
Ventilation/perfusion (V/Q) ratio in the left lung will be zero
Systemic aerial PO2 will be elevated
V/Q ratio in the left lung will be lower than in the right lung
Alveolar PO2 in the left lung will be approximately equal to the PO2 in inspired air
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