Maintaining a normal blood gas composition is ensured by:
A. ventilation of the alveoli, diffusion, perfusion
B. ventilation of the alveoli, dyspnea, diffusion
C. hyperpnea, tachypnea, perfusion
D. perfusion, hyperventilation, polypnoe
E. external respiration, gas exchange in the lungs
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Under what pathological processes does lung perfusion decrease:
A. impaired contractility of the right ventricle
B. reducing the time of contact of blood with alveolar air
C. decrease in the total area of membranes
D. thickening of the alveolar-capillary membrane
E. hyaline membrane syndrome
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