A. Tidal volume B. Inspiratory reserve volume plus expiratory volume C. Tidal volume plus inspiratory reserve volume plus expiratory reserve volume D. Expiratory reserve volume plus reserve volume
A. It is secreted by type ii pneumocytes B. It contains lecithin and sphingomyelin C. It increases surface tension D. It prevents collapse of smaller alveoli
A. Increase in respiratory rate B. Increases in depth of respiration C. Increase in oxygen carrying capacity of blood D. Increase in partial pressure of co2
A. The relative proportion of reduced and oxygenated hemoglobin B. The absolute amount of reduced hemoglobin C. Thickness of the skin D. Fragility of capillaries
