What is vital capacity of our lungs? |
|
a) |
Inspiratory reserve volume plus tidal volume |
b) |
Total lung capacity minus expiratory reserve volume |
c) |
Inspiratory reserve volume plus expiratory reserve volume |
d) |
Total lung capacity minus residual volume |
What is vital capacity of our lungs? |
|
a) |
Inspiratory reserve volume plus tidal volume |
b) |
Total lung capacity minus expiratory reserve volume |
c) |
Inspiratory reserve volume plus expiratory reserve volume |
d) |
Total lung capacity minus residual volume |
(d)
Total lung capacity is the sum of vital capacity and residual volume. Vital capacity of our lungs is total lung capacity minus residual volume.
Which of the following statements is not true? |
|
a) |
The partial pressure of oxygen in deoxygenated blood is 40 mm Hg |
b) |
The partial pressure of oxygen in oxygenated blood is 95 mm Hg |
c) |
The partial pressure of oxygen in the alveolar air is 104 mm Hg |
d) |
The partial pressure of carbon dioxide in deoxygenated blood is 95 mm Hg |
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