The volume of air that can be voluntarily exhaled at the end of a single resting respiratory cycle is known as
D)inspiratory reserve volume.
E)expiratory reserve volume.
Diagnostic tests on a 50-year-old male show the following results: IRV = 3000 ml, ERV = 900 ml, tidal volume = 500 ml, residual volume = 1300 ml
What is this patient's vital capacity?
How does fluid accumulation in the lungs affect vital capacity?
A)Vital capacity increases in females but not in males.
B)Vital capacity decreases in females but not in males.
C)Vital capacity increases in both sexes equally.
D)Vital capacity decreases in both sexes equally.
E)Accumulating fluid has no effect on vital capacity.
When the chest cavity has been penetrated, as in a pneumothorax, the amount of air in the respiratory system is reduced to the
E)inspiratory reserve volume.