The amount of pressure required by a ventilator to maintain tidal volume when there is no gas flow is known as:
a. Pplateau. c. peak expiratory pressure.
b. peak inspiratory pressure. d. Maximum inspira-tory pressure.
Q. 2 Patients with restrictive pulmonary disease demonstrate a decrease in which of the following measurements?
1. Vital capacity
2. Total lung capacity
3. Forced expiratory flow from 25 to 75 of the vital capacity (FEF25-75)
4. Ratio of forced expiratory volume in 1 second to vital capacity (FEV1/VC)
a. 1 and 2 c. 1 and 4
b. 2 and 3 d. 3 and 4
Q. 3 Total lung capacity is a result of:
a. vital capacity plus residual volume.
b. inspiratory capacity plus residual volume.
c. inspiratory capacity plus expiratory resid-ual volume.
d. inspiratory reserve volume plus functional residual capacity.
Q. 4 Expiratory residual volume plus residual volume equals:
a. functional residual capacity. c. total lung capacity.
b. inspiratory capacity. d. vital capacity.
Q. 5 Vital capacity is the sum of which of the following?
1. Residual volume
2. Inspiratory capacity
3. Expiratory reserve volume
4. Inspiratory reserve volume
5. Functional residual capacity
a. 2 and 3 c. 2 and 5
b. 1 and 4 d. 3 and 4
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