PhysioEx 9 ex. 7 answers Post-lab Quiz for Measuring Respiratory

Part A
The minute ventilation is _______.
a   calculated by multiplying the rate of respiration times TV
b   the amount of air forcefully inhaled in 1 minute
c   the amount of air forcefully exhaled in 1 minute
d   the amount of air left in the lungs after 1 minute

Correct a
Part B
Under normal conditions, the forced expiratory volume is normally _______.
a   75 - 85% of the vital capacity
b   75 - 85% of the total lung capacity
c   50 - 60% of the total lung capacity
d   50 - 60% of the vital capacity

Correct a
Part C
When the radius of the airway was decreased, _______.
a   expiratory reserve volume decreased
b   residual volume decreased
c   vital capacity increased
d   tidal volume increased
e   residual volume decreased and expiratory reserve volume decreased

Correct a
Part D
During forced exhalation, _______.
a   the diaphragm, the internal intercostals and the external intercostals contract
b   the external intercostals contract
c   the internal intercostals contract
d   the diaphragm contracts

Correct c