What Is the Most Reliable Indicator of a Change in Airway

question 20

Multiple Choice

What is the most reliable indicator of a change in airway resistance due to bronchodilator administration during mechanical ventilation?

• A)change in slope of the expiratory flow-volume curve
• B)difference between peak airway and plateau pressures
• C)change in peak expiratory flow during passive exhalation
• D)difference between plateau and baseline (PEEP) pressures

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Definitions:

Packet of Rice

A pre-measured, packaged amount of rice, typically sold in a sealed bag or box.

Remaining

The portion of something that is left after other parts have been used, removed, or subtracted.

Variance

A measure of how much values in a set differ from the mean, used in statistics to represent variability within a dataset.

Random Variable

A variable whose values depend on outcomes of a random phenomenon, having a distribution that can be analyzed statistically.