The Function of the Exhalation Valve in the External Circuit

question 23

Multiple Choice

The function of the exhalation valve in the external circuit is to do which of the following?

• A) Deflate during inspiration to allow the gas to go to the patient
• B) Inflate during inspiration to prevent leaks in the inspiratory circuit
• C) Inflate during inspiration to divert gas coming from the ventilator into the patient
• D) Inflate during expiration to allow the patient to exhale through the expiratory line

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Definitions:

National Norms

Statistical standards based on the performance of a national sample that provide benchmarks for comparing individual or group scores.

Interquartile Range

The Interquartile Range is a statistical measure of variability, defined as the difference between the upper and lower quartiles, used to describe the spread of data points in a dataset.

Mean

Mean is a statistical measure representing the average value in a set of numbers, calculated by adding all the values together and dividing by the number of values.

National Mean

The average score of a given population on a particular test or assessment.