Which of the Following Is True of I:E Ratio

question 18

Multiple Choice

Which of the following is true of I:E ratio?

• A) Refers to inspiratory flow to expiratory flow
• B) Inspiration is always longer than expiration
• C) Long time constants need greater than 1:2 ratio
• D) Higher I:E ratios are better tolerated with short time constants

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Definitions:

Substitute Resource

Alternative resources or inputs that can be used in place of another in the production process to produce a similar type of output.

Productivity

The efficiency with which input resources are converted into outputs, often measured as the ratio of output to input in a given time period.

Law of Diminishing Returns

The principle that as investment in a single factor of production increases, holding all others constant, the incremental gains in output will eventually decrease.

Law of Diminishing Marginal Utility

states that as a person consumes more of a good or service, the utility (satisfaction) gained from each additional unit decreases.