In Which of the Following Situations Is Volume-Controlled Ventilation Sometimes

question 30

Multiple Choice

In which of the following situations is volume-controlled ventilation sometimes used?
I.when a precise PaCO₂ has to be maintained (some closed-head injuries)
II.when more even distribution of ventilation is required
III.when ventilating patients with severe, refractory hypoxemia
IV.when ventilating patients with unstable or changing ventilatory drives

• A)I and II
• B)III and IV
• C)I, II, and III
• D)I, III, and IV

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Definitions:

Prediction Interval

A prediction of the range within which future data points are expected to lie, based on current observations, with a specified level of confidence.

Confidence Interval

An interval of values, coming from sample-based data, likely to hold the value of an undetermined parameter of a population.

Standard Error

A statistical measure that represents the accuracy with which a sample distribution represents a population using the standard deviation.

P-value

The odds of getting results from a test that are as extreme as or exceed the extremity of the observed results, on the assumption that the null hypothesis is in effect.