You Are Called to the Room of a 28-Week Gestational

question 22

Multiple Choice

You are called to the room of a 28-week gestational age newborn boy who was placed on pressure-limited mechanical ventilation and given surfactant therapy 2 hours ago.He is hypocapnic,and his tidal volumes are higher than were previously documented.What may be the cause of this finding?

• A)Airway occlusion
• B)Overoxygenation
• C)Lung compliance has improved
• D)He needs another dose of surfactant

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Definitions:

Population Mean

The average value of all the items in a population.

Confidence Level

A measure of certainty or probability, expressed as a percentage, that a specified parameter lies within a specified interval in statistical analysis.

Sample Size

The number of observations or data points collected from a population for the purpose of statistical analysis.

Confidence Interval

A span of numbers, obtained from sampled data, that probably includes the value of an unseen population measure within a specified confidence level.