A Child with Coarctation of the Aorta (COA) Is Scheduled

question 15

Multiple Choice

A child with coarctation of the aorta (COA) is scheduled for a chest x-ray. Which observation in the x-ray report confirms the condition?

• A) Inverted 3 sign
• B) Areas of hyperinflation
• C) Enlarged pulmonary artery
• D) Lack of pulmonary circulation

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Definitions:

Standard Deviation

A statistic that measures the dispersion or variability of a dataset relative to its mean.

Standard Deviation

An indicator of the spread or fluctuations in a data set, showing the degree to which the data points deviate from the average value.

Parameter

A numerical characteristic of a statistical population, such as a mean or standard deviation, that describes some aspect of the population.

Simple Random Sample

A sample in which each member of the population has an equal chance of being selected.