An 18-Month-Old Child Is Brought to the Emergency Department by Their

question 14

Multiple Choice

An 18-month-old child is brought to the Emergency Department by their parents who explain that their child swallowed a watch battery. Radiologic studies show that the battery is in the lungs. Which area of lung is the battery most likely to be in?

• A) Right upper lung
• B) Left upper lung
• C) Right lower lung
• D) Left lower lung

---

Definitions:

Variance

A measure of the dispersion of a set of data points around their mean, indicating how spread out the data points are.

Data

Facts and statistics collected together for reference or analysis, often seen as the basis for decision making or scientific research.

Sum of Squared Scores

The total obtained by squaring each deviation from the mean in a set of scores and then summing these squares, used to measure data variability.

Data

Data gathered for the purposes of reference or examination.