At What Point in Prenatal Development Do the Lungs Begin

question 4

Multiple Choice

At what point in prenatal development do the lungs begin to produce surfactant?

• A) 17 weeks
• B) 20 weeks
• C) 25 weeks
• D) 30 weeks

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Definitions:

Regression Line

A straight line that best fits the data points on a scatter plot, showing the relationship between two variables.

Standardized Residual

The difference between the observed and predicted values, divided by the standard deviation of the residuals.

Standard Error

A statistic that measures the variability or precision of the sampling distribution of a statistic.

Autocorrelated

A characteristic of a series where subsequent observations in the series are correlated with one another.