Which Condition Occurs When the Muscle Between the Esophagus and the Stomach

question 49

Multiple Choice

Which condition occurs when the muscle between the esophagus and the stomach is weak or relaxes inappropriately?

• A)gastroesophageal reflux disease
• B)inguinal hernia
• C)bulimia
• D)anorexia nervosa

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Definitions:

Pooled Standard Deviation

A method for estimating standard deviation across two or more groups that assumes equal variances.

Sample Means

Sample means are the average values calculated from subsets (samples) taken from a larger population.

Population Standard Deviation

A measure of the dispersion or variability of all data points in an entire population, signifying the spread from the population mean.

Sample Standard Deviations

Measures of the dispersion or variation in a sample data set, indicating how spread out the data points are from the mean.