Selye Reported Several Structural Changes in Rats Exposed to Repeated

question 2

Multiple Choice

Selye reported several structural changes in rats exposed to repeated stressors.These included:

• A) Hypertrophy of the thymus gland
• B) Ulceration in the gastrointestinal system
• C) Atrophy of the cortex in the adrenal gland
• D) Fight or flight response

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Definitions:

Dependent Variable

In an experiment or statistical model, the variable that is being tested and measured, often influenced by the independent variable(s).

Independent Variable

In an experiment, the variable that is intentionally changed to observe its effect on the dependent variable.

Least Squares Estimate

A statistical method used to determine the line of best fit by minimizing the sum of squares of the differences between observed and predicted values.

Intercept

The point at which a line crosses the axis in a graph, often associated with the starting value of a function when all independent variables equal zero.