In the Are You Equipped? Section at the Beginning of the Chapter

question 17

Multiple Choice

In the Are You Equipped? section at the beginning of the chapter, a study was described looking at the relationship between birth weight and adolescent depression.In this study, what as the dependent variable?

• A)birth weight
• B)adolescent depression
• C)the weight of mother
• D)mother depression

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Definitions:

Ventricular Repolarization

The process by which the heart's ventricles return to their resting state after contraction, indicated by the T-wave in an ECG.

ECG

Electrocardiogram, a test that records the electrical activity of the heart to detect heart problems.

T Wave

A feature on an electrocardiogram (ECG) representing the repolarization of the ventricles of the heart.

R Wave

Part of the QRS complex in an electrocardiogram (ECG) representing ventricular depolarization, which precedes ventricular contraction.