DrOliver Is Investigating Whether Depression Is a Determinant of the Development

question 50

Multiple Choice

Dr.Oliver is investigating whether depression is a determinant of the development of cardiovascular disease.To measures the strength of the relation between depression and cardiovascular disease, she would use a(n) ______.

• A)incidence rate
• B)retrospective study
• C)prevalence rate
• D)correlation coefficient

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Definitions:

Melatonin Production

The process by which the pineal gland in the brain secretes melatonin, a hormone that regulates sleep-wake cycles.

Circadian Rhythms

Internal biological clocks that regulate various physiological processes and behaviors on approximately a 24-hour cycle, including the sleep-wake cycle.

Seasonal Affective Disorder

A type of depression that occurs at a specific time of year, usually during winter, when there is less natural sunlight.

Cyclothymic Disorder

A mental disorder characterized by mood swings that are less severe than those in bipolar disorder.