Studies That Have Evaluated Concordance Rates for Depressive and Bipolar

question 229

Multiple Choice

Studies that have evaluated concordance rates for depressive and bipolar disorders have found

• A)only unipolar disorder has a genetic component.
• B)the influence of genetic factors appears to be stronger for unipolar disorders than for bipolar disorders.
• C)the influence of genetic factors is the same for both bipolar and unipolar disorders.
• D)the concordance rate for identical twins is much higher than the rate for fraternal twins.

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Definitions:

Density

The mass per unit volume of a substance, often measured in grams per cubic centimeter or kilograms per cubic meter.

Volume

The volume of a material or item is determined by the space it fills or is contained within a vessel.

Material

Any substance or mixture of substances intended for use in various processes or for the manufacture of products.

Density

Density is a physical property that measures the mass of a substance per unit volume, used to characterize the compactness of a material.