A Test That Measures the Electrical Activity of the Heart

question 71

Multiple Choice

A test that measures the electrical activity of the heart is called a(n)

• A) coronary arteriogram.
• B) electroencephalogram.
• C) echocardiogram.
• D) electrocardiogram.

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Definitions:

Dimensions

Measurements in length, width, and depth that define the size and shape of an object or the magnitude of a concept.

Nonspectral Colors

Colors that do not appear in the spectrum because they arise from the mixing of various wavelengths of light, such as purple, magenta, or pink.

Additive Color Mixing

A method of creating color by mixing various amounts of red, green, and blue light, used in technologies like computer screens and televisions.

Trichromatic Theory

A theory of color vision that suggests the human eye has three types of receptors with differing sensitivities to different light wavelengths, typically referred to as blue, green, and red receptors.