A Prothrombin Time Assay Should Be Conducted Within ____ Hours

question 19

Multiple Choice

A prothrombin time assay should be conducted within ____ hours after specimen collection.

• A) 2
• B) 4
• C) 8
• D) 24

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Definitions:

Atom

The basic unit of a chemical element, consisting of a nucleus of protons and neutrons, and electrons orbiting the nucleus.

Spectrum Color

The band of colors produced when light is separated into its component wavelengths, visible as when passing through a prism.

Speed of Light

The speed at which light waves propagate through different mediums; in a vacuum, it is approximately 299,792 kilometers per second.

Wavelength

A measure of the distance between two identical points (such as peaks) in consecutive cycles of a wave.