The U Wave, Which Follows the T Wave in an ECG

question 37

Multiple Choice

The U wave, which follows the T wave in an ECG tracing, represents:

• A)repolarization of the ventricles.
• B)the time required for ventricular depolarization and repolarization.
• C)the end of ventricular depolarization and the beginning of ventricular repolarization.
• D)repolarization of the Purkinje fibers and the bundle of His.

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Definitions:

Brach/i

A combining form meaning arm, or relating to the arm or branches.

Ventral

Pertaining to the front or anterior part of the body in both humans and animal; opposite of dorsal.

Belly Side

The front part of the human body or the surface of an animal's body that contains the stomach.

Cilia

Hair-like structures on the surface of cells that move in wave-like motions, aiding in transport and movement.