Final answer:
The correct option is:A) upward. vector pointing in the direction of the wave, which is a voltage (potential difference) vector. A depolarization wave moving toward the positive chest electrode in lead V6 will cause an upward deflection on the tracing.
Step-by-step explanation:
When a depolarization wave moves toward the positive chest electrode in lead V6, it will cause an upward deflection on the tracing. This is because during depolarization, the outer surface of the heart changes from positive to negative. The wave of depolarization is represented by a vector pointing in the direction of the wave, which is a voltage (potential difference) vector.
The correct option is:A) upward. vector pointing in the direction of the wave, which is a voltage (potential difference) vector. A depolarization wave moving toward the positive chest electrode in lead V6 will cause an upward deflection on the tracing. When this wave reaches the positive chest electrode in lead V6, it will result in an upward deflection on the tracing.