In the ECG pattern, the P wave is soon followed by the P-Q segment, which represents
A)atrial systole.
B)ventricular diastole.
C)atrial repolarization.
D)atrial diastole.
E)ventricular systole.

Question

Quizplus · Accepted Answer

The P-Q segment represents the time between atrial depolarization (P wave) and ventricular depolarization (QRS complex), during which the atria are in systole (contracting). Therefore, option A is the best choice.

In the ECG Pattern, the P Wave Is Soon Followed