Final answer:
The statement is true, as conditions like a second-degree heart block can cause more P waves than QRS complexes to appear per minute on an ECG, due to some atrial impulses not leading to ventricular contractions. Similarly, a third-degree block shows no correlation between atrial and ventricular activity.
Thus The statement is true.
Step-by-step explanation:
The statement would show more P waves than QRS complexes per minute is likely true. When analyzing an electrocardiogram (ECG), the P wave, QRS complex, and T wave are key components that represent different stages of the heart's electrical activity. The P wave indicates atrial depolarization, the QRS complex represents ventricular depolarization, and the T wave indicates ventricular repolarization. In certain cardiac conditions, such as a second-degree heart block, you may observe more P waves than QRS complexes because not all atrial electrical impulses lead to ventricular contractions.
The description provided indicates that only half of the P waves are followed by QRS complexes and T waves. Therefore, in this scenario, the number of P waves would exceed the number of QRS complexes, supporting the statement as true.
In the context of a third-degree block (complete heart block), there is no correlation between the P waves and QRS complexes. The atria and ventricles beat independently of each other, which would also result in scenarios where there are more P waves than QRS complexes observed per minute.
Thus The statement is true.