Q:
      
      
         
            
The p wave of a normal Electrocardiogram indicates
         
       
      
      
      
          
      
      
          Answer & Explanation
         Answer: A) atrial depolarization         
         
Explanation: The P wave in the ECG represents atrial depolarization, which results in atrial contraction, or atrial systole.
The P wave is a summation wave generated by the depolarization front as it transits the atria.
       
      
      
      
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