<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 48-year-old female comes into the ER with chest pain. An electrocardiogram EKG shows a heart beat of this individual in Image A. The QR segment best correlates with what part of the action potential of the ventricular myocyte shown in Image B?? A: Phase 0, which is primarily characterized by sodium influx, B: Phase 0, which is primarily characterized by potassium efflux, C: Phase 1, which is primarily characterized by potassium and chloride efflux, D: Phase 1, which is primarily characterized by calcium efflux, E: Phase 3, which is primarily characterized by potassium efflux,  <response>: This is a question about correlating parts of an EKG waveform with phases of the cardiac action potential. Image A shows a typical EKG waveform with the QR segment highlighted. Image B shows the phases of the ventricular myocyte action potential. To answer this, we need to determine which phase of the action potential corresponds to the QR segment on the EKG.A: Phase 0, which is primarily characterized by sodium influx 