Which of the following statements most accurately describes the characteristics of biphasic waveforms?
a. Biphasic waveforms consist of two phases, a positive and a negative phase
b. Biphasic waveforms are commonly used in defibrillation and cardioversion
c. Biphasic waveforms have been shown to be more effective than monophasic waveforms in terminating ventricular fibrillation
d. Biphasic waveforms have a shorter duration compared to monophasic waveforms