Question 1 Please answer the following multiple choice questions (only 1 answer is correct) Question Title * 1. What are the mechanisms behind the observed VO2 max improvement? (plot # 3) a. An improved stroke volume (plot # 2) b. A lower resting and peak HR after sinus rhythm conversion (plot # 2) c. A higher ventilation after ECV (plot # 1) d. A somewhat different response in the respiratory quotient (RER, plot # 8) e. Others Next