Question Please answer the following multiple choice question (only 1 answer is correct) Question Title * 1. What is the most likely reason for the drop in oxygen uptake at the end of the exercise test? a) exercise-induced worsening of mitral regurgitation after repair b) myocardial ischemia c) an artifact due to leakage of the mask d) a decreased filling time of the ventricles e) diastolic dysfunction To see the correct answer and discussion, please click next. Next