Question 1 Question Title * 1. Which of the following features is present on the 12-lead ECG? A. 2:1 second-degree AV block B. Complete (third-degree) AV block C. Mobitz type 1 second-degree atrioventricular (AV) block D. Mobitz type 2 second-degree AV block E.Prominent U-waves secondary to exercise Page1 / 6 17% of survey complete. Next