CCT Practice Test 5

10 free CCT practice questions in the real exam format, covering the official content areas, with an explanation for every answer.

CCT Practice Test 5Tutor mode

Question 1 of 10

Performing Resting ECG (12-Lead, 15-Lead, etc.)

During a resting 12-lead ECG, leads I, II and aVR show a fuzzy, erratic baseline, while lead III is clean. Which electrode should the technician check first?