10 free CCT practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
CCT Practice Test 1Tutor mode
Question 1 of 10
Performing Rhythm Analysis
A rhythm strip from a healthy 19-year-old shows a rate varying between 62 and 88 bpm, speeding up with inspiration and slowing with expiration. Every QRS is narrow and preceded by an identical upright P wave with a constant PR of 0.16 sec. What is the rhythm?