AACN test Exam Reviewed Questions and Answers Latest 2025/2026 GRADED A

AACN test Exam Reviewed Questions and
Answers Latest 2025/2026 GRADED A


5 lead - CORRECT ANSWER-smoke over fire, clouds over grass, brown in the middle


A fib - CORRECT ANSWER-- P wave is "absent" bc the atria is quivering btw QRS beats
- shaky baseline; P waves look different
- R-R Irregular


A flutter - CORRECT ANSWER-- "saw tooth" waves
- R-R regular


Accelerated idioventricular - CORRECT ANSWER-rate > 40


Accelerated junctional - CORRECT ANSWER-rate > 60


Asystole - CORRECT ANSWER-no electrical activity--flat line


Atrial depolarization is seen where? - CORRECT ANSWER-P wave


Atrial pacemaker fires... - CORRECT ANSWER-before the P wave


Bigeminy - CORRECT ANSWER-PVCs that occur every other beat


Couplet - CORRECT ANSWER-two PVCs together

, Depolarization - CORRECT ANSWER-Absolute
Relative
Vulnerable


Dual chamber AV pacing - CORRECT ANSWER-- 2 spikes--1 before P and 1 before QRS
- DDD
- DDI
- DVI
- VDD


ECG prep - CORRECT ANSWER-alcohol before skin prep


Endocardium - CORRECT ANSWER-inner layer of the heart


Epicardium - CORRECT ANSWER-outer surface of the heart muscle


Failure to capture - CORRECT ANSWER-the pacemaker is firing but no P wave or QRS
complex follows the pacer spike. The impulse is not strong enough to depolarize the
heart (increasing the mA will troubleshoot this problem)


Failure to pace - CORRECT ANSWER-no pacemaker activity, it is not firing. This could
be a sensitivity problem or a mechanical issue


Failure to sense - CORRECT ANSWER-If the pacer spike is in the T wave, it is failure to
sense


First degree - CORRECT ANSWER-- P = QRS
- consistent PRI