ACTUAL Exam Questions and CORRECT
Answers
168. Compared to the the permanent pacemaker, does a temp pacer have constant current or
voltage? Also, how much voltage can it generate? 5V or 20V? - CORRECT ANSWER -
Constant current, 20V. (Doubles 9.5V)
171. Which patient with acute MI is most likely to need a temp pacer?
Inferior MI, Mobitz I AV Bock
Inferior MI, bundle branch block
Anterior MI, Mobitz I AV Bock
Anterior MI, bundle branch block - CORRECT ANSWER - Anterior MI, bundle branch
block
Acute BBB post MI should be seen as a warning and often proceeds CHB. The RCA commonly
supplies blood to the AV node making the impact of an Anterior MI more significant
12. For maximum electrical safety, the ECG monitored patient should be _____________, and
the monitor chassis should be _______________ or non-conductive. (Grounded vs Ungrounded)
- CORRECT ANSWER - Ungrounded, grounded
34. What channel is responsible for the SA and AV node upstroke? - CORRECT
ANSWER - Ca++ Slow Channel
38. How does gender effect SVT frequency for AVNRT and AVRT? - CORRECT
ANSWER - Women twice as likely to get AVNRT, men twice as likely to get AVRT
39. The plateau (phase 2) occurs on the surface ECG during the_________ , and during
mechanical _________________ . - CORRECT ANSWER - QT interval, Systole
, 48. The pause after atrial pacing is termed: - CORRECT ANSWER - Overdrive
suppression
49. Most arrhythmias in the EP lab are caused by?
a. Vagal response
b. Automaticity
c. Triggered
d. Reentry - CORRECT ANSWER - Reentry
50. What mechanism causes "triggered" arrhythmias?
a. Reentry
b. After depolarization
c. Automaticity of the atrial tissue
d. Automaticity of the ventricular tissue - CORRECT ANSWER - After depolarization
(think R on T)
51. What do the terms EAD and DAD stand for and what arrythmias are they associated with? -
CORRECT ANSWER - EAD - Early after deporization, Torsades
DAD - Delayed after depolarization, RVOT VT
55. Which arrhythmia type most closely resembles an "itch of the heart" in acutely ill patients? -
CORRECT ANSWER - Automatic arrhythmias
58. - CORRECT ANSWER -
59.. - CORRECT ANSWER -
60. - CORRECT ANSWER -