IBHRE Exam with Questions and Answers

IBHRE Exam with Questions and Answers A function of pacemaker circuitry that allows the pacemaker output pulse to be dissipated quickly maximizing both the output and sensing capabilities. a) circuit resistors b) charge dump c) pulse neutralizer d) current consumption ANSWER B. Charge Dump AV sequentially paced patients with frequent ventricular ectopy should have the following pacemaker parameters programmed to decrease the chance of competition: a) short blanking period b) slower base rate c) increased ventricular refractory period d) none of the above ANSWER A. Short Blanking Period Low threshold electrode materials include each of the following EXCEPT: a) iridium oxide b) elgiloy c) platinized platinum d) titanium nitride ANSWER B. Elgiloy