Chapter 1 Electrophysiology 1) The inherent rate of the SA node is ________ bpm. A) 30-60 B) 40-60 C) 60-100 D) 100-120 Answer: C Learning Obj.: 1.3 2) The inherent rate of the AV junction is ________ bpm. A) 20-40 B) 40-60 C) 60-100 D) 100-120 Answer: B Learning Obj.: 1.3 3) The inherent rate of the ventricle is ________ bpm. A) 20-40 B) 40-60 C) 60-100 D) 100-120 Answer: A Learning Obj.: 1.3 4) The built-in rate of each of the three major areas of the conduction system is referred to as the ________ rate. A) fast B) heart C) escape D) inherent Answer: D Learning Obj.: 1.3 5) What term is used to refer to the process of electrical discharge and the flow of electrical activity? A) Repolarization B) Depolarization C) Polarization D) Polarized Answer: B