1. In the electrocardiograph, Lead II is most commonly used in the prehospital arena because it: a. Is easier to apply                         c. Illustrates good P waves b. Shows good T waves...

1. In the electrocardiograph, Lead II is most commonly used in the prehospital arena because it:

a. Is easier to apply                         c. Illustrates good P waves

b. Shows good T waves                                 d. Is faster to apply

2. Cardiac cells have four primary cell characteristics. One of these properties is the ability of certain cardiac cells to initiate excitation impulses spontaneously and is called:

a. Automaticity                 c. Conductivity

b. Contractility                   d. Excitability