1. Cardiac function, both electrical and mechanical, is strongly influenced by electrolyte imbalance. a. True b. False 2. An EKG strip illustrates a regular rhythm, a heart rate of 70 BPM, and QRS...

1. Cardiac function, both electrical and mechanical, is strongly influenced by electrolyte imbalance.

a. True b. False

2. An EKG strip illustrates a regular rhythm, a heart rate of 70 BPM, and QRS complexes that are within normal limits. P waves are variable in configuration across the strip. This rhythm is identified as a:

a. Wandering atrial pacemaker

b. First-degree heart block

c. Third-degree heart block

d. Second-degree heart block, Mobitz I