1. While observing a patient’s cardiac monitor, you notice a progressing PR interval until such time that a QRS is dropped. This is considered to be: a. Third-degree block b. Atrial fibrillation c....

1. While observing a patient’s cardiac monitor, you notice a progressing PR interval until such time that a QRS is dropped. This is considered to be:

a. Third-degree block

b. Atrial fibrillation

c. Second-degree AV block, Mobitz type I

d. Second-degree AV block, Mobitz type II

2. Artifact can mimic certain lethal dysrhythmias and is defined as EKG waveforms produced from sources outside the heart.

a. True b. False