1. The coronary sinus, also referred to as the Great Cardiac vein, which opens into the right atrium, allows venous return from the: a. Azygos             c. Myocardium b. Pleura              d....

1. The coronary sinus, also referred to as the Great Cardiac vein, which opens into the right atrium, allows venous return from the:

a. Azygos             c. Myocardium

b. Pleura              d. Endocardium

2. The sawtooth pattern is indicative of which rhythm?

a. Atrial fibrillation           c. Ventricular flutter

b. Atrial asystole               d. Atrial flutter