1. When considering blood return from the systemic and pulmonary circulations, recall that deoxygenated blood enters the heart through the: I. Coronary sinus II. Pulmonary vein III. Superior vena cava...

1. When considering blood return from the systemic and pulmonary circulations, recall that deoxygenated blood enters the heart through the:

I. Coronary sinus

II. Pulmonary vein

III. Superior vena cava

IV. Inferior vena cava

a. 1, 2, and 3

b. 2, 3, and 4

c. 2 and 3 only

d. 1, 3, and 4

2. In EKG strips representing dysrhythmias originating in the AV junction, the P wave, if present, will be inverted or absent.

a. True b. False