Question 1
If the sinus node, atria, and AV node all fail, the heart rate will be between
◦ 60 to 100 beats per minute.
◦ 40 to 60 beats per minute.
◦ 10 to 20 beats per minute.
◦ 20 to 40 beats per minute.
Question 2
The EKG is a recording of the
◦ heart's electrical activity.
◦ heart's electrical and mechanical activity.
◦ brain's electrical activity.
◦ heart's mechanical activity.