What Is TRUE About the Following Intervals: PR 0

Q3: Depolarization is the changing of the cardiac

Q4: The ST segment is located between the<br>A)P

Q5: The P wave represents atrial depolarization.

Q6: In the action potential,phase 0 is<br>A)depolarization.<br>B)plateau.<br>C)rapid repolarization.<br>D)rest.

Q7: Arrhythmias are _ heart rhythms.

Q9: The PR segment is located between the<br>A)P

Q10: After the sinus node initiates an impulse,where

Q11: Refractory means _ to.

Q12: Normal QRS interval is _ seconds or

Q13: On EKG paper,one big block represents<br>A)0.04 sec.<br>B)0.10