Multiple Choice
Tachycardia occurs when
A) the heart rate is less than 60 beats per minute.
B) the heart rate is more than 100 beats per minute.
C) ventricular fibrillation occurs.
D) ectopic beats occur in the atria.
E) Either the heart rate is more than 100 beats per minute or ectopic beats occur in the atria happen when tachycardia occurs.
Correct Answer:

Verified
Correct Answer:
Verified
Q10: Which of these is NOT a characteristic
Q11: Which of these statements concerning the conduction
Q12: Which of the following occurs when the
Q13: The layer of the heart wall that
Q14: The cardiac skeleton<br>A) forms fibrous rings around
Q16: Which of these factors would cause a
Q17: Repolarization of the atria occurs during the
Q18: Depolarization of the ventricles is shown as
Q19: The injection of a calcium channel blocker
Q20: The tricuspid valve<br>A) is the location of