Please select the best answer for each question.

1: An ectopic beat that is caused by depression of a normal rhythm center is called ___.

an escape beat
fibrillation
a premature ventricular contraction
artifact

2: Which of the following represent correct lead placement to generate an ECG pattern for Lead III?

+ over R sternum, - over L midaxilla
+ under L pectoral, - under L clavicle
+ over L pectoral, - over R sternum
+ over L pectoral, - over R clavicle

3: Inverted ECG P waves on leads II, III suggest which of the following rhythms?

atrial fibrillation
bundle branch block
ventricular escape beats
junctional rhythm

4: Which of the following correctly apply to paroxysmal atrial tachycardia (PAT)?

It has an abrupt onset
It is caused by irritable ventricular tissue
It is associated with multiple P waves per ventricular beat
All of the above

5: Rhythms that are associated with a normally configured QRS complex include which of the following?

torsades des pointes
bundle branch block
junctional rhythms
ventricular tachycardia

6: The ECG tracing below includes which rhythm?

sinus dysrhythmia
atrial flutter
junctional rhythm
paroxysmal atrial tachycardia

7: The ECG tracing below includes which rhythm?

sinus bradycardia
junctional escape rhythm
third degree heart block
bundle branch block

8: The ECG tracing below includes which rhythm?

sinus dysrhythmia
junctional rhythm
atrial fibrillation
torsades des pointes

9: The ECG tracing below includes which rhythm?

sinus bradycardia
second degree heart block Mobitz 2
second degree heart block Mobitz 1
junctional rhythm

10: The ECG tracing below includes which rhythm?

ventricular tachycardia
junctional rhythm
sinus tachycardia
ventricular fibrillation