Chapter 5. Rhythm Strip Interpretation real

Multiple Choice Questions


1. What medical conditions place pressure on the atria, causing atrial dysrhythmias to
occur?
A. Renal conditions, hypertension, thrombus
B. Myocardial infarction, valvular problems, neurological influences
C. Cerebrovascular accident, pulmonary embolism, neurological influences D. Valvular
problems, palpitations, angina



2. What kind of impulse that can occur in either the right or left atrium causes
atrial dysrhythmias? A. Extrinsic
B. Augmented
C. Ectopic
D. Inferior



3. In a premature atrial complex (PAC), the P wave may be biphasic. This means:
A. The waveform has an equally positive and negative deflection on the ECG tracing
B. The P wave is hidden within the T wave
C. Every third complex is a premature beat
D. A changing P wave configuration with at least three variations in one lead



4. A pattern in which every third complex is a premature beat is referred to as:
A. Bigeminy
B. Quadgeminy
C. Trigeminy
D. Triphasic



5. Which atrial dysrhythmia has a cardiac complex that occurs too soon, has a positively
deflected P wave, and other than being early, has no other abnormal features?
A. Atrial flutter

,B. Atrial fibrillation
C. Wandering atrial pacemaker (WAP)
D. Premature atrial complexes (PAC)


6. A cardiac cell or group of cells that functions as an ectopic beat is known as a:
A. Focus
B. Fusion
C. Flutter
D. Fascicle



7. How many different P wave configurations in the same lead indicate a wandering atrial
pacemaker (WAP)?
A. Two
B. Three
C. Four
D. None



8. WAP is a normal finding in children, older adults, and well-conditioned athletes. It may
also be found in patients with:
A. Congestive heart failure and hypertension
B. Cardiovascular disease and metabolic disorder
C. Neurological disorders and renal insufficiency
D. Organic heart disease and drug toxicity




9. Identify the following rhythm:
A. Premature atrial complexes
B. Wandering atrial pacemaker
C. Multifocal atrial tachycardia
D. Atrial flutter

,10. Multifocal atrial tachycardia (MAT) is sometimes confused with which of the following
dysrhythmias? A. Atrial fibrillation
B. Atrial flutter
C. Wandering atrial pacemaker (WAP)
D. Premature atrial complexes



11. What is the rate of wandering atrial pacemaker rhythm (WAP)?
A. 60 to 100 beats per minute
B. 100 to 150 beats per minute
C. 40 to 60 beats per minute
D. Greater than 150 beats per minute



12. What is unique about the P wave in multifocal atrial tachycardia? A.
It always has the same configuration and shape.
B. It has three different configurations in the same lead.
C. It is positively deflected.
D. It changes from beat to beat.



13. What is the rate of multifocal atrial tachycardia (MAT) rhythm?
A. 60 to 100 beats per minute
B. 101 to 150 beats per minute
C. 150 to 300 beats per minute
D. Greater than 300 beats per minute



14. Multifocal atrial tachycardia (MAT) is usually triggered by congestive heart failure (CHF),
acute mitral valve regurgitation, or an acute attack of:
A. Indigestion
B. Coughing
C. Emphysema
D. Gout

, 15. Identify the following rhythm:
A. Wandering atrial pacemaker (WAP)
B. Atrial flutter
C. Atrial fibrillation
D. Multifocal atrial tachycardia (MAT)



16. Which atrial dysrhythmia has capital "F" waves and a classic sawtooth or picket fence
appearance?
A. Multifocal atrial tachycardia
B. Wandering atrial pacemaker
C. Atrial flutter
D. Atrial fibrillation



17. What is the rate of atrial flutter rhythm?
A. 100 to 150 beats per minute
B. 250 to 350 beats per minute
C. 150 to 250 beats per minute
D. 60 to 100 beats per minute



18. What term means the ability of the heart to initiate an electrical impulse without being
stimulated by another or independent source?
A. Automaticity
B. Atrial kick
C. Augmented
D. Asystole




19. Identify the following rhythm:
A. Atrial fibrillation