Chapter 27 Dysrhythmias and Conduction

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Chapter 27  Dysrhythmias and Conduction

 

 

Complete Chapter Questions And Answers
 

Sample Questions

 

1.
The nurse notes that leads I, II, and III differ from one another on the cardiac rhythm strip because:
A)
The view of the electrical current changes in relation to the lead placement.
B)
Conduction of the heart differs with lead placement.
C)
Electrocardiogram (ECG) equipment has malfunctioned.
D)
The circadian rhythm has changed.

2.
The nurse evaluating a rhythm strip notes that the wave forms that move to the top of the strip indicate:
A)
The heart rate
C)
An isoelectric wave
B)
A negative deflection
D)
A positive deflection

3.
While analyzing a rhythm strip, the nurse identifies the resting state of the heart by looking at the:

A) P wave B) T wave C) U wave D) QRS complex

4.
An adult patient has damage to the electrical conduction of the ventricles of the heart. The nurse would expect to see changes in the:

A) P wave B) T wave C) QRS complex D) U wave

5.
To find the heart rate from an ECG strip of a patient with a normal sinus rhythm, the nurse counts 20 small boxes between two R waves. The heart rate would be:

A) 75 beats/min B) 80 beats/min C) 60 beats/min D) 140 beats/min

 

Answer Key

1.
A
2.
D
3.
B
4.
C
5.
A

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