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Test Questions 5-9 - Course # 317-10

Question #5

Which feature is most closely associated with all pacemaker rhythms?

A. Wide & bizarre QRS complexes
B. PR interval measuring greater than 0.20 seconds
C. Pacing spikes
D. Inverted P waves




Question #6

Undersensing refers to which of the following?

A. the generator is unable to deliver a sufficient amount of energy to cause depolarization.
B. the device delivers an electrical impulse of sufficient strength to result in depolarization.
C. the device interprets non-cardiac sources of energy as being cardiac. This results in the device not turning on when it should.
D. a device that doesn’t know when to turn off.




Question #7

Loss of Capture refers to which of the following?

A. the generator is unable to deliver a sufficient amount of energy to cause depolarization.
B. the device delivers an electrical impulse of sufficient strength to result in depolarization.
C. the device interprets non-cardiac sources of energy as being cardiac. This results in the device not turning on when it should.
D. a device that doesn’t know when to turn off.




Question #8

Oversensing refers to which of the following?

A. the generator is unable to deliver a sufficient amount of energy to cause depolarization.
B. the device delivers an electrical impulse of sufficient strength to result in depolarization
C. the device interprets non-cardiac sources of energy as being cardiac. This results in the device not turning on when it should.
D. a device that doesn’t know when to turn off.




Question #9

Capture refers to which of the following?

A. the generator is unable to deliver a sufficient amount of energy to cause depolarization
B. the device delivers an electrical impulse of sufficient strength to result in depolarization
C. the device interprets non-cardiac sources of energy as being cardiac. This results in the device not turning on when it should.
D. a device that doesn’t know when to turn off







317 Test Questions 5-9 - Course # 317-10