Practice Exercise 1-practice mode

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Practice Exercise 1 ( 10 Questions)

Question 1 of 10 :

A nurse is conducting staff education about ECG monitoring. Which statement accurately describes the process.

A Depolarization of the cells in the ventricles produces the T wave on the ECG.

B An abnormal cardiac impulse that arises in the atria, ventricles, or atrioventricular (AV) junction can create a premature beat that is known as an artifact.

C Lead placement for V1 includes one lead each for the right arm, right leg, left arm, and left leg, with the fifth lead on the fourth intercostal space to the right of the sternal border.

D If the sinoatrial (SA) node fails to discharge an impulse or discharges very slowly, a secondary pacemaker in the AV node is able to discharge at a rate of 30 to 40 times per minute.

Practice Test

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