ANSWERS
The ECG and cardiac monitor measure - ans-The electrical activity of the heart
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During the Contraction phase of the cardiac cycle,the heart: - ans-Pumps blood to the body
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The normal pacemaker of the heart is in the: - ans-Right Atrium
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The normal rate of the pacemaker is: - ans-60-100 beats per a minute
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Ectopic beats may occur if the normal pacemaker falls below: - ans-50 Beats per a minute
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The A-V node can pace the heartbeat at the rate of: - ans-40-60 beats per a minute
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The part of the cardiac cycle that results in a palpable pulse is the: - ans-
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Ventricular contraction xz
The ventricles can pace the heartbeat at a rate of: - ans-20-40 beats per a minute
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The working phase of the cardiac cycle is: - ans-systole
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Each small block on the ECG paper represents: - ans-.04 Seconds
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Each large block on the ECG paper represents : - ans-.20 Seconds
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The P wave represents the: - ans-pacemaker firing
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The normal PR interval is: - ans-.12 to .20 seconds
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The normal conduction time for the QRS complex is: - ans-.06 to .10 seconds.
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The T wave represents the: - ans-Resting Phase
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A condition in which the heart has many different pacemakers within the atria is: - ans-
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atrial fibrilation
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An indication that the pacemaker is in the A-V junction is that the: - ans-
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shape of the P waves is abnormal
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When the patient is having unifocal PVC's, you know that the pacemaker is in: - ans-
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one area of the ventricles
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