ANSWERS
the normal oxygen saturations for a healthy adult is - ans-94-100%
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in junctional dysrhythmias the P wave may - ans-all of the above
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the normal PR interval is - ans-0.12 - 0.20 secs
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first degree Av block is characterized by - ans-A PR interval of greater than 0.20 seconds
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the QRS complex in the cardiac cycle represents - ans-ventricular depolarization
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second degree Av block type 1 is characterized as having all of the following characteristics
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EXPECT - ans-R - R intervals are regular
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P wave in the cardiac cycle - ans-atrial depolarization
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the T wave in cardiac cycle depolarization - ans-ventricular repolarization
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the rate of SVT/Artial tachycardia PAT - ans-> 150 bpm
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premature ventricular contractions - ans-may lead to more server dysthymias
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second degree AV block type 2 is characterized by - ans-
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consistent PR intervals with dropped QRS complex xz xz xz xz xz xz
choose the correct firing rate for SA node and AV node and the ventricular - ans-
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SA node is rate 60 - 100npm, AV node rae 40 - 60bpm, ventricular rate 20 - 40 bpm
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the normal respiration for an adult - ans-12 - 16 reservation per minute
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third degree Av block is characterized by - ans-
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no relationship between P waves and QRS complexes
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sinus arrhythmia is related to - ans-Respiration
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rapid, repeated, ectopic firing of the ventricular, rate typically 150 - 250 bpm - ans-
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ventricular tachycardia xz
many ectopic areas in the atrium that fire at a rate greater than 350 bpm with no distinct P w
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aves - ans-atrial fibrillation
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