On an electrocardiogram (EKG), the P wave represents which of the following? A) Atrial
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depolarization B) Ventricular depolarization C) Atrial repolarization D) Ventricular repolarization
Select all that apply. Which lab values are incorrect? A. Na+ 135-145 B. K+ 2.3-2.9 C. Mg 1.8-2.4 D. Calcium 2-3
What electrolyte, if too high or low, can cause cardiac arrhythmias? A. Mg B. Na+ C. K+
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