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← ScienceWhich outcome occurs when a cardiac defibrillator with paddle electrodes positioned asymmetrically generates a pulsed electric potential?
A)Increased skin burn risk near anode✓
B)Homogeneous heart tissue depolarization occurs
C)Uniform current density throughout myocardium
D)Reduced risk of post-shock arrhythmia
💡 Explanation
Increased skin burn risk becomes higher because asymmetrical electrode placement causes localized electric field concentration near the anode, activating joule heating; therefore burns are more likely at the anode, rather than uniform stimulation or decreased arrhythmic potential.
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