When applying limb electrodes for a 12-lead EKG, where are the four limb electrodes placed?
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A
On the shoulders and hips
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B
On the right arm (RA), left arm (LA), right leg (RL), and left leg (LL) — on the inner wrists and inner ankles
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C
On the upper arms and upper thighs only
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D
On the fingertips of the right hand and left hand, and the big toes