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Respiratory Therapist

Category - Patient Evaluations and Recommendations

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On an ECG monitor, which of the leads is black?

Left arm (LA)
Right arm (RA)
Right leg (RL)
Left leg (LL)

Explanation

Answer: A - The left arm (LA) lead is black on an ECG monitor.

The lead for the left arm is black. The right arm lead is white. The left leg lead is green. The right leg lead is red.

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