Where should be placed the electrodes from Lead #1 when prepping a patient for an ECG?

Where should be placed the electrodes from Lead #1 when prepping a patient for an ECG?
A . Left leg and right leg
B . Left chest and right chest
C . Left hip and right hip
D . Left arm and right arm

Answer: D

Explanation:

All leads for an ECG have specific locations that should be carefully followed. The electrodes for the first lead should be placed on the left and right arms, in a place where there is no thick muscle.