Q.

The ground electrode is usually positioned over which body structures?

A. bony
B. hairy
C. fleshy
D. sweaty
Answer» A. bony
Explanation: The ground electrode is usually positioned over bony structures rather than over large muscle masses, in the vicinity of the recording and stimulating electrodes, and where possible, equidistant from them. Hairy areas don’t transmit proper signals. It increases impedance of the skin.
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