A Recording of the Electrical Activity of a Skeletal Muscle

Question

A recording of the electrical activity of a skeletal muscle is a(n) ________.
A)electrocardiogram
B)electromyogram
C)mamogram
D)mammogram

Accepted Answer

An electromyogram (EMG) is a recording of the electrical activity of a skeletal muscle and is used to diagnose certain neuromuscular disorders. An electrocardiogram (ECG) is a recording of the electrical activity of the heart and is not related to skeletal muscle activity. A mammogram is a type of X-ray used to detect breast cancer and is not related to skeletal muscle activity.