Exam (elaborations)
PHGY 213 – Introductory Physiology Lab 2 FINAL EXAMINATION
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1. What is the origin of the surface electromyogram (EMG)? a) Half-cell potentials. b) Electrical currents flowing through surrounding tissues as muscles are activated. c) Electromagnetic fields generated by unshielded power cords. d) Skin potentials. e) Summed action potentials recorded from ...
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