Exam (elaborations)
NSCA CSCS EXAM REVIEW Complete Questions & Answers(Rated A+)
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Which of the following substances regulates muscle actions? potassium calcium troponin tropomyosin - ANSWER calcium Which of the following substances acts at the NMJ to excite the muscle fibers of a motor unit? acetylcholine ATP creatine phosphate serotonin - ANSWER acetylcholine ...
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