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NSCA CSCS EXAM REVIEW 2023 WITH 100% VERIFIED ACCURATE ANSWERS
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Which of the following substances regulates muscle actions? potassium calcium troponin tropomyosin - correct answercalcium Which of the following substances acts at the NMJ to excite the muscle fibers of a motor unit? acetylcholine ATP creatine phosphate serotonin - correct answerace...
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