5. What will be the most possible result when excessive K' ions suddenly accumulate in the T-tubules of
skeletal muscles?
(A) Excitation of motor neurons
(B) Depolarization and contraction of muscle cells without changes in motor neurons
(C) Inhibition of motor neurons
(D) Hyperpolarization and relaxation of muscle cells without changes in motor neurons
阿摩線上測驗
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