A) The state of muscle fatigue caused by depletion of ATP and accumulation of lactic acid.
B) A stronger contraction resulting from multiple motor unit Summation.
C) The result of wave Summation, which produces a smooth and Sustained contraction of a muscle.
D) The partial sustained contraction of major supporting muscles.
Correct Answer: B
Solution :
When a muscle fibre is stimulated by a rapid succession of many nerve impulses, it remains in a state of sustained contraction. So long as the stimulation continues. When the muscle is in this condition it is said to be in state of Tetanus.
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