The simple single muscular contraction caused by a single short stimulus is called as
A
Tendon
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B
Twitch
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C
Refractory period
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D
Tetanus
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Solution
The correct option is B Twitch Muscle fibers can only contract and hence shorten. The contraction of the muscle fiber is generally stimulated by an nerve impulse and a single short stimulus is known as a twitch. So, the correct answer is option B.