NEET 2016 Biology question

Lack of relaxation between successive stimuli in sustained muscle contraction is known as:

(1)Spasm
(2)Fatigue
(3)TetanusCorrect
(4)Tonus

Answer: (3)

Solution

When a muscle receives repeated stimuli in quick succession, so that it has no time to relax between them, the contractions fuse into a sustained contraction called tetanus. Hence option (3). Spasm is a sudden involuntary muscle

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Question ID VK-091971