A skeletal muscle twitch differs from a tetanic contraction in that ________.
A) the tetanic contraction is considered abnormal, while the twitch is a normal muscle response
B) the tetanic contraction is caused by a single stimulus, while the twitch is caused by very rapid multiple stimuli
C) the muscle twitch is prolonged and continuous while a tetanic contraction is brief and "jerky"
D) the muscle twitch occurs only in small muscles while a tetanic contraction occurs in large muscle groups
E) the muscle twitch is a brief and "jerky" movement, while the tetanic contraction is prolonged and continuous

Question

Quizplus · Accepted Answer

A muscle twitch is a brief and "jerky" movement caused by a single stimulus, while a tetanic contraction is a prolonged and continuous contraction caused by a rapid series of multiple stimuli. Therefore, option E is the correct answer. The other options are incorrect because they either contain false information or are irrelevant to the question.

A Skeletal Muscle Twitch Differs from a Tetanic Contraction in That