BE t mheduca Concepts Help mplete the following statements to assess your unders

Question

BE t mheduca Concepts Help mplete the following statements to assess your understanding of the physiology of the three stages of skeletal m t al choices will be used. Muscle contraction can be studied using solated, single muscle ibers. As opposed to a whole muscle, a single muscle fiber shows When the strength of a stimulus is above a theeshold evel the muscle contracts and then relaxes. This action is caled a and lasts only a fraction of a second perod time between stmulition and intuation of contraction), the period (when the muscle shorlertsl and the al-or-none When the muscle is not alowed to relax completely between somu oocurs The contractions gradually increase in intensity When maxirmal sustained contracton is seached is achieved This stage tatique occurs, and the nuscle reaxes even though ssmudation continues Reset

Explanation / Answer

Answer: all-or-none

Answer: muscle twitch

Answer: latent; contraction; relaxation

Answer: Summation

Answer: tetnus; fatigue

A muscle fiber contracts completely or not which says the all-or-none law. A whole muscle shows degrees of contraction.

Muscle contraction can be studied using isolated single muscle fibers. As opposed to a whole muscle, a single muscle fiber shows _____ contraction.

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