Which of the following will respond to a threshold stimulus with an all-or-none contraction?Multiple ChoiceA single muscle fiberA single muscle fiber and a single motor unitA whole muscleA single motor unitA single muscle fiber, a single motor unit, and a whole muscle

Multiple Choice QuestionWhat does the all-or-none law of muscle contraction state?Multiple choice question.Muscle fibers will contract completely or not at all.Muscle fibers will contract all the time, regardless of stimulus threshold.Muscle fibers will never contract unless willed to do so.Muscle fibers will contract without stimuli.

All of the muscle fibers innervated by a single nerve fiber constitute a Blank______.Multiple choice question.neuromuscular junctionfascicletendonmotor unit

Multiple Choice QuestionWhich of the following demonstrates the graded response of whole muscle?Multiple choice question.A muscle will either contract all at once or not at all.Muscles are organized into antagonistic pairs within the body.The amount of force produced by any given muscle is always the same as long as threshold has been reached.The force generated to lift a feather is much less than the force required to lift a 25-pound weight.

Whole muscles respond to stimuli in a(n) Blank______ fashion.Multiple choice question.tetanusgradedthresholdall or none

A motor neuron controls several Blank______.Multiple choice question.one muscle fiberseveral musclesone muscleseveral muscle fibers