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In a recording of a muscle twitch, the delay between the time a stimulus is applied and the time the muscle responds is called the _______________.
motor neuron endings
True
latent period
contracts more slowly and relaxes more slowly
all of the choices are correct
one motor neuron and several muscle fibers
lack of ATP increased membrane permeability to calcium ions
True
The minimal strength of stimulation needed to elicit a muscle contraction is called the threshold stimulus.
motor neuron endings
True
latent period
contracts more slowly and relaxes more slowly
all of the choices are correct
one motor neuron and several muscle fibers
lack of ATP increased membrane permeability to calcium ions
True
Endomysium separates individual muscle fibers from each other.
motor neuron endings
True
latent period
contracts more slowly and relaxes more slowly
all of the choices are correct
one motor neuron and several muscle fibers
lack of ATP increased membrane permeability to calcium ions
True
Functions of muscle include ___________.
motor neuron endings
True
latent period
contracts more slowly and relaxes more slowly
all of the choices are correct
one motor neuron and several muscle fibers
lack of ATP increased membrane permeability to calcium ions
True
A motor unit typically includes _____________.
motor neuron endings
True
latent period
contracts more slowly and relaxes more slowly
all of the choices are correct
one motor neuron and several muscle fibers
lack of ATP increased membrane permeability to calcium ions
True
Compared to skeletal muscle, smooth muscle ________.
motor neuron endings
True
latent period
contracts more slowly and relaxes more slowly
all of the choices are correct
one motor neuron and several muscle fibers
lack of ATP increased membrane permeability to calcium ions
True
Neurotransmitter molecules are stored in vesicles within ___________.
motor neuron endings
True
latent period
contracts more slowly and relaxes more slowly
all of the choices are correct
one motor neuron and several muscle fibers
lack of ATP increased membrane permeability to calcium ions
True
Rigor mortis that occurs in skeletal muscles a few hours after death is due to ________.
motor neuron endings
True
latent period
contracts more slowly and relaxes more slowly
all of the choices are correct
one motor neuron and several muscle fibers
lack of ATP increased membrane permeability to calcium ions
True
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