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Which of the following statements is true
striated muscle cells are long and cylindrical with many nuclei
when a muscle is unable to respond to stimuli temporarily it is in which of the following periods
the condition characterized by drooping eyelids, muscle weakness. I ti s more common in females
After nervous stimulation stops what prevents ACh in the synaptic cleft from continuing to stimulate contraction?
Acetylcholinesterase destroying the ACh
Immediately following the arrival of the stimulus at a skeletal muscle cell there is a short period called the ____ period during which the vents of excitation-contraction coupling occur
what are ciliated CNS neuroglia that play an active role in moving and producing the cerebrospinal fluid called
Which ion channel opens in response to a change in membrane potential (charge) and participates in the generation and conduction of action potentials
which of the following is not a function of the autonomic nervous system
innervation of the skeletal muscle
which of the choices below describes the ANS
Motor fivers that conduct nerve impulses from the CNS to smooth muscles, cardiac muscle, and glands
The disease where muscle atrophies but actually enlarges due to fat and connective tissue deposits in the muscle. Strikes between 2-10
What is the role of tropomyosin in skeletal muscles
Tropomyosin serves as a contraction inhibitor by blocking the myosin binding sites on the actin molecules
ATP is used in the following stages/functions of muscle contraction except for
to move the neurotransmitter across the synaptic cleft
the giant protein titin maintains the organization of the ______ assisting in muscle stretching
The sliding filament model of contraction involves
Actin and myosin sliding past each other and partially overlapping
That part of the nervous system that is voluntary and conducts impulses from the CNS to the skeletal muscles is the _____ nervous system
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