A&P1Test three1.The advantage of having many nuclei in a skeletal muscle fiber is__2.A single motor neuron together with all the muscle fibers it innervates is called___3.At rest, active sites on the actin are blocked by___4.In response to actin potentials arriving the transvers tubules, the sarcoplasmic reticulum releases____5.How would a drug that blocks acetylcholine receptors at the motor end plate affect skeletal muscles? 6.Triggering of the muscle action potential occurs after__7.When Acetylcholine binds to receptors at the motor end plate, the end plate membrane becomes___8.The type of muscle fiber that is most resistant to fatigue is the __ Fiber9.A muscle producing tension that peaks and falls at intermediate stimulus rates is said to be in __10.The rapid rise and fall in force produced by a muscle fiber after a single action potential is__11.
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- muscle tension
