After nervous stimulation stops, what prevents ACh in the synaptic cleft from continuing to stimulate contraction?
A. the tropomyosin blocking the myosin once full contraction is achieved
B. acetylcholinesterase destroying the ACh
C. calcium ions returning to the terminal cisternae
D. the action potential stops going down the overloaded T tubules
Answer:B
After nervous stimulation stops, what prevents ACh in the synaptic cleft from continuing to stimulate contraction?
A. the tropomyosin blocking the myosin once full contraction is achieved B. acetylcholinesterase destroying the ACh C. calcium ions returning to the terminal cisternae D. the action potential stops going down the overloaded T tubules