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It’s Like Pulling Teeth by Phil Stephens

Part III—The Chemical Synapse


Halothane does not change motor neuron function; perhaps it affected the neuromuscular junction. Complete the following flow diagram by filling in the blanks:

Diagram 2

Discuss each of the above six stages to see whether halothane could alter synaptic function and cause a single action potential in a motor axon to produce strong and prolonged contractions of the muscle fibers it supplies.

Go to Part IV—“The Muscle”


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