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It’s Like Pulling Teeth by Phil Stephens

Part II—The Motor Neuron


Halothane clearly had an effect on Mr. Thompson’s voluntary motor system. During this case study you will determine the location of this effect by looking at the normal function of motor nerves, chemical synapses, and the muscles. You will determine how halothane could act to produce strong and prolonged muscle contractions.

Complete the following flow diagram by filling in the blanks:

Diagram 1

Discuss each of the four stages to see whether halothane could alter motor neuron function to produce strong muscle contractions.

Go to Part III—“The Chemical Synapse”


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