Question 1: Do you see any type of response on the oscilloscope screen?
Question 2: Illustrate the threshold voltage or the voltage at which you first saw an action potential?
Question 3: How does this tracing compare to the one which was produced at the threshold voltage?
Question 4: What reason can you give for the change?
Question 5: Whenever the glass rod is touching the nerve, what do you see on the oscilloscope screen?
Question 6: How does this tracing compare with other tracings you have produced?
Question 7: What occurs when the heated rod touches the nerve?
Question 8: How does this trace contrast to the trace that was produced with the unheated glass bar?
Question 9: What description can you provide for this?