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An EMG measures:

Explain the reason for this difference in amplitude.

You have a muscle attached to a transducer on one end with a 2.0g weight attached to the other end.  The active force generated by the muscle is 1.82g. Do you expect the muscle to shorten?

Using the same figure, what is the name of the event labeled “C”?

Lidocaine inhibits action potentials. Explain its mechanism of action.

What effect does increasing extracellular concentration of K+ have on the resting membrane potential?

Explain why you picked that temperature.

In an attempt to diagnose a patient’s deafness, you strike a tuning fork and place it on the midsaggital line of the head.  The patient describes that they can hear the tuning fork better through their affected ear.  What type of deafness does this patient have? 

The following questions pertain to the EEG lab.

When a subject is asked to perform a mental activity, the synchronicity of EEG waves: