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Which of the following is written as a null hypothesis?

Explain why the patient would be able to hear better through the deaf ear and not the healthy ear.

The following questions pertain to the Glycerinated Muscle/Reflexes lab.

Why did we adapt to have different sleep levels?

In the hyperventilation activity in the EEG lab, when the subject is recovering from hyperventilation, the synchronicity of brain waves:

You stimulated the frog gastrocnemius muscle with varying voltages. Increasing the stimulus voltage caused the force of contraction to:

You stimulate a sensory receptor at different intensities. As stimulus intensity increases, receptor potential amplitude:

In the EMG lab, you measured the amplitude of the EMG tracing while the wrist was flexing.  The amplitude of the tracing while holding a heavy weight is _____ than the tracing when no weight was held. 

When a subject is NOT mentally active, the synchronicity of EEG waves:

You added three solutions to glycerinated muscle to observe muscle contraction.  Which of the three solutions caused the strongest muscle contraction?