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Spring 2006 Final Exam Neurophysiology Questions (PGY 300)

Spring 2006 Final Exam Neurophysiology Questions (PGY 300)...

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Spring 2006 Final Exam Neurophysiology Questions 1. A channel that permits the movement of an ion such as sodium(Na + ) from outside the cell to inside the cell is: a) A lipid in the membrane b) Cholesterol in the lipid membrane c) A G-protein receptor d) A membrane spanning protein e) A carbohydrate 2. The Na-K ATPase is an example of what type of carrier? 3. Parkinson’s disease is associated with the loss of neurons containing what neurotransmitter? 4. Which of the following is an important factor that increases the speed of nerve conduction? 5. The depolarizing portion of the action potential is due to which of the above: a) inactivation of the sodium channel b) activation of the sodium channel c) activation of a chloride channel d) activation of potassium channels e) inactivation of potassium channels
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