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Question 1 of 32
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What is the science that deals with the normal functioning and the disorders of the nervous system is called?

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Question 2 of 32
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When a neuron is said to be depolarized:
A.the Na+ is outside and the K+ is inside the membrane.    
B.the Na+ is inside and the K+ is outside the membrane.    
C.the Na+ and K+ are outside the membrane.    
D.The Na+ outside equals the K+ inside.    
E.the Na+ and K+ are inside the membrane.    

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Question 3 of 32
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Neurons conducts impulses completely. This is called the:
A.electrical excitability.    

 B.All or none principle.    
C.refractory period.    
E.hyperpolarization .