Explain why saltatory conduction speeds up the velocity of action potentials
What will be an ideal response?
Answer: In saltatory conduction, the action potential does not have to depolarize every segment of membrane, only those at the widely separated nodes of Ranvier.
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Several studies of widows document a tendency for some older women to ____ their husbands after their death
a. criticize b. ignore c. sanctify d. imagine
When we repeat a phone number, ____ are activated that recognize and hold the phone number in short-term memory.
A. neuronal nodes B. hierarchical assemblies C. neural assemblies D. cortex networks
In what direction does a local neuron transmit information?
a. through its dendrites to cell body to axon b. through its axon to cell body to dendrites c. only toward the cell body d. equally well in any direction
In order to comfortably retire, individuals should plan to save an amount that is ____ the amount of their final salary
a. eleven times b. equivalent to c. 20 times d. five times