McqMate
| Q. |
Action potentials: |
| A. | travel along neurons at a set velocity |
| B. | are only seen in neurons |
| C. | are generated initially by action of K+ voltage gated channels |
| D. | result from variation in Na+ and K+ membrane permeability |
| E. | are unidirectional impulses |
| Answer» D. result from variation in Na+ and K+ membrane permeability | |
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