During an action potential,which happens first?
A) opening of voltage-gated Na⁺ channels
B) closing of voltage-gated Na⁺ channels
C) opening of voltage-gated K⁺ channels
D) closing of voltage gated K⁺ channels
Correct Answer:
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Q2: Why are nongated channels important in the
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A)oligodendrocytes
B)Schwann cells
C)astrocytes
D)Schwann cells and
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Q9: Action potentials:
A)vary in intensity
B)vary in frequency and
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A)pulses of ion flow along
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