A Common Feature of Action Potentials Is That They

question 22

Multiple Choice

A common feature of action potentials is that they

• A) cause the membrane to hyperpolarize and then depolarize.
• B) can undergo temporal and spatial summation.
• C) are triggered by a depolarization that reaches threshold.
• D) move at the same speed along all axons.
• E) require the diffusion of Na+ and K+ through ligand-gated channels to propagate.

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