1. When a neuron is not generating an action potential, its membrane (the neurolemma) has a resting membrane potential. During rest, are gated Na+ and K+ channels (open? closed?)___________________________________.2. Only cells with “excitable membranes” can create action potentials. The two types of cells in the body that can do this are?___________________________________ and ___________________________________.3. Which event pushes a membrane further away from being able to generate another action potential: (hyperpolarization/depolarization /repolarization)?___________________________________.4. Short-lived, localized changes in polarity in the membrane of a neuron are called?___________________________________.5. During depolarization, which channels are open , Na+ or K+?___________________________________.
1. When a neuron is not generating an action potential, its membrane (the neurolemma) has a resting membrane potential. During rest, are gated Na+ and K+ channels (open? closed?)
___________________________________.
2. Only cells with “excitable membranes” can create action potentials. The two types of cells in the body that can do this are?
___________________________________ and ___________________________________.
3. Which event pushes a membrane further away from being able to generate another action potential: (hyperpolarization/depolarization /repolarization)?
___________________________________.
4. Short-lived, localized changes in polarity in the membrane of a neuron are called?
___________________________________.
5. During depolarization, which channels are open , Na+ or K+?
___________________________________.
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