Which of the following are true for excitatory neurotransmitters?
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They open chloride channels on the postsynaptic membrane.; |
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They open sodium channels on the postsynaptic membrane.; |
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They induce threshold depolarization across the postsynaptic membrane.; |
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They induce chloride ion influx through the postsynaptic membrane.; |
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Alternatives a, c, and d are correct.; |
INCORRECT - Inhibitory, not excitatory, neurotransmitters open chloride ion channels and induce chloride ion influx. In addition, excitatory neurotransmitters induce subthreshold, not threshold, depolarization.
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