In Order to Produce a Depolarization or Hyperpolarization of the Postsynaptic

question 119

Multiple Choice

In order to produce a depolarization or hyperpolarization of the postsynaptic membrane, neurotransmitters

• A) diffuse widely in the brain to exert changes in metabolism.
• B) act through ionotropic receptors to activate a second-messenger.
• C) are released into the synapse from the cisternae.
• D) open ion channels in the postsynaptic membrane.
• E) alter ion channel activity for minutes.

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