Placing Neurons and Their Synaptic Contacts into a Medium Containing

question 87

Multiple Choice

Placing neurons and their synaptic contacts into a medium containing no calcium ions would be expected to

• A) decrease the time required to move sodium ions out of the axon terminal.
• B) enhance the voltage changes associated with the action potential.
• C) increase the number of transmitter molecules released from the axon terminal.
• D) prolong the refractory period of the action potential.
• E) prevent the release of neurotransmitter into the synapse.

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