Neuron X Makes Inhibitory Axon-Axon Synaptic Contact with Neuron Y

question 40

Multiple Choice

Neuron X makes inhibitory axon-axon synaptic contact with neuron Y at the synapse of Y and neuron Z. Which will occur when action potentials are stimulated in neuron X?

• A) Neuron Y will be inhibited from reaching the threshold to fire an action potential.
• B) The release of neurotransmitter by neuron Y will be inhibited.
• C) The synapse between neurons Y and Z will be changed from an excitatory synapse to an inhibitory one.
• D) Neurons Y and Z will both be more likely to reach threshold and fire an action potential.
• E) Neurons Y and Z will both be less likely to reach threshold and fire an action potential.

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