When a Neurotransmitter Molecule Binds Briefly with a Receptor Site

question 278

Multiple Choice

When a neurotransmitter molecule binds briefly with a receptor site, changes occur in the receiving neuron's charge. If there is a voltage shift in a positive direction, then the effect is:

• A) a decreased probability that the receiving neuron will fire.
• B) an excitatory effect.
• C) an inhibitory effect.
• D) a decreased probability that the neurons are densely connected.

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