The nurse is preparing a teaching tool for new employees. Which information about the role of neurotransmitters in neurobiology should the nurse include in the tool?
1. There are two classes of neurotransmitters.
2. Each neurotransmitter functions in the same manner.
3. Neurotransmitters and receptors do not vary in their affinity for each other.
4. Neurotransmitters consistently act in either an excitatory or inhibitory manner.
4. Neurotransmitters consistently act in either an excitatory or inhibitory manner.
Explanation: 4. Neurotransmitters consistently have either an excitatory or inhibitory effect on the postsynaptic neuron. Each neurotransmitter functions in a unique manner. There are six classifications of neurotransmitters. Neurotransmitters and receptors vary in their affinity for each other, depending on the neurotransmitter involved.
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