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Questions and Answers
What is the primary function of excitatory neurotransmitters?
What is the primary function of excitatory neurotransmitters?
- To initiate an action potential in the postsynaptic neuron (correct)
- To facilitate the reuptake of neurotransmitters
- To inhibit the transmission of neural impulses
- To decrease the probability of an action potential
What happens to neurotransmitter molecules that do not bind to receptor sites?
What happens to neurotransmitter molecules that do not bind to receptor sites?
- They are broken down in the synaptic gap or reabsorbed by the transmitting neuron (correct)
- They are transported to other neurons
- They are stored in the synaptic vesicles for future use
- They are released into the bloodstream
What is the term for the process by which neurotransmitters are taken back up by the transmitting neuron?
What is the term for the process by which neurotransmitters are taken back up by the transmitting neuron?
- Neurotransmitter release
- Synaptic transmission
- Neurotransmitter breakdown
- Reuptake (correct)
What is the purpose of receptor sites on the dendrites of the receiving neuron?
What is the purpose of receptor sites on the dendrites of the receiving neuron?
What is the result of an inhibitory effect on an action potential?
What is the result of an inhibitory effect on an action potential?
What is the term for the small fluid-filled gap between two neurons?
What is the term for the small fluid-filled gap between two neurons?
Which neurotransmitter plays a crucial role in the regulation of pain, stress, and feelings of pleasure?
Which neurotransmitter plays a crucial role in the regulation of pain, stress, and feelings of pleasure?
What is the main function of GABA in the nervous system?
What is the main function of GABA in the nervous system?
How do medications like Lithium work in treating bipolar disorder?
How do medications like Lithium work in treating bipolar disorder?
What is the primary function of acetylcholine in the nervous system?
What is the primary function of acetylcholine in the nervous system?
What is the primary effect of excessive glutamate release in the brain?
What is the primary effect of excessive glutamate release in the brain?
What is the primary function of dopamine in the nervous system?
What is the primary function of dopamine in the nervous system?
What type of neurotransmitter is serotonin?
What type of neurotransmitter is serotonin?
What is the primary mechanism of action of selective serotonin reuptake inhibitors (SSRIs)?
What is the primary mechanism of action of selective serotonin reuptake inhibitors (SSRIs)?
Which of the following diseases is NOT associated with a serotonin imbalance?
Which of the following diseases is NOT associated with a serotonin imbalance?
What is the typical fate of serotonin after it has transmitted a signal?
What is the typical fate of serotonin after it has transmitted a signal?
What is the effect of extremely low levels of serotonin on behavior?
What is the effect of extremely low levels of serotonin on behavior?
What is the region of the brain where serotonin is concentrated?
What is the region of the brain where serotonin is concentrated?
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