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Questions and Answers
What is the role of nitric oxide released by neurons?
What is the role of nitric oxide released by neurons?
- Breaks down neurotransmitters at the synapse
- Inhibits blood flow to the brain
- Acts as a neurotransmitter to stimulate the postsynaptic neuron (correct)
- Causes contraction of blood vessels near the brain
Where are most neurotransmitters synthesized before release?
Where are most neurotransmitters synthesized before release?
- Dendrites
- Presynaptic terminal (correct)
- Neuromuscular junction
- Postsynaptic terminal
Which of the following is NOT a monoamine neurotransmitter?
Which of the following is NOT a monoamine neurotransmitter?
- Dopamine
- Serotonin
- GABA (correct)
- Norepinephrine
Which amino acid serves as a precursor to serotonin?
Which amino acid serves as a precursor to serotonin?
What is the main function of transmitter-gated channels?
What is the main function of transmitter-gated channels?
Which neurotransmitter is categorized as a neuropeptide?
Which neurotransmitter is categorized as a neuropeptide?
What is the primary function of the MAO enzyme in neurons?
What is the primary function of the MAO enzyme in neurons?
Which of the following best describes the process of exocytosis?
Which of the following best describes the process of exocytosis?
What are ionotropic effects in the context of neurotransmission?
What are ionotropic effects in the context of neurotransmission?
Which type of channels are involved in transmitter-gated or ligand-gated channels?
Which type of channels are involved in transmitter-gated or ligand-gated channels?
Which neurotransmitter is primarily involved in excitatory ionotropic synapses in the brain?
Which neurotransmitter is primarily involved in excitatory ionotropic synapses in the brain?
Which of the following neurotransmitters is primarily involved in inhibitory ionotropic synapses in the spinal cord?
Which of the following neurotransmitters is primarily involved in inhibitory ionotropic synapses in the spinal cord?
What is the primary function of the enzyme monoamine oxidase (MAO)?
What is the primary function of the enzyme monoamine oxidase (MAO)?
Which of the following best describes the process of neurotransmitter release and diffusion?
Which of the following best describes the process of neurotransmitter release and diffusion?
Which of the following neurotransmitters is primarily responsible for ionotropic effects?
Which of the following neurotransmitters is primarily responsible for ionotropic effects?
What type of receptors do transmitter-gated channels belong to?
What type of receptors do transmitter-gated channels belong to?
Which of the following neurotransmitters is primarily inhibitory in the central nervous system?
Which of the following neurotransmitters is primarily inhibitory in the central nervous system?
What is the primary function of glycine in the central nervous system?
What is the primary function of glycine in the central nervous system?
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