Excitatory postsynaptic potential()
A. the postsynaptic neurons are in an excited state
B. generated by an intermediary of interneurons
C. generated by increased K+ conductance of the postsynaptic membrane
D. generated by increased Cl- conductance of the postsynaptic membrane
E. increase with the increase of presynaptic transmitter release
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The key factors affecting the release of neurotransmitters in synaptic transmission is()
A. amplitude of action potential conducted to the end
B. level of presynaptic membrane potential
C. number of mitochondria in the terminal
D. number of vesicles in the terminal
E. the amount of Ca2+ entering the terminal
Which of the following descriptions of classical synapses is correct?()
A. Belongs to non-directional chemical synapses
B. There are no morphological differences in synaptic vesicles containing various transmitters
C. All kinds of transmitters are released in the activation region
D. Activation region is located in the presynaptic membrane corresponding to the postsynaptic membrane receptor
E. All of postsynaptic membrane receptors are chemically gated channels
When needed, glial cells that can convert to macrophages are()
A. astrocytes
B. oligodendrocytes
C. microglia
D. Schwann cells
E. satellite cells
Neurotrophic effects()
A. refer to the influence of the nerve on the functional activities of the dominating tissue
B. achieved by releasing the neurotransmitter or neuromodulator through the nerve endings
C. rely on the regular release of neurotrophic factors
D. can be blocked by continuous application of local anesthetics
E. It is not easy to detect, and it can be clearly displayed after cutting off the nerve
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