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Questions and Answers
Which of the following is responsible for the regeneration of the action potential in the myelin sheath?
Which of the following is responsible for the regeneration of the action potential in the myelin sheath?
- Glial cells
- Sodium channels
- Oligodendrocytes
- Nodes of Ranvier (correct)
What is the main function of the sodium-potassium pumps in the neuron?
What is the main function of the sodium-potassium pumps in the neuron?
- To maintain the myelin sheath
- To regulate neurotransmitter release
- To restore the resting potential (correct)
- To generate the action potential
What happens during the refractory period of a neuron?
What happens during the refractory period of a neuron?
- Neurons fire at a higher rate
- Neurons fire in both directions
- Neurons release more neurotransmitters
- Neurons cannot fire (correct)
What is the role of the myelin sheath in neural communication?
What is the role of the myelin sheath in neural communication?
Which ions are important for the resting membrane potential of a neuron?
Which ions are important for the resting membrane potential of a neuron?
What is the main function of the voltage-gated ion channels in a neuron?
What is the main function of the voltage-gated ion channels in a neuron?
What is the main cause of Multiple Sclerosis?
What is the main cause of Multiple Sclerosis?
Which cells are responsible for myelinating neurons in the central nervous system?
Which cells are responsible for myelinating neurons in the central nervous system?
What is the main function of myelin in neurons?
What is the main function of myelin in neurons?
What is the role of EPSP in neuronal communication?
What is the role of EPSP in neuronal communication?
What is the main way that neurons communicate with each other?
What is the main way that neurons communicate with each other?
What triggers the release of neurotransmitters into the synaptic cleft?
What triggers the release of neurotransmitters into the synaptic cleft?
How are unbound neurotransmitters cleared from the synapse?
How are unbound neurotransmitters cleared from the synapse?
Which cells release neurotransmitters through exocytosis upon action potential?
Which cells release neurotransmitters through exocytosis upon action potential?
What effect do serotonin reuptake inhibitors have on serotonin levels in the synaptic cleft?
What effect do serotonin reuptake inhibitors have on serotonin levels in the synaptic cleft?
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