Podcast
Questions and Answers
What is spatial summation?
What is spatial summation?
- The process of releasing a neurotransmitter
- Combining signals that occur at different sites on the neuron's membrane (correct)
- Conduction of an action potential along a myelinated axon
- Combining neural signals that occur at different times at the same synapse
What characterizes the absolute refractory period?
What characterizes the absolute refractory period?
- A period during which it is impossible to elicit another action potential in the same neuron (correct)
- Combining signals that occur at different sites on the neuron's membrane
- Opening and closing of ion channels in response to changes in membrane potential
- Neurotransmitter storage in synaptic vesicles
What are neuropeptides?
What are neuropeptides?
- Combining neural signals that occur at different times at the same synapse
- Proteins stored in synaptic vesicles
- Conduction of an action potential along a myelinated axon
- Amino acid chains comprising 3 to 36 amino acids (correct)
What is exocytosis in the context of neurotransmission?
What is exocytosis in the context of neurotransmission?
What does temporal summation involve?
What does temporal summation involve?
What defines voltage-activated ion channels?
What defines voltage-activated ion channels?
What is the process of adding or combining individual signals into one overall signal called?
What is the process of adding or combining individual signals into one overall signal called?
Which term refers to the integration of signals that occur at different sites on the neuron's membrane?
Which term refers to the integration of signals that occur at different sites on the neuron's membrane?
What defines a brief period (typically 1 to 2 milliseconds) during which it is impossible to elicit another action potential in the same neuron?
What defines a brief period (typically 1 to 2 milliseconds) during which it is impossible to elicit another action potential in the same neuron?
Which of the following refers to the conduction of an action potential along a myelinated axon from one node of Ranvier to the next?
Which of the following refers to the conduction of an action potential along a myelinated axon from one node of Ranvier to the next?
What are small spherical membranes that store neurotransmitter molecules and release them into the synaptic cleft called?
What are small spherical membranes that store neurotransmitter molecules and release them into the synaptic cleft called?
What does neuropeptides refer to?
What does neuropeptides refer to?
