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Questions and Answers
What is a single neuron made of?
What is a single neuron made of?
A cell body, branching dendrites, a single axon, and presynaptic terminals
What is the main factor that determines the neuron resting membrane potential? (Select all that apply)
What is the main factor that determines the neuron resting membrane potential? (Select all that apply)
The density of leak potassium channels in the axon membrane is much higher than the density of voltage-gated sodium channels.
The density of leak potassium channels in the axon membrane is much higher than the density of voltage-gated sodium channels.
False (B)
What is the function of voltage-gated sodium channels?
What is the function of voltage-gated sodium channels?
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One way the nervous system can communicate is by means of the frequency and pattern of action potentials.
One way the nervous system can communicate is by means of the frequency and pattern of action potentials.
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What is the main excitatory neurotransmitter in the brain?
What is the main excitatory neurotransmitter in the brain?
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Which of these is NOT a type of ionotropic glutamate receptor?
Which of these is NOT a type of ionotropic glutamate receptor?
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What is the name of the process responsible for the strengthening of synapses?
What is the name of the process responsible for the strengthening of synapses?
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A single action potential is enough to initiate an action potential in the next neuron.
A single action potential is enough to initiate an action potential in the next neuron.
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GABA receptors are exclusively ionotropic.
GABA receptors are exclusively ionotropic.
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What type of receptor is responsible for mediating the effects of second messengers?
What type of receptor is responsible for mediating the effects of second messengers?
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Neuromodulators are directly involved in the fast flow of neural information.
Neuromodulators are directly involved in the fast flow of neural information.
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What are the two brain regions involved in dopamine projections?
What are the two brain regions involved in dopamine projections?
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Antidepressants typically affect dopamine and norepinephrine transmission.
Antidepressants typically affect dopamine and norepinephrine transmission.
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