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Questions and Answers
What is the resting membrane potential of a neuron that is not transmitting any signal?
What is the resting membrane potential of a neuron that is not transmitting any signal?
- -50 mV
- -60 mV
- -80 mV
- -70 mV (correct)
What happens when a stimulus causes a depolarization in an axon?
What happens when a stimulus causes a depolarization in an axon?
- The closing of voltage-gated membrane ion channels
- The generation of an action potential (correct)
- The opening of all voltage-gated membrane ion channels
- The generation of a resting membrane potential
What is the difference between electrical synapses and chemical synapses?
What is the difference between electrical synapses and chemical synapses?
- Electrical synapses rely on neurotransmitters while chemical synapses rely on electrical current
- Electrical synapses rely on electrical current while chemical synapses rely on neurotransmitters (correct)
- Electrical synapses occur only in unmyelinated axons while chemical synapses occur only in myelinated axons
- Electrical synapses occur only in myelinated axons while chemical synapses occur only in unmyelinated axons
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