Podcast
Questions and Answers
Which ion is responsible for the resting membrane potential (RMP) of -70mV?
Which ion is responsible for the resting membrane potential (RMP) of -70mV?
- Ca2+
- K+ (correct)
- Na+
- Cl-
At what voltage do voltage-gated channels open?
At what voltage do voltage-gated channels open?
- -70mV
- -40mV (correct)
- 40mV
- 0mV
What happens when an action potential (AP) arrives at the synaptic terminal?
What happens when an action potential (AP) arrives at the synaptic terminal?
- Voltage-gated Na+ channels open
- Voltage-gated Ca2+ channels close
- Voltage-gated Ca2+ channels open (correct)
- Voltage-gated K+ channels open
What is the purpose of neurotransmitters (NT) in the synapse?
What is the purpose of neurotransmitters (NT) in the synapse?
Which types of receptors are considered classical neurotransmitters?
Which types of receptors are considered classical neurotransmitters?
What is the main factor that determines the frequency of action potentials (APs)?
What is the main factor that determines the frequency of action potentials (APs)?
Which type of receptor is classified as a ligand-gated receptor?
Which type of receptor is classified as a ligand-gated receptor?
What is the definition of a classical neurotransmitter?
What is the definition of a classical neurotransmitter?
Which type of neurotransmitter acts as a fast-acting neurotransmitter in the central nervous system (CNS)?
Which type of neurotransmitter acts as a fast-acting neurotransmitter in the central nervous system (CNS)?
What is the main role of voltage-gated calcium (Ca2+) channels in the synaptic terminal?
What is the main role of voltage-gated calcium (Ca2+) channels in the synaptic terminal?
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