Ion Channels and Neurotransmission Quiz

What is the role of VSSCs in axonal transmission?

• Allowing potassium to enter the neuron sequentially

• Facilitating the release of neurotransmitters

• Propagating the electrical impulse along the axon

• Regulating the reception of neurotransmitters

What triggers calcium entry at the axon terminal?

• Neurotransmitter release

• Voltage change in the postsynaptic neuron

• Electrical impulse

• Sodium influx

What is the function of ligand-gated ion channels on the dendrites of the postsynaptic neuron?

• Facilitating long-term potentiation

• Receiving released neurotransmitters

• Regulating neurotransmitter release

• Converting electrical impulse into chemical message

What is the unique functional aspect of VSCCs compared to VSSCs?

• Regulation of blood pressure

• Lack of a pore inactivator

• Regulation of neurotransmitter release

• Presence of a pore inactivator

What is the state of a VSSC when the pore inactivator quickly stops ion flow?

• Closed state

• Fast inactivation

• Open and active

• Inactive state

What is the primary clinical application of anticonvulsants targeting VSCCs and VSSCs?

• Regulating blood pressure

• Treating chronic pain

• Modulating neurotransmitter reception

• Facilitating synaptic vesicle release