Which of the Following Is a Direct Result of Depolarizing

question 57

Multiple Choice

Which of the following is a direct result of depolarizing the presynaptic membrane of an axon terminal?

• A) Voltage-gated calcium channels in the membrane open.
• B) Synaptic vesicles fuse with the membrane.
• C) The postsynaptic cell produces an action potential.
• D) Ligand-gated channels open, allowing neurotransmitters to enter the synaptic cleft.
• E) An EPSP or IPSP is generated in the postsynaptic cell.

Understand the mechanisms underlying synaptic transmission and the types of synapses.

Learn about the role of the sodium-potassium pump and ion concentration gradients in establishing the resting membrane potential.

Explain the process of depolarization, repolarization, and hyperpolarization in action potentials.

Grasp the significance of ion transporters and ion channels in maintaining neuron function.

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Definitions:

Neural Messages

Electrical and chemical signals that are transmitted by neurons within the nervous system.

Amplitude

The height or intensity of a wave pattern, such as sound waves or electromagnetic waves, indicating the strength or energy of the signal.

Frequency

The number of complete wavelengths that pass a point in a given time (for example, per second).

Intensity

The magnitude or strength of a stimulus or action, often influencing its perceived importance or impact.