When an Action Potential Reaches a Synaptic Terminal at the End

question 58

Multiple Choice

When an action potential reaches a synaptic terminal at the end of presynaptic neurons, _______.

• A) sodium-potassium pumps release sodium into the synaptic cleft
• B) calcium ions enter the synaptic terminal and cause synaptic vesicles to release neurotransmitter into the synaptic cleft
• C) neurotransmitter binds to receptors on the presynaptic neuron
• D) the postsynaptic neuron releases neurotransmitter

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Definitions:

Magnetically Operated

Describes devices or mechanisms that are controlled or actuated through magnetic force or fields, often found in relays and circuit breakers.

Impedance

The combined effect of resistance, inductance, and capacitance on alternating current, expressed in ohms, which inhibits the flow of electricity in a circuit.

Transformer

An electric device that changes one value of AC voltage into another value of AC voltage.

Converter

A device that changes the form of an electrical signal or power source, such as converting AC to DC or vice versa.