When the receptor cells have registered a _____, the energy is converted to an electrochemical impulse.Multiple choice question.thresholdperceptionsensationstimulus

What are the cells that are specialized to produce and conduct electrochemical impulses called?Group of answer choicesdendritesneuronsneurogaliaaxons

An ______ postsynaptic potential involves the opening of sodium channels, depolarizing the membrane, and bringing it closer to a threshold level.Multiple choice question.excitatoryinhibitory

What is produced when depolarization of a cell membrane reaches threshold?Multiple ChoiceA new action potential is produced.Membrane receptors are exposed.The absolute refractory period ends.An existing action potential is stopped.

Which term refers to an event that activates a neuron and begins an action potential?Multiple choice question.StimulusRepolarizationThresholdDepolarization

An inhibitory local potential will make the neuron Blank______ likely to generate a nerve impulse.Multiple choice question.lessmore