D ezto omel My Sac Statea Google Docs @ SACCT Canvas Sacrament. ?cous4ONLINE Res

Question

D ezto omel My Sac Statea Google Docs @ SACCT Canvas Sacrament. ?cous4ONLINE Research MBiology McGraw-L1Goog Methods keterences eBook&Hesources; Section: 24.03 0 57 points Select all of the following that are true about a neuron's function An action potential occurs if the membrane potential exceeds the threshold potentisl ? A neuron expends no energy while it maintains a resting potental. When the neuron receives a simulus, sodium ions begin to rush out of the axon ? When threshold potentials reached sodum channels all along the aion open up at once ? An axon maintains a positive charge during rest During the peak of an action potential, more sodium lons are found inside the axon than when it is at restsing potential During an action potential in one section of an ason, sodium channels first open, then delayed potassium channels open and sodium channels close. References eBook & Resources Check All That Apply Section: 24.03 2 3 4

Explanation / Answer

An action potential occurs if the membrane potential exceeds the threshold potential TRUE

A neuron expends no energy while it maintains a resting potential TRUE

When the neuron receives a stimulus, sodium ions begin to rush out of the axon FALSE

When threshold potential is reached, sodium channels all along the axon open up at once TRUE

An axon maintains a positive charge during rest FALSE

During the peak of an action potential, more sodium ions are found inside the axon then when it is at resting potential TRUE

During an action potential in one section of an axon, sodium channels first open, then delayed potassium channels open and sodium channel closes. TRUE

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